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Lignon JS, Pinto DM, Monteiro SG, Martins NS, de Souza JV, Meireles GR, dos Santos TS, Pappen FG, Bruhn FRP. Description of the parasitic fauna of a specimen of Didelphis albiventris at Rio Grande do Sul. Braz J Vet Med 2024; 46:e000524. [PMID: 38577262 PMCID: PMC10994180 DOI: 10.29374/2527-2179.bjvm000524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/20/2024] [Indexed: 04/06/2024] Open
Abstract
Didelphis albiventris is considered the most common marsupial in Rio Grande do Sul. With omnivorous and synanthropic habits, it can serve as a host to various parasites, playing an important role in maintaining their biological cycle. Despite being a widespread and abundant species, it has a relatively little-known parasitic fauna. Therefore, the aim of this study was to report the diversity of parasites in a fecal sample from D. albiventris in Rio Grande do Sul, Southern Brazil. Modified Centrifugal-flotation and Spontaneous sedimentation techniques were used, revealing a high taxonomic diversity of parasites. Eggs of Ancylostoma spp., Toxocara spp., and Anoplocephalidae were reported for the first time in the host in the southern region of the country, along with the first report of pseudoparasitism by Syphacia spp. and Monocystis spp. in this animal species. The presence of different parasites in the feces of D. albiventris is of utmost importance, primarily for public health, but also for understanding the biodiversity of parasites present in wildlife, which has been poorly studied until now. This allows the implementation of effective strategies for controlling, preventing and treating these diseases.
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Affiliation(s)
- Julia Somavilla Lignon
- Veterinarian, Laboratório de Epidemiologia Veterinária, Departamento de Veterinária Preventiva, Universidade Federal de Pelotas (UFPel), Pelotas, RS, Brazil
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Diego Moscarelli Pinto
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Silvia Gonzalez Monteiro
- Veterinarian, Laboratório de Parasitologia Veterinária, Departamento de Microbiologia e Parasitologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Natália Soares Martins
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Julia Victória de Souza
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Giulia Ribeiro Meireles
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Tamires Silva dos Santos
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Felipe Geraldo Pappen
- Veterinarian, Laboratório do Grupo de Estudos em Enfermidades Parasitárias, Departamento de Veterinária Preventiva, UFPel, Pelotas, RS, Brazil
| | - Fábio Raphael Pascoti Bruhn
- Veterinarian, Laboratório de Epidemiologia Veterinária, Departamento de Veterinária Preventiva, Universidade Federal de Pelotas (UFPel), Pelotas, RS, Brazil
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202
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Burroughs RW, Parham JF, Stuart BL, Smits PD, Angielczyk KD. Morphological Species Delimitation in The Western Pond Turtle ( Actinemys): Can Machine Learning Methods Aid in Cryptic Species Identification? Integr Org Biol 2024; 6:obae010. [PMID: 38689939 PMCID: PMC11058871 DOI: 10.1093/iob/obae010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/29/2024] [Indexed: 05/02/2024] Open
Abstract
As the discovery of cryptic species has increased in frequency, there has been an interest in whether geometric morphometric data can detect fine-scale patterns of variation that can be used to morphologically diagnose such species. We used a combination of geometric morphometric data and an ensemble of five supervised machine learning methods (MLMs) to investigate whether plastron shape can differentiate two putative cryptic turtle species, Actinemys marmorata and Actinemys pallida. Actinemys has been the focus of considerable research due to its biogeographic distribution and conservation status. Despite this work, reliable morphological diagnoses for its two species are still lacking. We validated our approach on two datasets, one consisting of eight morphologically disparate emydid species, the other consisting of two subspecies of Trachemys (T. scripta scripta, T. scripta elegans). The validation tests returned near-perfect classification rates, demonstrating that plastron shape is an effective means for distinguishing taxonomic groups of emydids via MLMs. In contrast, the same methods did not return high classification rates for a set of alternative phylogeographic and morphological binning schemes in Actinemys. All classification hypotheses performed poorly relative to the validation datasets and no single hypothesis was unequivocally supported for Actinemys. Two hypotheses had machine learning performance that was marginally better than our remaining hypotheses. In both cases, those hypotheses favored a two-species split between A. marmorata and A. pallida specimens, lending tentative morphological support to the hypothesis of two Actinemys species. However, the machine learning results also underscore that Actinemys as a whole has lower levels of plastral variation than other turtles within Emydidae, but the reason for this morphological conservatism is unclear.
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Affiliation(s)
- R W Burroughs
- Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY 11794, USA
- Center for Inclusive Education, Stony Brook University, Stony Brook, NY 11794, USA
| | - J F Parham
- Department of Geological Sciences, California State University, Fullerton, CA 92834, USA
| | - B L Stuart
- Section of Research and Collections, NC Museum of Natural Sciences, Raleigh, NC 27601, USA
| | - P D Smits
- 952 NW 60th St., Seattle, Washington, WA 98107, USA
| | - K D Angielczyk
- Negaunee Integrative Research Center, Field Museum of Natural History, Chicago, IL 60605, USA
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203
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Buchmann K, Kania PW. Transversotrema hafniensis n. sp. infection in Poecilia reticulata by cercariae released from Melanoides tuberculata in Denmark. Acta Vet Scand 2024; 66:15. [PMID: 38566122 PMCID: PMC10988963 DOI: 10.1186/s13028-024-00736-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 03/22/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Exotic and ornamental fish are highly popular companion animals resulting in a significant transcontinental trade of fish, invertebrates and aquatic plants. A major issue is the diseases associated with these organisms, as they have a major impact on health of the fish in both public and private household aquaria. A secondary issue is the trade with these products, which potentially may expand the distribution area and spread a range of diseases to new habitats. RESULTS We here describe how Poecilia reticulata (guppy), produced in a private household aquarium, were invaded by cercariae of an exotic trematode released by imported Melanoides tuberculata snails. The fish presented with severe clinical signs (tremor, flashing, scraping of body against objects). A standard parasitological examination and morphometric identification showed scale pocket infections with a digenean trematode species within the genus Transversotrema. Molecular identification by PCR, sequencing and phylogenetic analyses of a 2646 bp sequence encoding ribosomal RNA (partial 18 S, ITS1, 5.8 S, ITS2, partial 28 S) was performed. The 1107 bp sequence of mitochondrial DNA (cox1) showed that the parasite differed from previously described Transversotrema species in M. tuberculata. Morphometrics of adult and larval specimens of this isolate also differed from previously described freshwater species within the genus. The new species was described and is named after Copenhagen, for its geographic origin. CONCLUSIONS The genus Transversotrema comprises a range of species, adapted to a microhabitat in scalepockets of teleosts. A combination of morphological and molecular characterization techniques has been shown to provide a good differentiation between species. The fish were not purchased from a pet shop but produced in the home aquarium. This indicated that an infection pressure existed in the aquarium, where the source of infection was found to be exotic intermediate host snails M. tuberculata, which originally were imported and purchased from a pet shop. The potential spread of fish diseases associated with trade of fish and snails to new geographic regions, where climate conditions are favourable, is discussed.
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Affiliation(s)
- Kurt Buchmann
- Department of Veterinary and Animal Sciences, Section of Parasitology and Aquatic Pathobiology, Faculty of Health and Medical Sciences, Stigbøjlen 7, DK-1870, Frederiksberg C, Denmark.
| | - Per Walter Kania
- Department of Veterinary and Animal Sciences, Section of Parasitology and Aquatic Pathobiology, Faculty of Health and Medical Sciences, Stigbøjlen 7, DK-1870, Frederiksberg C, Denmark
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204
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Antoine PO, Wieringa LN, Adnet S, Aguilera O, Bodin SC, Cairns S, Conejeros-Vargas CA, Cornée JJ, Ežerinskis Ž, Fietzke J, Gribenski NO, Grouard S, Hendy A, Hoorn C, Joannes-Boyau R, Langer MR, Luque J, Marivaux L, Moissette P, Nooren K, Quillévéré F, Šapolaitė J, Sciumbata M, Valla PG, Witteveen NH, Casanova A, Clavier S, Bidgrain P, Gallay M, Rhoné M, Heuret A. A Late Pleistocene coastal ecosystem in French Guiana was hyperdiverse relative to today. Proc Natl Acad Sci U S A 2024; 121:e2311597121. [PMID: 38527199 PMCID: PMC10998618 DOI: 10.1073/pnas.2311597121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 02/15/2024] [Indexed: 03/27/2024] Open
Abstract
Warmer temperatures and higher sea level than today characterized the Last Interglacial interval [Pleistocene, 128 to 116 thousand years ago (ka)]. This period is a remarkable deep-time analog for temperature and sea-level conditions as projected for 2100 AD, yet there has been no evidence of fossil assemblages in the equatorial Atlantic. Here, we report foraminifer, metazoan (mollusks, bony fish, bryozoans, decapods, and sharks among others), and plant communities of coastal tropical marine and mangrove affinities, dating precisely from a ca. 130 to 115 ka time interval near the Equator, at Kourou, in French Guiana. These communities include ca. 230 recent species, some being endangered today and/or first recorded as fossils. The hyperdiverse Kourou mollusk assemblage suggests stronger affinities between Guianese and Caribbean coastal waters by the Last Interglacial than today, questioning the structuring role of the Amazon Plume on tropical Western Atlantic communities at the time. Grassland-dominated pollen, phytoliths, and charcoals from younger deposits in the same sections attest to a marine retreat and dryer conditions during the onset of the last glacial (ca. 110 to 50 ka), with a savanna-dominated landscape and episodes of fire. Charcoals from the last millennia suggest human presence in a mosaic of modern-like continental habitats. Our results provide key information about the ecology and biogeography of pristine Pleistocene tropical coastal ecosystems, especially relevant regarding the-widely anthropogenic-ongoing global warming.
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Affiliation(s)
- Pierre-Olivier Antoine
- Equipe de Paléontologie, Institut des Sciences de l’Évolution de Montpellier, Univ Montpellier, CNRS, Institut de Recherche pour le Développement, Montpellier34095, France
| | - Linde N. Wieringa
- Equipe de Paléontologie, Institut des Sciences de l’Évolution de Montpellier, Univ Montpellier, CNRS, Institut de Recherche pour le Développement, Montpellier34095, France
| | - Sylvain Adnet
- Equipe de Paléontologie, Institut des Sciences de l’Évolution de Montpellier, Univ Montpellier, CNRS, Institut de Recherche pour le Développement, Montpellier34095, France
| | - Orangel Aguilera
- Paleoecology and Global Changes Laboratory, Marine Biology Department, Fluminense Federal University, Niterói 24210-201, Rio de Janeiro, Brazil
| | - Stéphanie C. Bodin
- Department of Paleoanthropology, Senckenberg Research Institute, Frankfurt am Main60325, Germany
| | - Stephen Cairns
- Department of Invertebrate Zoology, Smithsonian Institution, National Museum of Natural History, Washington D.C.20013-7012
| | - Carlos A. Conejeros-Vargas
- Departamento de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México04510, México
| | - Jean-Jacques Cornée
- Equipe Dynamique de la Lithosphère, Géosciences Montpellier, Univ Montpellier, CNRS, Montpellier34095, France
| | - Žilvinas Ežerinskis
- Mass Spectrometry Laboratory, Center for Physical Sciences and Technology, Vilnius10257, Lithuania
| | - Jan Fietzke
- Geomar, Helmholtz Centre for Ocean Research Kiel, Kiel24148, Germany
| | - Natacha O. Gribenski
- Institute of Geological Sciences, Oeschger Centre for Climate Change Research, University of Bern, Bern3012, Switzerland
| | - Sandrine Grouard
- Archéozoologie et Archéobotanique—Sociétés, Pratiques et Environnements, CNRS, Muséum National d’Histoire Naturelle, Paris75005, France
| | - Austin Hendy
- Invertebrate Paleontology Department, Natural History Museum of Los Angeles County, Los Angeles, CA90007
| | - Carina Hoorn
- Ecosystem & Landscape Dynamics Department, Institute for Biodiversity and Ecosystem Dynamics, Universiteit van Amsterdam, Amsterdam1098 XH, The Netherlands
| | - Renaud Joannes-Boyau
- Geoarchaeology and Archaeometry Research Group, Southern Cross GeoScience, Southern Cross University, East Lismore, NSW2480, Australia
- Centre for Anthropological Research, University of Johannesburg, Johannesburg2092, South Africa
| | - Martin R. Langer
- Arbeitsgruppe Mikropaläontologie, Institut für Geowissenschaften, Paläontologie, Universität Bonn, Bonn53115, Germany
| | - Javier Luque
- Department of Zoology, Museum of Zoology, University of Cambridge, CambridgeCB2 3EJ, United Kingdom
| | - Laurent Marivaux
- Equipe de Paléontologie, Institut des Sciences de l’Évolution de Montpellier, Univ Montpellier, CNRS, Institut de Recherche pour le Développement, Montpellier34095, France
| | - Pierre Moissette
- Department of Historical Geology-Paleontology, National and Kapodistrian University of Athens, Panepistimiopolis, Zografou, Athens15784, Greece
| | - Kees Nooren
- Ecosystem & Landscape Dynamics Department, Institute for Biodiversity and Ecosystem Dynamics, Universiteit van Amsterdam, Amsterdam1098 XH, The Netherlands
| | - Frédéric Quillévéré
- Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement, Université Claude Bernard Lyon 1, Ecole Normale Supérieure de Lyon, CNRS, VilleurbanneF-69622, France
| | - Justina Šapolaitė
- Mass Spectrometry Laboratory, Center for Physical Sciences and Technology, Vilnius10257, Lithuania
| | - Matteo Sciumbata
- Ecosystem & Landscape Dynamics Department, Institute for Biodiversity and Ecosystem Dynamics, Universiteit van Amsterdam, Amsterdam1098 XH, The Netherlands
- Section Systems Ecology, Amsterdam Institute for Life and Environment, Vrije Universiteit, Amsterdam1081 BT, The Netherlands
| | - Pierre G. Valla
- Equipe Tectonique, Reliefs et Bassins, Institut des Sciences de la Terre, Université Grenoble Alpes, Université Savoie Mont Blanc, CNRS, Université Gustave Eiffel, Grenoble38058, France
| | - Nina H. Witteveen
- Ecosystem & Landscape Dynamics Department, Institute for Biodiversity and Ecosystem Dynamics, Universiteit van Amsterdam, Amsterdam1098 XH, The Netherlands
| | - Alexandre Casanova
- Département Formation et Recherche Sciences et Technologie, Université de Guyane, Cayenne97300, Guyane
| | | | - Philibert Bidgrain
- Département Formation et Recherche Sciences et Technologie, Université de Guyane, Cayenne97300, Guyane
| | | | | | - Arnauld Heuret
- Equipe Dynamique de la Lithosphère, Géosciences Montpellier, Univ Montpellier, CNRS, Montpellier34095, France
- Département Formation et Recherche Sciences et Technologie, Université de Guyane, Cayenne97300, Guyane
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205
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Liang QR, Shi L. The first complete mitochondrial DNA of Tenuidactylus dadunensis (Squamata: Gekkonidae) and its phylogeny. Mitochondrial DNA B Resour 2024; 9:442-446. [PMID: 38586508 PMCID: PMC10993739 DOI: 10.1080/23802359.2024.2333566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 03/15/2024] [Indexed: 04/09/2024] Open
Abstract
The complete mitochondrial DNA (mtDNA) of Tenuidactylus dadunensis (Squamata: Gekkonidae) was described by using next-generation sequencing. The total length of mtDNA was 16,893 bp, which contained 13 PCGs (COX1-3, ND1-6, ND4L, ATP6, ATP8, and CYTB), 22 transfer RNA(tRNA) genes, 2 ribosomal RNA (rRNA) genes, and a control region (D-loop). The Bayesian inference tree showed that T. dadunensis was included in Gekkonidae and was a sister taxon to Cyrtopodion scabrum. The complete mtDNA of T. dadunensis will be an important genetic resource to the studies of conservation and research of geckonids.
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Affiliation(s)
- Qian-Ru Liang
- Xinjiang Key Laboratory for Ecological Adaptation and Evolution of Extreme Environment Biology, College of Life Sciences, Xinjiang Agricultural University, Urumqi, China
| | - Lei Shi
- Xinjiang Key Laboratory for Ecological Adaptation and Evolution of Extreme Environment Biology, College of Life Sciences, Xinjiang Agricultural University, Urumqi, China
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206
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Kim DY, Kim S, Song H, Shin S. Phylogeny and biogeography of the wingless orthopteran family Rhaphidophoridae. Commun Biol 2024; 7:401. [PMID: 38565627 PMCID: PMC10987581 DOI: 10.1038/s42003-024-06068-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 03/19/2024] [Indexed: 04/04/2024] Open
Abstract
Cave crickets (Rhaphidophoridae) are insects of an ancient and wingless lineage within Orthoptera that are distributed worldwide except in Antarctica, and each subfamily has a high level of endemicity. Here, we show the comprehensive phylogeny of cave crickets using multi-gene datasets from mitochondrial and nuclear loci, including all extant subfamilies for the first time. We reveal phylogenetic relationships between subfamilies, including the sister relationship between Anoplophilinae and Gammarotettiginae, based on which we suggest new synapomorphies. Through biogeographic analyses based on divergence time estimations and ancestral range reconstruction, we propose novel hypotheses regarding the biogeographic history of cave crickets. We suggest that Gammarotettiginae in California originated from the Asian lineage when Asia and the Americas were connected by the Bering land bridge, and the opening of the western interior seaway affected the division of Ceuthophilinae from Tropidischiinae in North America. We estimate that Rhaphidophoridae originated at 138 Mya throughout Pangea. We further hypothesize that the loss of wings in Rhaphidophoridae could be the result of their adaptation to low temperatures in the Mesozoic era.
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Affiliation(s)
- Do-Yoon Kim
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- Comparative Medicine Disease Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sangil Kim
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- Research Institute of Basic Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- Museum of Comparative Zoology and Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA
| | - Hojun Song
- Department of Entomology, Texas A&M University, College Station, TX, USA
| | - Seunggwan Shin
- School of Biological Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
- Comparative Medicine Disease Research Center, Seoul National University, Seoul, 08826, Republic of Korea.
- Research Institute of Basic Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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207
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Giacometti D, Palaoro AV, Leal LC, de Barros FC. How seasonality influences the thermal biology of lizards with different thermoregulatory strategies: a meta-analysis. Biol Rev Camb Philos Soc 2024; 99:409-429. [PMID: 37872698 DOI: 10.1111/brv.13028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 10/25/2023]
Abstract
Ectotherms that maintain thermal balance in the face of varying climates should be able to colonise a wide range of habitats. In lizards, thermoregulation usually appears as a variety of behaviours that buffer external influences over physiology. Basking species rely on solar radiation to raise body temperatures and usually show high thermoregulatory precision. By contrast, species that do not bask are often constrained by climatic conditions in their habitats, thus having lower thermoregulatory precision. While much focus has been given to the effects of mean habitat temperatures, relatively less is known about how seasonality affects the thermal biology of lizards on a macroecological scale. Considering the current climate crisis, assessing how lizards cope with temporal variations in environmental temperature is essential to understand better how these organisms will fare under climate change. Activity body temperatures (Tb ) represent the internal temperature of an animal measured in nature during its active period (i.e. realised thermal niche), and preferred body temperatures (Tpref ) are those selected by an animal in a laboratory thermal gradient that lacks thermoregulatory costs (i.e. fundamental thermal niche). Both traits form the bulk of thermal ecology research and are often studied in the context of seasonality. In this study, we used a meta-analysis to test how environmental temperature seasonality influences the seasonal variation in the Tb and Tpref of lizards that differ in thermoregulatory strategy (basking versus non-basking). Based on 333 effect sizes from 137 species, we found that Tb varied over a greater magnitude than Tpref across seasons. Variations in Tb were not influenced by environmental temperature seasonality; however, body size and thermoregulatory strategy mediated Tb responses. Specifically, larger species were subjected to greater seasonal variations in Tb , and basking species endured greater seasonal variations in Tb compared to non-basking species. On the other hand, the seasonal variation in Tpref increased with environmental temperature seasonality regardless of body size. Thermoregulatory strategy also influenced Tpref , suggesting that behaviour has an important role in mediating Tpref responses to seasonal variations in the thermal landscape. After controlling for phylogenetic effects, we showed that Tb and Tpref varied significantly across lizard families. Taken together, our results support the notion that the relationship between thermal biology responses and climatic parameters can be taxon and trait dependent. Our results also showcase the importance of considering ecological and behavioural aspects in macroecological studies. We further highlight current systematic, geographical, and knowledge gaps in thermal ecology research. Our work should benefit those who aim to understand more fully how seasonality shapes thermal biology in lizards, ultimately contributing to the goal of elucidating the evolution of temperature-sensitive traits in ectotherms.
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Affiliation(s)
- Danilo Giacometti
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Paulo, Rua Professor Artur Riedel 275, Diadema, São Paulo, 09972-270, Brasil
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S3A1, Canada
| | - Alexandre V Palaoro
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Paulo, Rua Professor Artur Riedel 275, Diadema, São Paulo, 09972-270, Brasil
- Department of Material Sciences and Engineering, 490 Sirrine Hall, Clemson University, 515 Calhoun Dr, Clemson, SC, 29634, USA
- Programa de Pós-Graduação em Ecologia, Universidade de São Paulo, Rua do Matão Trav. 14, São Paulo, 05508-090, Brasil
- Departamento de Zoologia, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos 100, Curitiba, Paraná, 82590-300, Brasil
| | - Laura C Leal
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Paulo, Rua Professor Artur Riedel 275, Diadema, São Paulo, 09972-270, Brasil
| | - Fábio C de Barros
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Paulo, Rua Professor Artur Riedel 275, Diadema, São Paulo, 09972-270, Brasil
- Departamento de Biociências, Universidade do Estado de Minas Gerais, Avenida Juca Stockler 1130, Passos, Minas Gerais, 37900-106, Brasil
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208
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Trillo MC, Aisenberg A, Herberstein ME, Bidegaray-Batista L. Amazons Are Back: Absence of Males in a Praying Mantis from Uruguayan Savannas. Neotrop Entomol 2024; 53:323-329. [PMID: 38305945 DOI: 10.1007/s13744-023-01114-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 12/04/2023] [Indexed: 02/03/2024]
Abstract
With a broad distribution throughout South America, Brunneria subaptera (Saussure) (Coptopterygidae) is the most abundant praying mantis species in Uruguay, mostly associated with grassland vegetation. Their body coloration can vary between green or brown sepia. The recent catalog of Uruguayan mantids showed that all specimens of B. subaptera from the collections in Uruguay were females, suggesting an absence of males in natural populations. The aim of this study was to determine the occurrence of female-only populations of B. subaptera in Uruguay. Moreover, we analyzed the genetic variation and estimated the time of the most recent common ancestor of the species. We performed bimonthly samplings in two localities in Uruguay for 1 year and we sexed the individuals. We extracted DNA from the abdominal tissue of adult females and sequenced a fragment of the mitochondrial cox1 gene to assess the genetic diversity and to estimate diversification times. We did not find any males in either of the studied localities. The age estimates revealed a recent origin of the species (2.33 Ma), and there was no genetic differentiation between the individuals from Uruguayan localities. This absence of males of B. subaptera documented in the sampled locations suggests that the species reproduces by thelytokous parthenogenesis. This study opens promising venues for future research into reproductive strategies and polymorphism in South-American praying mantises that inhabit one of the largest areas of grasslands in the world, currently under dramatic deterioration and reduction.
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Affiliation(s)
- Mariana C Trillo
- Depto de Ecología y Biología Evolutiva, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay.
- Depto de Biodiversidad y Genética, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay.
- Sección Entomología, Facultad de Ciencias, Univ de la República, Montevideo, Uruguay.
| | - Anita Aisenberg
- Depto de Ecología y Biología Evolutiva, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay
| | | | - Leticia Bidegaray-Batista
- Depto de Biodiversidad y Genética, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay.
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Bragard C, Baptista P, Chatzivassiliou E, Di Serio F, Gonthier P, Jaques Miret JA, Justesen AF, MacLeod A, Magnusson CS, Milonas P, Navas‐Cortes JA, Parnell S, Potting R, Reignault PL, Stefani E, Thulke H, van der Werf W, Yuen J, Zappalà L, Bezerra Lima ÉF, Makowski D, Crotta M, Gobbi A, Golic D, Maiorano A, Mosbach‐Schulz O, Rossi E, Terzidou A, Vicent Civera A. Risk assessment of Retithrips syriacus for the EU. EFSA J 2024; 22:e8741. [PMID: 38686341 PMCID: PMC11056851 DOI: 10.2903/j.efsa.2024.8741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024] Open
Abstract
Following a request from the European Commission, the EFSA Panel on Plant Health performed a quantitative risk assessment for the EU of Retithrips syriacus (Mayet) (Thysanoptera: Thripidae), a polyphagous thrips, regarded as a tropical/subtropical pest occurring in several countries of Africa, South America, Asia and in the EU in Cyprus. The current risk assessment focused on potential pathways for entry, the climatic conditions allowing establishment, the expected spread capacity and the impact considering a time horizon of 10 years (2023-2032). The Panel identified the import of cut roses, persimmons, table grapes, as well as plants for planting of the genera Acalypha and Terminalia from third countries and those of Persea americana (avocado) from Israel as the most relevant entry pathways to consider. Over the next 10 years, an annual median estimate of 95 (90% Certainty Range, CR, ranging from 13 to 1832) potential R. syriacus founder populations per year are expected to successfully transfer to a suitable host in the EU NUTS2 regions where the climatic conditions are predicted as suitable for establishment; this value drops to a median of 4.6 founder populations per year (90% CR: 1 every 1.9 years - 85.6 per year) after considering the actual probability of establishment of a potential founder population. The estimated number of founder population per year is mostly driven by the import of cut roses and plants for planting. If such founder populations were to establish, R. syriacus is estimated to spread at a median rate of 0.05 km/year (90% CR 0.02-2.30 km/year) after a median lag phase of 1.1 years (90% CR 0.3-3.3 years). The overall impact on yield (expressed as % of the total agricultural production) directly attributable to R. syriacus when considering: (i) the main R. syriacus hosts in the EU, (ii) the areas of the EU where establishment is possible, (iii) the current agricultural practices and (iv) the evidence of impact from the countries where the pest is established for a long time, was estimated at 0.065% as the median value of the uncertainty distribution (90% CR 0.001%-0.571%). Options for risk reduction are discussed, but the effectiveness was not quantified.
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210
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Ezhova OV, Lukinykh AI, Malakhov VV. Nemertodermatida-Endosymbionts of Deep-Sea Acorn Worms (Hemichordata, Torquaratoridae). Dokl Biol Sci 2024; 515:11-14. [PMID: 38472683 PMCID: PMC11021256 DOI: 10.1134/s001249662360015x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 11/25/2023] [Accepted: 11/25/2023] [Indexed: 03/14/2024]
Abstract
Worm-like endosymbionts were found in the hepatic region of the digestive tract of the deep-sea acorn worm Quatuoralisia malakhovi Ezhova et Lukinykh, 2022 (family Torquaratoridae) from the Bering Sea. The symbionts were assigned to the taxon Nemertodermatida on the basis of histological examination. Torquaratoridae are similar in feeding type to holothuroids, which have also been found to have Xenacoelomorpha endosymbionts.
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Affiliation(s)
- O V Ezhova
- Moscow State University, Moscow, Russia.
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211
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Jyothis D, Ramani N. Prey stage preference of Amblyseius paraaerialis (Acari: Phytoseiidae) on varied life stages of the spider mites Tetranychus urticae, Tetranychus macfarlanei and Oligonychus biharensis (Acari: Tetranychidae) and exploring the mass rearing possibilities of this predatory mite on alternative diets. Exp Appl Acarol 2024; 92:385-401. [PMID: 38478140 DOI: 10.1007/s10493-023-00899-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 12/30/2023] [Indexed: 04/23/2024]
Abstract
Spider mites Tetranychus urticae, Tetranychus macfarlanei and Oligonychus biharensis are considered to be highly polyphagous in nature and causes severe damage to a wide range of plants around the world. Amblyseius paraaerialis is an efficient phytoseiid predator of spider mites with a potential to survive on both natural and alternative diets. Evaluation of predatory potential and prey stage preference provides valuable information on the efficacy of the predatory species in controlling mite population. Feeding experiments were conducted on mulberry leaf discs under the laboratory conditions of 30 ± 2 °C and 70 ± 5% relative humidity (RH). After 24 h of feeding experiment, the adult female predator exhibited a significant preference in feeding towards the eggs of T. macfarlanei (42.6%) and the larval stages of T. urticae (46%) and O. biharensis (25.3%). The mass rearing possibilities of A. paraaerialis was tested by tracking and comparing the developmental duration of individual life stages on varied food sources like, honey, castor (Ricinus communis) pollen, honey-pollen mixture and mixed life stages of T. urticae. The predator was failed to complete its development on honey and pollen when supplied separately. However it was successfully developed on honey-pollen mixture and mixed life stages of T. urticae. The developmental studies unravelled a shortest developmental duration and an extended adult longevity and lifespan of A. paraaerialis when reared on the alternative diet, thus opened up the mass rearing possibility of the predatory species under laboratory conditions.
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Affiliation(s)
- Devasia Jyothis
- Division of Acarology, Department of Zoology, University of Calicut, Thenjippalam, Malappuram, Kerala, 673635, India.
| | - Neravathu Ramani
- Division of Acarology, Department of Zoology, University of Calicut, Thenjippalam, Malappuram, Kerala, 673635, India
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212
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Gile GH. Protist symbionts of termites: diversity, distribution, and coevolution. Biol Rev Camb Philos Soc 2024; 99:622-652. [PMID: 38105542 DOI: 10.1111/brv.13038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 12/19/2023]
Abstract
The symbiosis between termites and their hindgut protists is mutually obligate and vertically inherited. It was established by the late Jurassic in the cockroach ancestors of termites as they transitioned to wood feeding. Since then, protist symbionts have been transmitted from host generation to host generation by proctodeal trophallaxis (anal feeding). The protists belong to multiple lineages within the eukaryotic superphylum Metamonada. Most of these lineages have evolved large cells with complex morphology, unlike the non-termite-associated Metamonada. The species richness and taxonomic composition of symbiotic protist communities varies widely across termite lineages, especially within the deep-branching clade Teletisoptera. In general, closely related termites tend to harbour closely related protists, and deep-branching termites tend to harbour deep-branching protists, reflecting their broad-scale co-diversification. A closer view, however, reveals a complex distribution of protist lineages across hosts. Some protist taxa are common, some are rare, some are widespread, and some are restricted to a single host family or genus. Some protist taxa can be found in only a few, distantly related, host species. Thus, the long history of co-diversification in this symbiosis has been complicated by lineage-specific loss of symbionts, transfer of symbionts from one host lineage to another, and by independent diversification of the symbionts relative to their hosts. This review aims to introduce the biology of this important symbiosis and serve as a gateway to the diversity and systematics literature for both termites and protists. A searchable database with all termite-protist occurrence records and taxonomic references is provided as a supplementary file to encourage and facilitate new research in this field.
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Affiliation(s)
- Gillian H Gile
- School of Life Sciences, Arizona State University, Tempe, AZ, 85287, USA
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213
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Newsome T, Cairncross R, Cunningham CX, Spencer EE, Barton PS, Ripple WJ, Wirsing AJ. Scavenging with invasive species. Biol Rev Camb Philos Soc 2024; 99:562-581. [PMID: 38148253 DOI: 10.1111/brv.13035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/28/2023]
Abstract
Carrion acts as a hotspot of animal activity within many ecosystems globally, attracting scavengers that rely on this food source. However, many scavengers are invasive species whose impacts on scavenging food webs and ecosystem processes linked to decomposition are poorly understood. Here, we use Australia as a case study to review the extent of scavenging by invasive species that have colonised the continent since European settlement, identify the factors that influence their use of carcasses, and highlight the lesser-known ecological effects of invasive scavengers. From 44 published studies we identified six invasive species from 48 vertebrates and four main groups of arthropods (beetles, flies, ants and wasps) that scavenge. Invasive red foxes (Vulpes vulpes), domestic dogs (Canis familiaris), feral pigs (Sus scrofa), black rats (Rattus rattus) and feral cats (Felis catus) were ranked as highly common vertebrate scavengers. Invasive European wasps (Vespula germanica) are also common scavengers where they occur. We found that the diversity of native vertebrate scavengers is lower when the proportion of invasive scavengers is higher. We highlight that the presence of large (apex) native vertebrate scavengers can decrease rates of scavenging by invasive species, but that invasive scavengers can monopolise carcass resources, outcompete native scavengers, predate other species around carcass resources and even facilitate invasion meltdowns that affect other species and ecological processes including altered decomposition rates and nutrient cycling. Such effects are likely to be widespread where invasive scavengers occur and suggest a need to determine whether excessive or readily available carcass loads are facilitating or exacerbating the impacts of invasive species on ecosystems globally.
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Affiliation(s)
- Thomas Newsome
- School of Life and Environmental Science, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Rhys Cairncross
- School of Life and Environmental Science, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Calum X Cunningham
- School of Environmental and Forest Sciences, University of Washington, College of the Environment, Box 352100, Seattle, WA, 98195-2100, USA
| | - Emma E Spencer
- School of Life and Environmental Science, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Philip S Barton
- School of Life and Environmental Science, Deakin University, Geelong, Victoria, 3216, Australia
| | - William J Ripple
- Department of Forest Ecosystems and Society, Oregon State University, Corvallis, OR, 97331, USA
| | - Aaron J Wirsing
- School of Environmental and Forest Sciences, University of Washington, College of the Environment, Box 352100, Seattle, WA, 98195-2100, USA
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214
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Janelt K, Poprawa I. Organisation of the nervous system in cysts of the freshwater tardigrade Thulinius ruffoi (Parachela, Isohypsibioidea: Doryphoribiidae). J Anat 2024; 244:654-666. [PMID: 38131103 PMCID: PMC10941535 DOI: 10.1111/joa.13994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
Encystment is a natural process that involves cyst formation, and at least some species of tardigrades can form cysts. However, the encystment process and cyst structure among tardigrades are still poorly understood. Despite some aspects of the encysted animals' systems organisation being examined in the past, the morphology and structure of the nervous system have never been thoroughly investigated. This study covers anatomical, histological and morphological details and proposes physiological aspects of the nervous system in encysted Thulinius ruffoi up to 11 months duration in encystment. This is the first record of the nervous system organisation in a species belonging to the family Doryphoribiidae. The cyst formation results in morphological changes in the nervous system. It comprises central and peripheral elements, which may be observable even after many months since the cyst formation. Based on the nervous system's organisation in cysts, there is no sign that histolysis is a part of encystment.
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Affiliation(s)
- Kamil Janelt
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Katowice, Poland
- Department of Medical Genetics, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Izabela Poprawa
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Katowice, Poland
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215
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Truong TN, Bullard SA. DULCITRANSVERSOTREMA N. GEN. (DIGENEA: TRANSVERSOTREMATIDAE) AND FIRST MORPHOLOGICAL AND NUCLEOTIDE-BASED CONFIRMATION OF THE LIFE CYCLE OF A TRANSVERSOTREMATID IN NORTH AMERICA. J Parasitol 2024; 110:127-140. [PMID: 38527492 DOI: 10.1645/23-112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024] Open
Abstract
We propose Dulcitransversotrema n. gen. for the freshwater transversotrematids Dulcitransversotrema patialense (Soparkar, 1924) n. comb. and Dulcitransversotrema chauhani (Agrawal and Singh, 1960) n. comb. Dulcitransversotrema is unique by the combination of lacking an oral sucker and an extensively coiled uterus as well as having testes that are not deeply lobed and that abut or nearly abut the inner posterolateral margins of the digestive tract (vs. deeply lobed testes that abut the cyclocoel region of the digestive tract only or that do not abut the ceca), a pre-oral genital pore (vs. post-oral genital pore), an ovary that is anterior to and abuts or nearly abuts the sinistral testis (vs. an ovary that is separated from the sinistral testis by some distance or having an ovary that is median and immediately pre-testicular), non-embryonated eggs (vs. embryonated eggs), typically having none or sparse vitelline follicles between the testes and ceca (vs. having a wholly inter-cecal vitellarium comprising a pair of highly compacted clusters of vitelline follicles anterolateral to the testes or having numerous vitelline follicles between the testes and ceca), an oblong, median, and primarily inter-testicular vitelline reservoir (vs. an extensively elongate, pre-testicular vitelline reservoir that arches anteriorly around the sinistral testis), and a subterminal excretory pore opening on the dorsal body surface between the level of the cyclocoel and posterior body end (vs. a terminal excretory pore). We describe the redia and cercaria of Dulcitransversotrema cf. patialense from the red-rimmed melania snail, Melanoides tuberculata (Müller, 1774) (Cerithioidea: Thiaridae), and their corresponding adult from beneath the scales of the zebrafish, Danio rerio (Hamilton, 1822) (Cypriniformes: Danionidae). All hosts were sampled from a spring-fed earthen pond at a private aquaculture facility near Ruskin, Florida. No transversotrematid life cycle was known from North America previously. The large subunit ribosomal DNA and ribosomal internal transcribed spacer 2 sequences of D. cf. patialense from Florida were most similar to those from D. patialense infecting red-rimmed melania from Mayagüez, Puerto Rico and differed by 134 and 69 nucleotides, respectively. Both phylogenetic analyses recovered Dulcitransversotrema as monophyletic and sister to a clade comprising Transversotrema spp. plus Crusziella formosa Cribb, Bray, and Barker, 1992.
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Affiliation(s)
- Triet N Truong
- Aquatic Parasitology Laboratory, Southeastern Cooperative Fish Parasite and Disease Laboratory, School of Fisheries, Aquaculture, and Aquatic Sciences, College of Agriculture, Auburn University, 559 Devall Drive, Auburn, Alabama 36832
| | - Stephen A Bullard
- Aquatic Parasitology Laboratory, Southeastern Cooperative Fish Parasite and Disease Laboratory, School of Fisheries, Aquaculture, and Aquatic Sciences, College of Agriculture, Auburn University, 559 Devall Drive, Auburn, Alabama 36832
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa
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216
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Grisendi A, Calzolari M, Defilippo F, Torri D, Marzani K, Dottori M, Bonilauri P, Maioli G. MORPHOLOGICAL AND MOLECULAR CHARACTERIZATION OF AMBLYOMMA SCUTATUM (ACARI: IXODIDAE) ACCIDENTALLY INTRODUCED IN ITALY. J Parasitol 2024; 110:155-158. [PMID: 38621699 DOI: 10.1645/20-69] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024] Open
Abstract
Eight ticks were found in Comacchio (FE), Italy parasitizing a young black iguana (Ctenosaura similis) that had been accidentally transported in a commercial plant container from Costa Rica. Specimens were identified morphologically as Amblyomma scutatum and then confirmed by the barcoding of the mitochondrial cytochrome c oxidase subunit 1 gene. Amblyomma scutatum is a common tick known to infest reptiles in Central America, Mexico, and Venezuela, but not in Europe. In Italy, the possibility for this tick to become endemic is unlikely because of the absence of its principal hosts. Nevertheless, this finding confirms the high risk of introducing exotic species that is linked with global commerce and therefore the need for veterinary control of shipments.
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Affiliation(s)
- Annalisa Grisendi
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Mattia Calzolari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Francesco Defilippo
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Deborah Torri
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Katia Marzani
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Michele Dottori
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Paolo Bonilauri
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
| | - Giulia Maioli
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna Bruno Umbertini, Sezione di Reggio Emilia, via Pitagora 2, 42124 Reggio Emilia, Italy
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217
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Rosser N, Seixas F, Queste LM, Cama B, Mori-Pezo R, Kryvokhyzha D, Nelson M, Waite-Hudson R, Goringe M, Costa M, Elias M, Mendes Eleres de Figueiredo C, Freitas AVL, Joron M, Kozak K, Lamas G, Martins ARP, McMillan WO, Ready J, Rueda-Muñoz N, Salazar C, Salazar P, Schulz S, Shirai LT, Silva-Brandão KL, Mallet J, Dasmahapatra KK. Hybrid speciation driven by multilocus introgression of ecological traits. Nature 2024; 628:811-817. [PMID: 38632397 PMCID: PMC11041799 DOI: 10.1038/s41586-024-07263-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 03/01/2024] [Indexed: 04/19/2024]
Abstract
Hybridization allows adaptations to be shared among lineages and may trigger the evolution of new species1,2. However, convincing examples of homoploid hybrid speciation remain rare because it is challenging to demonstrate that hybridization was crucial in generating reproductive isolation3. Here we combine population genomic analysis with quantitative trait locus mapping of species-specific traits to examine a case of hybrid speciation in Heliconius butterflies. We show that Heliconius elevatus is a hybrid species that is sympatric with both parents and has persisted as an independently evolving lineage for at least 180,000 years. This is despite pervasive and ongoing gene flow with one parent, Heliconius pardalinus, which homogenizes 99% of their genomes. The remaining 1% introgressed from the other parent, Heliconius melpomene, and is scattered widely across the H. elevatus genome in islands of divergence from H. pardalinus. These islands contain multiple traits that are under disruptive selection, including colour pattern, wing shape, host plant preference, sex pheromones and mate choice. Collectively, these traits place H. elevatus on its own adaptive peak and permit coexistence with both parents. Our results show that speciation was driven by introgression of ecological traits, and that speciation with gene flow is possible with a multilocus genetic architecture.
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Affiliation(s)
- Neil Rosser
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
- Department of Biology, University of York, York, UK.
| | - Fernando Seixas
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | | | - Bruna Cama
- Department of Biology, University of York, York, UK
| | - Ronald Mori-Pezo
- URKU Estudios Amazónicos, Tarapoto, Perú
- Universidad Nacional Autónoma de Alto Amazona, Yurimaguas, Perú
| | - Dmytro Kryvokhyzha
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
- Department of Clinical Sciences, Lund University Diabetes Centre, Malmö, Sweden
| | | | | | - Matt Goringe
- Department of Biology, University of York, York, UK
| | | | - Marianne Elias
- Institut Systématique, Evolution, Biodiversité, UMR 7205 MNHN-CNRS-EPHE-UPMC Sorbonne Universités, Muséum National d'Histoire Naturelle, Paris, France
- Smithsonian Tropical Research Institute, Panama City, Panama
| | - Clarisse Mendes Eleres de Figueiredo
- Institute for Biological Sciences, Federal University of Pará (UFPA), Belém, Brazil
- Centre for Advanced Studies of Biodiversity (CEABIO), Belém, Brazil
| | - André Victor Lucci Freitas
- Departamento de Biologia Animal and Museu de Diversidade Biológica, Instituto de Biologia, Universidade Estadual de Campinas, São Paulo, Brazil
| | - Mathieu Joron
- Centre d'Ecologie Fonctionnelle et Evolutive, UMR 5175 CNRS, Université de Montpellier-Université Paul Valéry Montpellier-EPHE, Montpellier, France
| | - Krzysztof Kozak
- Smithsonian Tropical Research Institute, Panama City, Panama
| | - Gerardo Lamas
- Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima, Peru
| | | | - W Owen McMillan
- Smithsonian Tropical Research Institute, Panama City, Panama
| | - Jonathan Ready
- Institute for Biological Sciences, Federal University of Pará (UFPA), Belém, Brazil
- Centre for Advanced Studies of Biodiversity (CEABIO), Belém, Brazil
| | - Nicol Rueda-Muñoz
- Biology Program, Faculty of Natural Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Camilo Salazar
- Biology Program, Faculty of Natural Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Patricio Salazar
- Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK
| | - Stefan Schulz
- Institut für Organische Chemie, Technische Universität Braunschweig, Braunschweig, Germany
| | - Leila T Shirai
- Departamento de Biologia Animal and Museu de Diversidade Biológica, Instituto de Biologia, Universidade Estadual de Campinas, São Paulo, Brazil
| | - Karina L Silva-Brandão
- Leibniz Institute for the Analysis of Biodiversity Change, Museum de Natur Hamburg Zoology, Hamburg, Germany
| | - James Mallet
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
| | - Kanchon K Dasmahapatra
- Department of Biology, University of York, York, UK
- Leverhulme Centre for Anthropocene Biodiversity, Department of Biology, University of York, York, UK
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218
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Martinelli AG, Ezcurra MD, Fiorelli LE, Escobar J, Hechenleitner EM, von Baczko MB, Taborda JRA, Desojo JB. A new early-diverging probainognathian cynodont and a revision of the occurrence of cf. Aleodon from the Chañares Formation, northwestern Argentina: New clues on the faunistic composition of the latest Middle-?earliest Late Triassic Tarjadia Assemblage Zone. Anat Rec (Hoboken) 2024; 307:818-850. [PMID: 38282519 DOI: 10.1002/ar.25388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 01/30/2024]
Abstract
The Chañares Formation (Ischigualasto-Villa Unión Basin) is worldwide known by its exquisitely preserved fossil record of latest Middle-to-early Late Triassic tetrapods, including erpetosuchids, "rauisuchians," proterochampsids, gracilisuchids, dinosauromorphs, pterosauromorphs, kannemeyeriiform dicynodonts, and traversodontid, chiniquodontid and probainognathid cynodonts, coming from the Tarjadia (bottom) and Massetognathus-Chanaresuchus (top) Assemblage Zones of its lower member. Regarding cynodonts, most of its profuse knowledge comes from the traditional layers discovered by Alfred Romer and his team in the 1960s that are now enclosed in the Massetognathus-Chanaresuchus Assemblage Zone (AZ). In this contribution we focus our study on the probainognathian cynodonts discovered in levels of the Tarjadia Assemblage Zone. We describe a new chiniquodontid cynodont with transversely broad postcanine teeth (Riojanodon nenoi gen. et sp. nov.) which is related to the genus Aleodon. In addition, the specimen CRILAR-Pv 567 previously referred to cf. Aleodon is here described, compared, and included in a phylogenetic analysis. It is considered as an indeterminate Aleodontinae nov., a clade here proposed to included chiniquodontids with transversely broad upper and lower postcanines, by having a cuspidated sectorial labial margin and a lingual platform that is twice broader than a lingual cingulum. Cromptodon mamiferoides, from the Cerro de Las Cabras Formation (Cuyo Basin), was also included in the phylogenetic analysis and recovered as an Aleodontinae. The new cynodont and the record of Aleodontinae indet. reinforce the faunal differentiation between the Tarjadia and Massetognathus-Chanaresuchus Assemblage Zones, in the lower member of the Chañares Formation, and inform on the diverse chiniquodontid clade with both sectorial and transversely broad postcanine teeth.
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Affiliation(s)
- Agustín G Martinelli
- Sección Paleontología de Vertebrados, CONICET-Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Martín D Ezcurra
- Sección Paleontología de Vertebrados, CONICET-Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Lucas E Fiorelli
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja-UNLaR-SEGEMAR-UNCa-CONICET), La Rioja, Argentina
| | - Juan Escobar
- Sección Paleontología de Vertebrados, CONICET-Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - E Martín Hechenleitner
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja-UNLaR-SEGEMAR-UNCa-CONICET), La Rioja, Argentina
| | - M Belén von Baczko
- Sección Paleontología de Vertebrados, CONICET-Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Jeremías R A Taborda
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- CICTERRA, Ciudad Universitaria, Córdoba, Argentina
| | - Julia B Desojo
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- División Paleontología Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Buenos Aires, Argentina
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219
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Gottscho AD, Mulcahy DG, Leaché AD, de Queiroz K, Lovich RE. Population genomics of flat-tailed horned lizards (Phrynosoma mcallii) informs conservation and management across a fragmented Colorado Desert landscape. Mol Ecol 2024; 33:e17308. [PMID: 38445567 DOI: 10.1111/mec.17308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 03/07/2024]
Abstract
Phrynosoma mcallii (flat-tailed horned lizards) is a species of conservation concern in the Colorado Desert of the United States and Mexico. We analysed ddRADseq data from 45 lizards to estimate population structure, infer phylogeny, identify migration barriers, map genetic diversity hotspots, and model demography. We identified the Colorado River as the main geographic feature contributing to population structure, with the populations west of this barrier further subdivided by the Salton Sea. Phylogenetic analysis confirms that northwestern populations are nested within southeastern populations. The best-fit demographic model indicates Pleistocene divergence across the Colorado River, with significant bidirectional gene flow, and a severe Holocene population bottleneck. These patterns suggest that management strategies should focus on maintaining genetic diversity on both sides of the Colorado River and the Salton Sea. We recommend additional lands in the United States and Mexico that should be considered for similar conservation goals as those in the Rangewide Management Strategy. We also recommend periodic rangewide genomic sampling to monitor ongoing attrition of diversity, hybridization, and changing structure due to habitat fragmentation, climate change, and other long-term impacts.
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Affiliation(s)
- Andrew D Gottscho
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
| | - Daniel G Mulcahy
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
- Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Berlin, Germany
| | - Adam D Leaché
- Department of Biology, Burke Museum of Natural History and Culture, University of Washington, Seattle, Washington, USA
| | - Kevin de Queiroz
- Department of Vertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
| | - Robert E Lovich
- Naval Facilities Engineering Command Southwest, San Diego, California, USA
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220
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Kameya M, Watanabe T, Nambu H, Yamazaki Y. Phylogeographic History of Endangered Hokuriku Salamander, Hynobius takedai (Amphibia: Caudata). Zoolog Sci 2024; 41:177-184. [PMID: 38587912 DOI: 10.2108/zs230101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 11/25/2023] [Indexed: 04/10/2024]
Abstract
Knowledge of the phylogeographic history of organisms is valuable for understanding their evolutionary processes. To the best of our knowledge, the phylogeographic structure of Hokuriku salamander, Hynobius takedai, an endangered species, remains unclear. This study aimed to elucidate the phylogeographic history of H. takedai, which is expected to be strongly influenced by paleogeographic events. Phylogenetic analysis based on partial sequences of the mitochondrial DNA cytochrome b gene confirmed the genetic independence of H. takedai, and the divergence time with closely related species was estimated to be from the Late Pliocene to the Early Pleistocene. In the phylogenetic tree, two clades were identified within H. takedai, and their haplotypes were found in samples collected from the west and east of the distribution range. These intraspecific divergences were strongly influenced by geohistorical subdivisions of the current major distribution areas in the Middle Pleistocene. One clade was further subdivided and its formation may have been influenced by sea level changes in the Late Pleistocene.
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Affiliation(s)
- Mitsushi Kameya
- Faculty of Science, University of Toyama, Toyama 930-8555, Japan
| | - Takumi Watanabe
- Faculty of Science, University of Toyama, Toyama 930-8555, Japan
| | - Hisao Nambu
- Faculty of Science, University of Toyama, Toyama 930-8555, Japan
| | - Yuji Yamazaki
- Faculty of Science, University of Toyama, Toyama 930-8555, Japan,
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221
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Vernygora OV, Sperling FAH, Dupuis JR. Toward transparent taxonomy: an interactive web-tool for evaluating competing taxonomic arrangements. Cladistics 2024; 40:181-191. [PMID: 37824277 DOI: 10.1111/cla.12563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 08/31/2023] [Accepted: 09/19/2023] [Indexed: 10/14/2023] Open
Abstract
Informative and consistent taxonomy above the species level is essential to communication about evolution, biodiversity and conservation, and yet the practice of taxonomy is considered opaque and subjective by non-taxonomist scientists and the public alike. While various proposals have tried to make the basis for the ranking and inclusiveness of taxa more transparent and objective, widespread adoption of these ideas has lagged. Here, we present TaxonomR, an interactive online decision-support tool to evaluate alternative taxonomic classifications. This tool implements an approach that quantifies the criteria commonly used in taxonomic treatments and allows the user to interactively manipulate weightings for different criteria to compare scores for taxonomic groupings under those weights. We use the butterfly taxon Argynnis to demonstrate how different weightings applied to common taxonomic criteria result in fundamentally different genus-level classifications that are predominantly used in different continents and geographic regions. These differences are objectively compared and quantified using TaxonomR to evaluate the kinds of criteria that have been emphasized in earlier classifications, and the nature of the support for current alternative taxonomic arrangements. The main role of TaxonomR is to make taxonomic decisions transparent via an explicit prioritization scheme. TaxonomR is not a prescriptive application. Rather, it aims to be a tool for facilitating our understanding of alternative taxonomic classifications that can, in turn, potentially support global harmony in biodiversity assessments through evidence-based discussion and community-wide resolution of historically entrenched taxonomic tensions.
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Affiliation(s)
- Oksana V Vernygora
- Department of Entomology, University of Kentucky, S225 Ag Science Center North, Lexington, KY, 40546, USA
- Department of Biological Sciences, University of Alberta, CW405 Biological Sciences Building, Edmonton, AB, T6G 2E9, Canada
| | - Felix A H Sperling
- Department of Biological Sciences, University of Alberta, CW405 Biological Sciences Building, Edmonton, AB, T6G 2E9, Canada
| | - Julian R Dupuis
- Department of Entomology, University of Kentucky, S225 Ag Science Center North, Lexington, KY, 40546, USA
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222
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Londoño-Burbano A, Britto MR. Taxonomic revision of Sturisoma Swainson, 1838 (Loricariidae: Loricariinae), with descriptions of four new species. J Fish Biol 2024; 104:989-1041. [PMID: 38018606 DOI: 10.1111/jfb.15627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/12/2023] [Accepted: 11/20/2023] [Indexed: 11/30/2023]
Abstract
A taxonomic revision of Sturisoma is presented. Individuals including both type and non-type specimens of all valid species were examined. Sturisoma was found to comprise 10 valid species: Sturisoma barbatum, Sturisoma brevirostre, Sturisoma graffini, Sturisoma guentheri, Sturisoma lyra, Sturisoma monopelte, Sturisoma nigrirostrum, Sturisoma reisi, Sturisoma rostratum, and Sturisoma tenuirostre. Furthermore, four new species are described: Sturisoma ghazziae, new species, from the Araguaia River, belonging to the Tocantins-Araguaia basin, Central Brazil; Sturisoma careirensia, new species, from the middle Amazon basin, Brazil; Sturisoma rapppydanielae, new species, from the Purus River, Amazon basin, Brazil; and Sturisoma defranciscoi, new species, from the Putumayo and Solimões rivers, upper Amazon basin, Colombia, and Brazil. Sturisoma robustum is confirmed as synonym of S. barbatum, species registered along the Paraguay/Parana/La Plata River basin in Argentina, Brazil, and Paraguay. New records were found for S. nigrirostrum as present in the upper Amazon basin, in the Yavari River, Brazil, in addition to its already known locality, the Ucayali River, Peru. The distribution of the type species of the genus S. rostratum is limited to the lower portion of the Amazon basin in the Araguaia, Maranhão, Mearim, Tapajós, and Tocantins rivers and its affluents, Brazil, in contrast to the assumed widespread distribution across the main basins of South America, as previously proposed for the species; the Mearim River is a new record for the species. Updated diagnoses and descriptions are offered for species of Sturisoma, in addition to distribution maps and an identification key for the species.
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Affiliation(s)
- Alejandro Londoño-Burbano
- Departamento de Vertebrados-Setor de Ictiologia, Universidade Federal do Rio de Janeiro, Museu Nacional, Rio de Janeiro, Brazil
| | - Marcelo R Britto
- Departamento de Vertebrados-Setor de Ictiologia, Universidade Federal do Rio de Janeiro, Museu Nacional, Rio de Janeiro, Brazil
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223
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Vo VQ, Ho HC, Dao HV, Tran TC. New species of the eel genera Dysomma and Dysommina from Vietnam, South China Sea (Anguilliformes: Synaphobranchidae). J Fish Biol 2024; 104:1067-1078. [PMID: 38174627 DOI: 10.1111/jfb.15638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/26/2023] [Accepted: 11/29/2023] [Indexed: 01/05/2024]
Abstract
Two new cutthroat eel species are described from Vietnam. Dysomma intermedium sp. nov. has a relatively long trunk, being about half of head length and anal-fin origin more than twice pectoral-fin length behind the pectoral-fin tip; pectoral fin well developed; dorsal-fin origin over or slightly in front of base of pectoral fin; two intermaxillary teeth; four or five compound teeth on ethmovomer; single row of seven or eight teeth on lower jaw; total lateral-line pores 70-76; and 21 pre-anal and 118-124 total vertebrae. Dysommina brevis sp. nov. differs from congeners by having a trunk shorter than head length, its length 11.1%-11.8% TL; a short pre-anal length 24.6%-25.6% TL, eye diameter 11.8%-12.3% head length; three large and one or two small teeth on ethmovomer; and fewer teeth on the upper and lower jaws. In addition, a specimen representing the first record of Dysommina orientalis in Vietnamese water is documented.
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Affiliation(s)
- Van Quang Vo
- Institute of Oceanography, Vietnam Academy of Science and Technology (VAST), Nha Trang, Khánh Hòa, Vietnam
- Graduate University of Science and Technology, VAST, Nha Trang, Khánh Hòa, Vietnam
| | - Hsuan-Ching Ho
- Department and Graduate Institute of Aquaculture, National Kaohsiung University of Science Technology, Kaohsiung, Taiwan
- Institude of Marine Biology, National Donghwa University, Hualien, Taiwan
- Ichthyology, Australian Museum, Sydney, New South Wales, Australia
| | - Ha Viet Dao
- Institute of Oceanography, Vietnam Academy of Science and Technology (VAST), Nha Trang, Khánh Hòa, Vietnam
- Graduate University of Science and Technology, VAST, Nha Trang, Khánh Hòa, Vietnam
| | - Thinh Cong Tran
- Institute of Oceanography, Vietnam Academy of Science and Technology (VAST), Nha Trang, Khánh Hòa, Vietnam
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224
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Reche VA, Buonocore Biancheri MJ, Cao LM, Del Carmen Suárez L, Ovruski SM, Kirschbaum DS, Garcia FRM, Gallardo FE. Survey on Drosophila suzukii and Ceratitis capitata (Diptera: Drosophilidae, Tephritidae) and Associated Eucoilinae Species (Hymenoptera: Figitidae) in Northwestern Argentina. First Record of Dicerataspis grenadensis and Leptopilina boulardi as Parasitoids of D. suzukii. Neotrop Entomol 2024; 53:200-215. [PMID: 38228819 DOI: 10.1007/s13744-023-01112-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 11/29/2023] [Indexed: 01/18/2024]
Abstract
The Southeast Asian-native Drosophila suzukii (Matsumura) (Diptera: Drosophilidae), also known as "spotted-wing Drosophila," is one of the most globally invasive agricultural species. Although D. suzukii is a pest spread throughout all the Argentinian fruit-growing regions, few information has been published on its impact on local fruit production. Parasitoid species associated with D. suzukii in Argentina belong to Pteromalidae (Chalcidoidea), Diapriidae (Diaprioidea), both attacking host pupae, and Figitidae (Cynipoidea), which attack host larvae. Nine Eucoilinae (Figitidae) species, belonging to Dicerataspis, Dieucoila, Euxestophaga, Ganaspis, Hexacola, and Leptopilina genera, have been associated with D. suzukii in Argentina. Ceratitis capitata (Wiedemann), commonly known as "medfly," is native to Africa and has a worldwide distribution, covering many tropical, subtropical, and temperate regions. In Argentina, C. capitata has been associated with several native hymenopterous parasitoids belonging to Braconidae (Ichneumonioidea), Eulophidae (Chalcidoidea), Pteromalidae, Diapriidae, and Figitidae families. Only two eucoline species, Ganaspis pelleranoi (Brèthes) and Leptopilina haywardi (Blanchard) have been related to medfly in Argentina. We report new trophic associations between the parasitoids Dicerataspis grenadensis Ashmead and Leptopilina boulardi (Barbotin, Carton and Kelner-Pillault) and D. suzukii, and between the parasitoid Odontosema albinerve Kieffer and C. capitata, after surveys conducted in Tucumán, northwestern Argentina. An annotated checklist and a taxonomic key of Eucoilinae associated with both invasive pests, in Argentina, are also provided.
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Affiliation(s)
- Vanina Anadina Reche
- División Entomología, Museo de La Plata, Facultad de Ciencias Naturales y Museo, UNLP, La Plata, Buenos Aires, Argentina
- Univ Nacional de La Plata, La Plata, Buenos Aires, Argentina
| | - María Josefina Buonocore Biancheri
- Planta Piloto de Procesos Industriales Microbiológicos y Biotecnología (PROIMI-CONICET), División Control Biológico, San Miguel de Tucumán, Tucumán, Argentina.
| | - Luciana Marina Cao
- División Entomología, Museo de La Plata, Facultad de Ciencias Naturales y Museo, UNLP, La Plata, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), La Plata, Buenos Aires, Argentina
| | - Lorena Del Carmen Suárez
- Dirección de Sanidad Vegetal, Animal y Alimentos de San Juan (DSVAA)-Gobierno de La Provincia de San Juan, San Juan, Argentina
- CCT CONICET, San Juan, Argentina
| | - Sergio Marcelo Ovruski
- Planta Piloto de Procesos Industriales Microbiológicos y Biotecnología (PROIMI-CONICET), División Control Biológico, San Miguel de Tucumán, Tucumán, Argentina
| | - Daniel Santiago Kirschbaum
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Famaillá, Famaillá, Tucumán, Argentina
- Cátedra Horticultura, Facultad de Agronomía, Zootecnia y Veterinaria, UNT, San Miguel de Tucumán, Tucumán, Argentina
| | - Flávio Roberto Mello Garcia
- Depto de Ecologia, Zoologia E Genética, Instituto de Biologia, Univ Federal de Pelotas, Pelotas, Rio Grande Do Sul, Brazil
| | - Fabiana Edith Gallardo
- División Entomología, Museo de La Plata, Facultad de Ciencias Naturales y Museo, UNLP, La Plata, Buenos Aires, Argentina
- Comisión Investigaciones Científicas Buenos Aires (CICPBA), Buenos Aires, Argentina
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225
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Prochazka LS, Alcantara S, Rando JG, Vasconcelos T, Pizzardo RC, Nogueira A. Resource availability and disturbance frequency shape evolution of plant life forms in Neotropical habitats. New Phytol 2024; 242:760-773. [PMID: 38379443 DOI: 10.1111/nph.19601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/30/2024] [Indexed: 02/22/2024]
Abstract
Organisms use diverse strategies to thrive in varying habitats. While life history theory partly explains these relationships, the combined impact of resource availability and disturbance frequency on life form strategy evolution has received limited attention. We use Chamaecrista species, a legume plant lineage with a high diversity of plant life forms in the Neotropics, and employ ecological niche modeling and comparative phylogenetic methods to examine the correlated evolution of plant life forms and environmental niches. Chamaephytes and phanerophytes have optima in environments characterized by moderate water and nutrient availability coupled with infrequent fire disturbances. By contrast, annual plants thrive in environments with scarce water and nutrients, alongside frequent fire disturbances. Similarly, geophyte species also show increased resistance to frequent fire disturbances, although they thrive in resource-rich environments. Our findings shed light on the evolution of plant strategies along environmental gradients, highlighting that annuals and geophytes respond differently to high incidences of fire disturbances, with one enduring it as seeds in a resource-limited habitat and the other relying on reserves and root resprouting systems in resource-abundant habitats. Furthermore, it deepens our understanding of how organisms evolve associated with their habitats, emphasizing a constraint posed by low-resource and high-disturbance environments.
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Affiliation(s)
- Luana S Prochazka
- Programa de Pós-graduação em Biodiversidade Vegetal e Meio Ambiente, Instituto de Pesquisas Ambientais, São Paulo, SP, CEP 04301-902, Brazil
- Laboratório de Interações Planta-Animal (LIPA), Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Bernardo do Campo, SP, CEP 09606-045, Brazil
| | - Suzana Alcantara
- Departamento de Botânica, Universidade Federal de Santa Catarina, Florianópolis, SC, CEP 88040-900, Brazil
| | - Juliana Gastaldello Rando
- Programa de Pós-Graduação em Ciências Ambientais, Centro das Ciências Biológicas e da Saúde, Universidade Federal do Oeste da Bahia, Barreiras, BA, CEP 47808-021, Brazil
| | - Thais Vasconcelos
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Raquel C Pizzardo
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Anselmo Nogueira
- Laboratório de Interações Planta-Animal (LIPA), Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Bernardo do Campo, SP, CEP 09606-045, Brazil
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226
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Li J, Liu W, Liu G, Dong Z, He J, Zhao R, Wang W, Li X. Cloning and characterization of luciferase from an Asian firefly Pygoluciola qingyu and its comparison with other beetle luciferases. Photochem Photobiol Sci 2024; 23:719-729. [PMID: 38441849 DOI: 10.1007/s43630-024-00547-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 02/06/2024] [Indexed: 04/16/2024]
Abstract
The bioluminescence system of luminescent beetles has extensive applications in biological imaging, protein labeling and drug screening. To explore wild luciferases with excellent catalytic activity and thermal stability, we cloned the luciferase of Pygoluciola qingyu, one species living in areas of high temperature and with strong bioluminescence, by combining transcriptomic sequencing and reverse transcription polymerase chain reaction (RT-PCR). The total length of luciferase gene is 1638 bp and the luciferase consists 544 amino acids. The recombinant P. qingyu luciferase was produced in vitro and its characteristics were compared with those of eight luciferases from China firefly species and two commercial luciferases. Compared with these luciferases, the P. qingyu luciferase shows the highest luminescence activity at room temperature (about 25-28 ℃) with similar KM value for D-luciferin and ATP to the Photinus pyralis luciferase. The P. qingyu luciferase activity was highest at 35 ℃ and can keep high activity at 30-40 ℃, which suggests the potential of P. qingyu luciferase for in vivo and cell application. Our results provide new insights into P. qingyu luciferase and give a new resource for the application of luciferases.
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Affiliation(s)
- Jun Li
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, Yunnan, China
| | - Wei Liu
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Guichun Liu
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Zhiwei Dong
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Jinwu He
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Ruoping Zhao
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Wen Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China.
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, Yunnan, China.
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, China.
| | - Xueyan Li
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China.
- Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, Yunnan, China.
- Yunnan Key Laboratory of Biodiversity Information, Kunming, 650201, Yunnan, China.
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227
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Blackburn DG, Hughes DF. Phylogenetic analysis of viviparity, matrotrophy, and other reproductive patterns in chondrichthyan fishes. Biol Rev Camb Philos Soc 2024. [PMID: 38562006 DOI: 10.1111/brv.13070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024]
Abstract
The reproductive diversity of extant cartilaginous fishes (class Chondrichthyes) is extraordinarily broad, reflecting more than 400 million years of evolutionary history. Among their many notable reproductive specialisations are viviparity (live-bearing reproduction) and matrotrophy (maternal provision of nutrients during gestation). However, attempts to understand the evolution of these traits have yielded highly discrepant conclusions. Here, we compile and analyse the current knowledge on the evolution of reproductive diversity in Chondrichthyes with particular foci on the frequency, phylogenetic distribution, and directionality of evolutionary changes in their modes of reproduction. To characterise the evolutionary transformations, we amassed the largest empirical data set of reproductive parameters to date covering nearly 800 extant species and analysed it via a comprehensive molecular-based phylogeny. Our phylogenetic reconstructions indicated that the ancestral pattern for Chondrichthyes is 'short single oviparity' (as found in extant holocephalans) in which females lay successive clutches (broods) of one or two eggs. Viviparity has originated at least 12 times, with 10 origins among sharks, one in batoids, and (based on published evidence) another potential origin in a fossil holocephalan. Substantial matrotrophy has evolved at least six times, including one origin of placentotrophy, three separate origins of oophagy (egg ingestion), and two origins of histotrophy (uptake of uterine secretions). In two clades, placentation was replaced by histotrophy. Unlike past reconstructions, our analysis reveals no evidence that viviparity has ever reverted to oviparity in this group. Both viviparity and matrotrophy have arisen by a variety of evolutionary sequences. In addition, the ancestral pattern of oviparity has given rise to three distinct egg-laying patterns that increased clutch (brood) size and/or involved deposition of eggs at advanced stages of development. Geologically, the ancestral oviparous pattern arose in the Paleozoic. Most origins of viviparity and matrotrophy date to the Mesozoic, while a few that are represented at low taxonomic levels are of Cenozoic origin. Coupled with other recent work, this review points the way towards an emerging consensus on reproductive evolution in chondrichthyans while offering a basis for future functional and evolutionary analyses. This review also contributes to conservation efforts by highlighting taxa whose reproductive specialisations reflect distinctive evolutionary trajectories and that deserve special protection and further investigation.
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Affiliation(s)
- Daniel G Blackburn
- Department of Biology & Electron Microscopy Center, Trinity College, 300 Summit St, Hartford, Connecticut, 06106, USA
| | - Daniel F Hughes
- Department of Biology, Coe College, 1220 First Avenue NE, Cedar Rapids, Iowa, 52402, USA
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228
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Possamai Della A, Prado J. Areas of endemism of Pteridaceae (Polypodiopsida) in Brazil: a first approach. Cladistics 2024; 40:157-180. [PMID: 38124237 DOI: 10.1111/cla.12568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/25/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023] Open
Abstract
Areas of endemism (AoE) comprise regions host to two or more endemic taxa, whose distributional limits are congruent and not random. These areas are important for two reasons: they comprise the smallest geographic units for biogeographic analyses and they are priority targets for conservation actions. Ferns are a monophyletic group that despite having a wide geographic distribution, concentrates great species richness and endemism in some regions (centres). The southern and southeastern regions of Brazil comprise one of these centres for the Neotropics. This study aims to verify the AoE of Pteridaceae in Brazil and examine whether the results obtained here are congruent with areas already delimited for other groups and whether there is spatial correspondence between the AoE and Conservation Units. To this end, a database was created with collection records of the 205 Pteridaceae species occurring in Brazil based on a review of herbaria. We analysed 23 815 records for 205 Pteridaceae species using Endemicity Analysis (NDM-VNDM), selecting the fill and assumed parameters, and 1°, 2° and 3° grid-cells. The consensus of 158 AoE, using different grid sizes, was calculated, and subsequently, generalized AoE were established. The Guiana Shield, southern Brazil, southeastern Brazil, and southeastern Bahia were considered generalized AoE. These areas correspond to those found for animals and angiosperms, and in previous studies with ferns. Furthermore, two areas, Acre and Mato Grosso do Sul, were recovered only on grids with 2° and 3°. It will be essential to conduct more research to confirm the persistence of both AoE (Acre and Mato Grosso do Sul), especially after expanding sampling. Most endemic species distribution points occur outside protected areas, demonstrating an alarming situation regarding the conservation of these taxa. In addition, fern distribution data could (and should) be used in conservation practices, programmes and policies, given that they are good ecological indicators and that the distribution of ferns may not reflect that of angiosperms and animals.
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Affiliation(s)
- Aline Possamai Della
- Programa de Pós-Graduação em Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, CEP 05508-090, São Paulo, SP, Brazil
| | - Jefferson Prado
- Instituto de Pesquisas Ambientais, Herbário SP, Av. Miguel Estéfano 3687, CEP 04301-012, São Paulo, SP, Brazil
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Stahlschmidt ZR, Joura H, Makarem JR, Sun JL. Hot and scared: how do heatwaves and predation risk impact resource acquisition and allocation? Biol Lett 2024; 20:20240009. [PMID: 38653332 PMCID: PMC11040502 DOI: 10.1098/rsbl.2024.0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/12/2024] [Accepted: 03/05/2024] [Indexed: 04/25/2024] Open
Abstract
Heatwaves are increasingly prevalent and can constrain investment into important life-history traits. In addition to heatwaves, animals regularly encounter threats from other organisms in their environments, such as predators. The combination of these two environmental factors introduces a decision-making conflict-heat exposure requires more food intake to fuel investment into fitness-related traits, but foraging in the presence of predators increases the threat of mortality. Thus, we used female variable field crickets (Gryllus lineaticeps) to investigate the effects of heatwaves in conjunction with predation risk (exposed food and water sources, and exposure to scent from black widow spiders, Latrodectus hesperus) on resource acquisition (food intake) and allocation (investment into ovarian and somatic tissues). A simulated heatwave increased food intake and the allocation of resources to reproductive investment. Crickets exposed to high predation risk reduced food intake, but they were able to maintain reproductive investment at an expense to investment into somatic tissue. Thus, heatwaves and predation risk deprioritized investment into self-maintenance, which may impair key physiological processes. This study is an important step towards understanding the ecology of fear in a warming world.
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Affiliation(s)
| | - Harnoor Joura
- Department of Biological Sciences, University of the Pacific, Stockton, CA, USA
| | - Jenna R. Makarem
- Department of Biological Sciences, University of the Pacific, Stockton, CA, USA
| | - Jodie L. Sun
- Department of Biological Sciences, University of the Pacific, Stockton, CA, USA
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230
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Lu C, Hao SD, Ha PZ, Huang LB, Dai LZ, Wang JW, Wang L, Zhang ZY, Ren ZG, Wang JZ. A multiplex direct PCR method for the rapid and accurate discrimination of three species of spider mites (Acari: Tetranychidae) in fruit orchards in Beijing. Exp Appl Acarol 2024; 92:403-421. [PMID: 38489086 DOI: 10.1007/s10493-023-00900-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 12/30/2023] [Indexed: 03/17/2024]
Abstract
Spider mites (Acari: Tetranychidae) are polyphagous pests of economic importance in agriculture, among which the two-spotted spider mite Tetranychus urticae Koch has spread widely worldwide as an invasive species, posing a serious threat to fruit tree production in China, including Beijing. The hawthorn spider mite, Amphitetranychus viennensis Zacher, is also a worldwide pest of fruit trees and woody ornamental plants. The cassava mite, Tetranychus truncatus Ehara, is mainly found in Asian countries, including China, Korea and Japan, and mainly affects fruit trees and agricultural crops. These three species of spider mites are widespread and serious fruit tree pests in Beijing. Rapid and accurate identification of spider mites is essential for effective pest and plant quarantine in Beijing orchard fields. The identification of spider mite species is difficult due to their limited morphological characteristics. Although the identification of insect and mite species based on PCR and real-time polymerase chain reaction TaqMan is becoming increasingly common, DNA extraction is difficult, expensive and time-consuming due to the minute size of spider mites. Therefore, the objective of this study was to establish a direct multiplex PCR method for the simultaneous identification of three common species of spider mites in orchards, A. viennensis, T. truncatus and T. urticae, to provide technical support for the differentiation of spider mite species and phytosanitary measures in orchards in Beijing. Based on the mitochondrial cytochrome c oxidase subunit I (COI) of the two-spotted spider mite and the cassava mite and the 18S gene sequence of the hawthorn spider mite as the amplification target, three pairs of specific primers were designed, and the primer concentrations were optimized to establish a direct multiplex PCR system for the rapid and accurate discrimination of the three spider mites without the need for DNA extraction and purification. The method showed a high sensitivity of 0.047 ng for T. truncatus and T. urticae DNA and 0.0002 ng for A. viennensis. This method eliminates the DNA extraction and sequencing procedures of spider mite samples, offers a possibility for rapid monitoring of multiple spider mites in an integrated microarray laboratory system, reducing the time and cost of leaf mite identification and quarantine monitoring in the field.
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Affiliation(s)
- Can Lu
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Shao-Dong Hao
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Pa-Zi Ha
- Agriculture Promotion Center of Qinghe County, Xinjiang, 836200, China
| | - Li-Bin Huang
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Li-Zhen Dai
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Jian-Wen Wang
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Long Wang
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Zhi-Yong Zhang
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Zheng-Guang Ren
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China
| | - Jin-Zhong Wang
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, College of Bioscience and Resource Environment, Beijing University of Agriculture, Beijing, 102206, North China, China.
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Bragard C, Baptista P, Chatzivassiliou E, Di Serio F, Gonthier P, Jaques Miret JA, Justesen AF, Magnusson CS, Milonas P, Navas‐Cortes JA, Parnell S, Potting R, Reignault PL, Stefani E, Thulke H, Van der Werf W, Vicent Civera A, Yuen J, Zappalà L, Grégoire J, Malumphy C, Antonatos S, Kertesz V, Papachristos D, Sfyra O, MacLeod A. Pest categorisation of Crisicoccus seruratus. EFSA J 2024; 22:e8740. [PMID: 38650611 PMCID: PMC11033835 DOI: 10.2903/j.efsa.2024.8740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
Following the commodity risk assessments of Acer palmatum plants grafted on A. davidii from China, in which Crisicoccus matsumotoi (Hemiptera: Pseudococcidae) was identified as a pest of possible concern, the European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of C. matsumotoi for the territory of the European Union. Recent taxonomic revision of the genus Crisisoccus concluded that C. matsumotoi is a synonym of C. seruratus; therefore, the categorisation will use the current valid name C. seruratus. It is an insect pest native to Japan, feeding on species in 13 plant families. There are reports of its presence also in China and the Republic of Korea, but there is great uncertainty about the identity of the species for these records. Therefore, there is uncertainty about the species referred to as C. matsumotoi in the commodity risk assessments of A. palmatum. C. seruratus is a multivoltine species. It has three generations per year and overwinters as a nymph. The most important crops that may be affected by C. seruratus are figs (Ficus carica), grapes (Vitis spp.), nashi pears (Pyrus pyrifolia var. culta), persimmons (Diospyros kaki) and walnuts (Juglans regia). Plants for planting and fruits provide potential pathways for entry into the EU. Host availability and climate suitability suggest that the central, northern and some areas of southern EU countries would be suitable for the establishment of C. seruratus. The introduction of this mealybug would likely have an economic impact in the EU through yield reduction and fruit downgrading because of honeydew deposition and the consequent growth of sooty moulds. This insect is not listed in Annex II of Commission Implementing Regulation (EU) 2019/2072. Phytosanitary measures are available to reduce the likelihood of entry and spread of this species into the EU. C. seruratus satisfies the criteria that are within the remit of EFSA to assess for it to be regarded as a potential Union quarantine pest.
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232
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Velasco-Cárdenas AF, Jacome-García JC, Pádua DG, Kloss TG. Behavioral Modification of Leucauge mariana Induced by an Ichneumonid Spider-Parasitoid, Hymenoepimecis castilloi, in the Colombian Andes. Neotrop Entomol 2024; 53:364-371. [PMID: 38133732 PMCID: PMC11021313 DOI: 10.1007/s13744-023-01110-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023]
Abstract
Hymenoepimecis is a genus of Darwin wasps in the Polysphincta group of genera (Hymenoptera: Ichneumonidae: Pimplinae) known as ectoparasitoids of a broad spectrum of spiders. The parasitoid induces production of a web known as cocoon web, which provides shelter and support for the wasp pupa. In this study, we describe for the first time the interaction between Hymenoepimecis castilloi Pádua & Sääksjärvi (Hymenoptera: Ichneumonidae) and its host spider Leucauge mariana (Taczanowski) (Araneae: Tetragnathidae) in the Colombian Andes, provide new records of wasp genus distribution, and described the behavioral modifications induced in the spider. Web modifications occurred in the webs of both solitary and aggregated individuals. Adhesive spirals were lacking, and webs were connected to vegetation by multiple threads in all cocoon webs, which was not seen attached to webs of non-parasitized spiders. All parasitoid cocoons were observed hanging on a vertical line in the hub of the cocoon web. As previously described for other species, we believe that this modified web design results in increased web strength and favors parasitoid development during the pupal stage.
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Affiliation(s)
- Andrés F Velasco-Cárdenas
- Grupo Diversitas, Facultad de Ciencias Básicas y Aplicadas, Univ Militar Nueva Granada, Cajicá, Colombia.
| | | | - Diego G Pádua
- Programa de Pós-Graduação Em Entomologia, Instituto Nacional de Pesquisas da Amazônia - INPA, Manaus, Amazonas, Brazil
- Centro de Investigación de Estudios Avanzados del Maule, Vicerrectoría de Investigación y Postgrado, Univ Católica del Maule, Talca, Maule, Chile
| | - Thiago G Kloss
- Lab of Behavioral Ecology, Dept of General Biology, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil
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233
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Soares GB, Adriano EA, Domingues MV, Rodríguez-González A, Balbuena JA. Evolutionary morphology of haptoral anchors in monogenoids (Dactylogyridae) of marine catfish (Siluriformes: Ariidae) from the Atlantic coast of South America. Parasitology 2024; 151:390-399. [PMID: 38389483 PMCID: PMC11044069 DOI: 10.1017/s0031182024000192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
Exploring the phylogenetic signal of morphological traits using geometric morphometry represents a powerful approach to assess the relative weights of convergence and shared evolutionary history in shaping species' forms. We evaluated the phylogenetic signal in shape and size of ventral and dorsal haptoral anchors of 10 species of monogenoids (Hamatopeduncularia, Chauhanellus and Susanlimocotyle) occurring in marine catfish (Siluriformes: Ariidae) from the Atlantic coast of South America. The phylogenetic relationships among these species were mapped onto the morphospaces of shape and size of dorsal and ventral anchors. Two different tests (squared change-parsimony and Kmult) were applied to establish whether the spatial positions in the phylomorphospace were influenced by phylogenetic relationships. A significant phylogenetic signal was found between anchor form and parasite phylogeny. Allometric effects on anchor shape were non-significant. Phylogenetically distant species on the same host differed markedly in anchor morphology, suggesting little influence of host species on anchor form. A significantly higher level of shape variation among ventral anchors was also found, suggesting that the evolutionary forces shaping ventral anchor morphology may operate with differing intensities or exhibit distinct mechanisms compared to their dorsal counterparts. Our results suggest that phylogenetic relationships were a key driver of changes in shape (but not size) of anchors of monogenoids of South American ariids. However, it seems that the emergence of the digitiform haptor in Hamatopenducularia and in some species of Chauhanellus played an important role in the reduction in anchor size and may cause secondary losses of anchors in other groups of monogenoids.
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Affiliation(s)
- Geusivam Barbosa Soares
- Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Edson Aparecido Adriano
- Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, São Paulo, Brazil
- Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Paulo (UNIFESP), Diadema, São Paulo, Brazil
| | | | - Abril Rodríguez-González
- Universidad Nacional Autónoma de México (UNAM), Instituto de Biología, Laboratorio de Helmintología, Ciudad de México, México
| | - Juan Antonio Balbuena
- Institut Cavanilles de Biodiversitat i Biologia Evolutiva, Universitat de València, Valencia, Spain
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234
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Polizeli L, Pinto ÂP. A Taxonomic Revision of the South American Trilobite Cockroaches of Parahormetica Brunner von Wattenwyl 1865 (Blattodea: Blaberidae), with Description of Parahormetica museunacional sp. nov. from the Atlantic Forest. Neotrop Entomol 2024; 53:277-303. [PMID: 38446382 DOI: 10.1007/s13744-024-01129-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/04/2024] [Indexed: 03/07/2024]
Abstract
The taxonomically intricate genus of trilobite cockroaches, Parahormetica Brunner von Wattenwyl, 1865, is revised based on a comparative morphological analysis. The goals of this study are to review the nomenclature, propose hypotheses about specific delimitation, and provide diagnoses to allow identification of the taxonomic units in the genus. Based on the revised status of Parahormetica, we transferred Parahormetica hylaeceps Miranda-Ribeiro, 1936, and Parahormetica punctata Saussure, 1873, to the genus Bionoblatta Rehn, 1940. Therefore, the genus includes now four species of giant cockroaches which are predominantly distributed on the Atlantic Forest: Parahormetica bilobata (Saussure, 1864), Parahormetica cicatricosa Saussure, 1869, Parahormetica monticollis (Burmeister, 1838), and Parahormetica museunacional sp. nov. (holotype male deposited in DZUP: Brazil, Paraná). Diagnoses, key, distribution maps, images of living, non-type, and type specimens are made available. Our results make clear that the status and limits among Brachycolini genera pending a full revision.
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Affiliation(s)
- Leonardo Polizeli
- Programa de Pós-Graduação em Ciências Biológicas (Entomologia), Univ Federal Do Paraná, Curitiba, Paraná, Brazil.
- Lab of Systematics On Aquatic Insects (LABSIA), Depto de Zoologia, Univ Federal Do Paraná, Curitiba, PR, Brazil.
| | - Ângelo Parise Pinto
- Lab of Systematics On Aquatic Insects (LABSIA), Depto de Zoologia, Univ Federal Do Paraná, Curitiba, PR, Brazil
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235
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Malta LGF, Koerich LB, D'Ávila Pessoa GC, Araujo RN, Sant'Anna MRV, Pereira MH, Gontijo NF. Clogmia albipunctata (Williston, 1893) midgut physiology: pH control and functional relationship with Lower Diptera (nematoceran) especially with hematophagous species. Comp Biochem Physiol A Mol Integr Physiol 2024; 290:111584. [PMID: 38224901 DOI: 10.1016/j.cbpa.2024.111584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/17/2024]
Abstract
Clogmia albipunctata (Williston, 1893) is a non-hematophagous insect belonging to the order Diptera, suborder Nematocera (Lower Diptera) and family Psychodidae. In the present work, we investigated how C. albipunctata control their midgut pH under different physiological conditions, comparing their midgut physiology with some nematoceran hematophagous species. The C. albipunctata midgut pH was measured after ingestion of sugar, protein and under the effect of the alkalinizing hormone released in the hemolymph of the hematophagous sand fly Lutzomyia longipalpis obtained just after a blood meal. The midgut pH of unfed or sugar-fed C. albipunctata is 5.5-6, and its midgut underwent alkalinization after protein ingestion or under treatment with hemolymph collected from blood fed L. longipalpis. These results suggested that in nematocerans, mechanisms for pH control seem shared between hematophagous and non-hematophagous species. This kind of pH control is convenient for successful blood digestion. The independent evolution of many hematophagous groups from the Lower Diptera suggests that characteristics involved in midgut pH control were already present in non-hematophagous species and represent a readiness for adaptation to this feeding mode.
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Affiliation(s)
- Luccas Gabriel Ferreira Malta
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Leonardo Barbosa Koerich
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Grasielle Caldas D'Ávila Pessoa
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Ricardo N Araujo
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Mauricio Roberto Viana Sant'Anna
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Marcos H Pereira
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil
| | - Nelder Figueiredo Gontijo
- Laboratório de Fisiologia de Insetos Hematófagos, Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Parasitologia, Pampulha, Belo Horizonte, Minas Gerais, Brazil.
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236
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Camarda D, Massa E, Guidetti R, Lisi O. A new, simplified, drying protocol to prepare tardigrades for scanning electron microscopy. Microsc Res Tech 2024; 87:716-726. [PMID: 37983688 DOI: 10.1002/jemt.24460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/20/2023] [Accepted: 11/08/2023] [Indexed: 11/22/2023]
Abstract
A new protocol for preparation of tardigrades for scanning electron microscope (SEM) analysis is proposed. The more conventional protocols require various steps and a long time to obtain good drying of water bears, together with specific and uncommon instruments (i.e., critical point dryer) or highly volatile toxic compounds (i.e., hexametildisilazane). The new protocol can be performed using few and simple instruments and materials, all easily accessible, and produces a high yield in terms of dried animals in excellent condition for the observation of external morphological structures with SEM. The acquired data exhibit considerable promise, and the proposed methodology shows potential for application to other meiofaunal groups, including small arthropods, nematodes, and rotifers. RESEARCH HIGHLIGHTS: Cheap, safe, and fast new method for Tardigrada preparation for SEM. With the new protocol, the number of animals required for SEM studies is minimized. New protocol is potentially applicable to the study of other meiofaunal soft-bodied taxa.
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Affiliation(s)
- Daniele Camarda
- Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
| | - Edoardo Massa
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Roberto Guidetti
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Oscar Lisi
- Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
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237
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Romig T, Wassermann M. Echinococcus species in wildlife. Int J Parasitol Parasites Wildl 2024; 23:100913. [PMID: 38405672 PMCID: PMC10884515 DOI: 10.1016/j.ijppaw.2024.100913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/27/2024]
Abstract
Transmission of Echinococcus spp. in life cycles that involve mainly wildlife is well recognized for those species with small mammals as intermediate hosts (e. g. E. multilocularis), as well as for E. felidis and the 'northern' genotypes of E. canadensis (G8 and G10). In contrast, the remaining taxa of E. granulosus sensu lato are best known for their domestic life cycles, and the numerous wild mammal species (mainly ungulates) that have been recorded with cystic echinococcosis in the past were mainly considered a result of spill-over from the dog-livestock transmission system. This view was challenged with the advent of molecular characterization, allowing discrimination of the metacestodes, although the contribution of wild mammals to various Echinococcus life cycles has remained uncertain for scarcity of wildlife studies. Numerous records of cysts in wild ungulates date back to the 20th century, but cannot with certainty be allocated to the Echinococcus species and genotypes that are recognized today. This means that our current knowledge is largely restricted to studies of the past two decades that kept adding gradually to our concepts of transmission in various geographic regions. In particular, new insights were gathered in the past years on E. granulosus s.l. in wildlife of sub-Saharan Africa, but also on transmission patterns of E. multilocularis in previously neglected regions, e. g. North America. Here, an update is provided on the current state of knowledge on wild mammals as hosts for all Echinococcus species, listing >150 species of wild hosts with references, as well as estimates on their epidemiological impact and our current gaps of knowledge.
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Affiliation(s)
- Thomas Romig
- University of Hohenheim, Parasitology Unit, 70599, Stuttgart, Germany
- University of Hohenheim, Center for Biodiversity and Integrative Taxonomy, 70599, Stuttgart, Germany
| | - Marion Wassermann
- University of Hohenheim, Parasitology Unit, 70599, Stuttgart, Germany
- University of Hohenheim, Center for Biodiversity and Integrative Taxonomy, 70599, Stuttgart, Germany
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238
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Sato S, Derkarabetian S, Valdez-Mondragón A, Pérez-González A, Benavides LR, Daniels SR, Giribet G. Under the hood: Phylogenomics of hooded tick spiders (Arachnida, Ricinulei) uncovers discordance between morphology and molecules. Mol Phylogenet Evol 2024; 193:108026. [PMID: 38341007 DOI: 10.1016/j.ympev.2024.108026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/14/2023] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Ricinulei or hooded tick-spiders are a cryptic and ancient group of arachnids. The order consists of around 100 highly endemic extant species restricted to the Afrotropics and the Neotropics along with 22 fossil species. Their antiquity and low vagility make them an excellent group with which to interrogate biogeographic questions. To date, only four molecular analyses have been conducted on the group and they failed to resolve the relationships of the main lineages and even recovering the non-monophyly of the three genera. These studies were limited to a few Sanger loci or phylogenomic analyses with at most seven ingroup samples. To increase phylogenetic resolution in this little-understood and poorly studied group, we present the most comprehensive phylogenomic study of Ricinulei to date leveraging the Arachnida ultra-conserved element probe set. With a data set of 473 loci across 96 ingroup samples, analyses resolved a monophyletic Neotropical clade consisting of four main lineages. Two of them correspond to the current genera Cryptocellus and Pseudocellus while topology testing revealed one lineage to likely be a phylogenetic reconstruction artefact. The fourth lineage, restricted to Northwestern, Andean South America, is consistent with the Cryptocellus magnus group, likely corresponding to the historical genus Heteroricinoides. Since we did not sample the type species for this old genus, we do not formally re-erect Heteroricinoides but our data suggest the need for a thorough morphological re-examination of Neotropical Ricinulei.
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Affiliation(s)
- Shoyo Sato
- Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
| | - Shahan Derkarabetian
- Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Alejandro Valdez-Mondragón
- Collection of Arachnology (CARCIB), Programa Académico de Planeación Ambiental y Conservación (PLAYCO), Centro de Investigaciones Biológicas del Noroeste (CIBNOR), S.C., La Paz, Baja California Sur, Mexico
| | - Abel Pérez-González
- Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Ligia R Benavides
- Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Savel R Daniels
- Department of Botany and Zoology, Private Bag X1, Stellenbosch University, Matieland, Stellenbosch, South Africa
| | - Gonzalo Giribet
- Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA
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239
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Hoenle PO, Plowman NS, Matos-Maraví P, de Bello F, Bishop TR, Libra M, Idigel C, Rimandai M, Klimes P. Forest disturbance increases functional diversity but decreases phylogenetic diversity of an arboreal tropical ant community. J Anim Ecol 2024; 93:501-516. [PMID: 38409804 DOI: 10.1111/1365-2656.14060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 01/19/2024] [Indexed: 02/28/2024]
Abstract
Tropical rainforest trees host a diverse arthropod fauna that can be characterised by their functional diversity (FD) and phylogenetic diversity (PD). Human disturbance degrades tropical forests, often coinciding with species invasion and altered assembly that leads to a decrease in FD and PD. Tree canopies are thought to be particularly vulnerable, but rarely investigated. Here, we studied the effects of forest disturbance on an ecologically important invertebrate group, the ants, in a lowland rainforest in New Guinea. We compared an early successional disturbed plot (secondary forest) to an old-growth plot (primary forest) by exhaustively sampling their ant communities in a total of 852 trees. We expected that for each tree community (1) disturbance would decrease FD and PD in tree-dwelling ants, mediated through species invasion. (2) Disturbance would decrease ant trait variation due to a more homogeneous environment. (3) The main drivers behind these changes would be different contributions of true tree-nesting species and visiting species. We calculated FD and PD based on a species-level phylogeny and 10 ecomorphological traits. Furthermore, we assessed by data exclusion the influence of species, which were not nesting in individual trees (visitors) or only nesting species (nesters), and of non-native species on FD and PD. Primary forests had higher ant species richness and PD than secondary forest. However, we consistently found increased FD in secondary forest. This pattern was robust even if we decoupled functional and phylogenetic signals, or if non-native ant species were excluded from the data. Visitors did not contribute strongly to FD, but they increased PD and their community weighted trait means often varied from nesters. Moreover, all community-weighted trait means changed after forest disturbance. Our finding of contradictory FD and PD patterns highlights the importance of integrative measures of diversity. Our results indicate that the tree community trait diversity is not negatively affected, but possibly even enhanced by disturbance. Therefore, the functional diversity of arboreal ants is relatively robust when compared between old-growth and young trees. However, further study with higher plot-replication is necessary to solidify and generalise our findings.
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Affiliation(s)
- Philipp O Hoenle
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czech Republic
| | - Nichola S Plowman
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czech Republic
- Faculty of Science, University of South Bohemia, Ceske Budejovice, Czech Republic
| | - Pável Matos-Maraví
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czech Republic
| | - Francesco de Bello
- Faculty of Science, University of South Bohemia, Ceske Budejovice, Czech Republic
- Centro de Investigaciones sobre Desertificación (CSIC-UV-GV), Valencia, Spain
| | - Tom R Bishop
- School of Biosciences, Cardiff University, Cardiff, UK
- Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa
| | - Martin Libra
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czech Republic
| | - Cliffson Idigel
- New Guinea Binatang Research Center, Madang, Papua New Guinea
| | - Maling Rimandai
- New Guinea Binatang Research Center, Madang, Papua New Guinea
| | - Petr Klimes
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Ceske Budejovice, Czech Republic
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240
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Foffa D, Nesbitt SJ, Butler RJ, Brusatte SL, Walsh S, Fraser NC, Barrett PM. The osteology of the Late Triassic reptile Scleromochlus taylori from μCT data. Anat Rec (Hoboken) 2024; 307:1113-1146. [PMID: 37846180 DOI: 10.1002/ar.25335] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/10/2023] [Accepted: 09/18/2023] [Indexed: 10/18/2023]
Abstract
Scleromochlus taylori is one of the most enigmatic members of the herpetofauna from the Lossiemouth Sandstone Formation (Upper Triassic) of Elgin (Moray, Scotland). For many years it was thought to be closely related to pterosaurs and dinosaurs, but the anatomy of this animal is difficult to interpret because of the notoriously poor preservation of the six available specimens, which comprise void space in the sandstone after the bones were destroyed by diagenesis. Historically, these fossils have been studied using physical molds, which provide only incomplete, and potentially distorted, information. Due to these uncertainties, interpretations of the anatomy, phylogenetic relationships, and paleobiology of Scleromochlus taylori have remained contentious. Here, we use microcomputed tomographic (μCT) techniques to redescribe and illustrate the osteology of Scleromochlus in detail, building upon a short redescription of keystone features of the anatomy that we recently published. We digitally visualize, describe, and figure previously inaccessible-and thus unaltered-portions of its skeleton, as well as providing new observations on the exposed parts of each specimen. This work reveals many novel features of the skull, mandible, trunk, tail, girdles, forelimb, and hindlimb (particularly of the manus, femur, and pes), demonstrating that historic molding techniques failed, in some cases, to accurately capture the anatomy of Scleromochlus. Our review sheds light on some of the most controversial aspects of Scleromochlus morphology showing that this taxon retains plesiomorphic features of Avemetatarsalia in the postcranial skeleton, alongside a suite of synapomorphies diagnostic of pterosauromorphs (the broad clade of pterosaurs and taxa more closely related to them than dinosaurs), particularly one subgroup, the lagerpetids. Consistent with recent work, our updated phylogenetic analyses (Maximum Parsimony and Bayesian Inference) demonstrate that Scleromochlus taylori is an avemetatarsalian archosaur that is recovered firmly in an early diverging position within Pterosauromorpha, as a member of Lagerpetidae, thus shedding important information on the origin of pterosaurs, the first group of vertebrates to evolve powered flight.
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Affiliation(s)
- Davide Foffa
- Department of Natural Sciences, National Museums Scotland, Edinburgh, UK
- Department of Geosciences, Virginia Tech, Blacksburg, Virginia, USA
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | | | - Richard J Butler
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Stephen L Brusatte
- Department of Natural Sciences, National Museums Scotland, Edinburgh, UK
- School of GeoSciences, University of Edinburgh, Grant Institute, Edinburgh, UK
| | - Stig Walsh
- Department of Natural Sciences, National Museums Scotland, Edinburgh, UK
- School of GeoSciences, University of Edinburgh, Grant Institute, Edinburgh, UK
| | - Nicholas C Fraser
- Department of Natural Sciences, National Museums Scotland, Edinburgh, UK
- School of GeoSciences, University of Edinburgh, Grant Institute, Edinburgh, UK
| | - Paul M Barrett
- Fossil Reptiles, Amphibians and Birds Section, Natural History Museum, London, UK
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241
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Dik B, Yamac E. New data on the chewing lice (Psocodea: Phthiraptera) of domestic and wild birds in Türkiye. Vet Parasitol Reg Stud Reports 2024; 49:101000. [PMID: 38462309 DOI: 10.1016/j.vprsr.2024.101000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 03/12/2024]
Abstract
This study was carried out to detect the chewing lice species of domestic and wild birds in Türkiye, between the years of 2014-2021, and whether there is a correlation between the number of bird species and individuals and the prevalence, mean intensity and species of chewing lice. For this purpose, 206 bird samples as injured, or found dead on roads and gardens between these dates, in seventeen orders were examined for chewing lice. Of the 206 wild birds examined, 135 (65.53%) were infested with lice. A total of 73, of which 34 were Amblyceran and 39 were Ischnoceran chewing lice species, were identified. The genera Acidoproctus, Aegypoecus, Bonomiella, Esthiopterum, Gruimenopon, Heleonomus, Neopsittaconirmus, and the species Acidoproctus moschatae, Aegypoecus spp. (nymph), Amyrsidea minuta, Ardeicola maculatus, Ardeicola stellaris, Bonomiella columbae, Brueelia tasniemae, Colpocephalum nigrae, Colpocephalum percnopteri, Colpocephalum zerafae, Ciconiphilus pectiniventris, Esthiopterum gruis, Goniodes pavonis, Gruimenopon longum, Guimaraesiella amsel, Heleonomus macilentus, Kurodaia cryptostigmata, Kurodaia subpachygaster, Menacanthus kaddoui, Myrsidea isostoma, Neophilopterus tricolor, Neopsittaconirmus spp. (nymph), Pseudomenopon dolium, and Rallicola minutus are reported here for the first time. Based on statistical analysis, the host species and individual numbers are correlated with lice species numbers. It was also found that the host individual number is correlated with the mean intensity of the lice. Our results indicate that a large number of samples belonging to different host species are important in terms of data reliabilty.
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Affiliation(s)
- Bilal Dik
- Department of Parasitology, Veterinary Faculty, Selçuk University, 42250, Selçuklu-Konya, Türkiye.
| | - Elif Yamac
- Department of Biology, Faculty of Science, Eskişehir Technical University, Eskişehir, Türkiye
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242
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Moro D, Damke LVS, Müller RT, Kerber L, Pretto FA. An unusually robust specimen attributed to Buriolestes schultzi (Dinosauria: Sauropodomorpha) from the Late Triassic of southern Brazil. Anat Rec (Hoboken) 2024; 307:1025-1059. [PMID: 37725325 DOI: 10.1002/ar.25319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/21/2023]
Abstract
Buriolestes schultzi is a small sauropodomorph dinosaur from Carnian beds (ca., 233 Ma) of southern Brazil. It is one of the earliest members of that lineage and is a key taxon to investigate the initial evolution of Sauropodomorpha. Here, we attribute a new specimen to B. schultzi from Late Triassic of southern Brazil, which represents the first occurrence of the taxon outside the type locality. The new specimen comprises a disarticulated and partial skeleton, including cranial and postcranial elements. It is tentatively regarded as an additional specimen of B. schultzi according to a unique combination of traits (including autapomorphies). Conversely, the new specimen is stouter than the other specimens of B. schultzi, as shown by femoral Robustness Index. Based on femoral circumference, the estimated body mass of the new specimen is approximately 15 kg, which is far higher than the previous estimations for other specimens of B. schultzi (i.e., approximately 7 kg). In fact, the new specimen and some specimens of Eoraptor lunensis and Saturnalia tupiniquim were found to be significantly stouter than coeval sauropodomorphs. Therefore, instead of all being constructed as gracile, the earliest sauropodomorphs experienced an unappreciated intraspecific variation in robustness. This is interesting because more precise data on species body mass are crucial in order to better understand the complex terrestrial ecosystems in which dinosaurs originated.
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Affiliation(s)
- Débora Moro
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
| | - Lísie Vitória Soares Damke
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
| | - Rodrigo Temp Müller
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
| | - Leonardo Kerber
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
| | - Flávio Augusto Pretto
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
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243
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Garcia MS, Cabreira SF, da Silva LR, Pretto FA, Müller RT. A saurischian (Archosauria, Dinosauria) ilium from the Upper Triassic of southern Brazil and the rise of Herrerasauria. Anat Rec (Hoboken) 2024; 307:1011-1024. [PMID: 37971103 DOI: 10.1002/ar.25342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/21/2023] [Accepted: 10/03/2023] [Indexed: 11/19/2023]
Abstract
The Carnian (Upper Triassic) rocks of the Candelária Sequence present a rich record of dinosaurs, including some of the oldest known dinosaurs worldwide. In this contribution we describe the first unequivocal dinosaur from the Pivetta site, located in the Restinga Sêca municipality, Southern Brazil. The specimen CAPPA/UFSM 0373 is an isolated but well-preserved left ilium. A thorough examination of the specimen's anatomy and a phylogenetic analysis provides evidence that CAPPA/UFSM 0373 belongs to the Herrerasauria. We were able to identify several similarities with potential non-herrerasaurid herrerasaurians (e.g., Tawa hallae, "Caseosaurus crosbyensis"), which were previously only known from North American deposits. In contrast, herrerasaurids (e.g., Herrerasaurus ischigualastensis) are almost exclusively known from South America. Our results support the nesting of CAPPA/UFSM 0373 as an early-diverging herrerasaurian. Furthermore, this is potentially the first record of a non-herrerasaurid herrerasaurian in unambiguous Carnian beds, suggesting a hidden diversity of dinosaurs in the Carnian rocks of the Candelária Sequence, which can be revealed even by fragmentary specimens.
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Affiliation(s)
- Mauricio Silva Garcia
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
| | | | | | - Flávio Augusto Pretto
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
| | - Rodrigo Temp Müller
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, Rio Grande do Sul, Brazil
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244
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Lai Y, Li K, Liu X. Comprehensive DNA barcode reference library and optimization of genetic divergence threshold facilitate the exploration of species diversity of green lacewings (Neuroptera: Chrysopidae). Insect Sci 2024; 31:613-632. [PMID: 37479953 DOI: 10.1111/1744-7917.13254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 07/23/2023]
Abstract
Chrysopidae are a family of Neuroptera of significant importance in biocontrol against agricultural pests because of their predatory larvae. Currently, the taxonomy of Chrysopidae lacks a comprehensive revision, which impedes the exploration of species diversity as well as the selection and the conservation of green lacewings as biocontrol agents. We have established a DNA barcode reference library of the Chinese green lacewings based on an approximately complete sampling (95.63%) in 25 of the 34 provincial regions in China, comprising 1 119 barcodes of 25 genera and 197 species (representing 85% genera and 43.62% species from China). Combining other 1 049 high quality green lacewing DNA barcodes, we first inferred the optimal threshold of interspecific genetic divergence (1.87%) for successful species identification in multiple simulated scenarios based on present data. We further inferred the threshold of genetic divergence (7.77%) among genera with biocontrol significance. The inference and performance of the threshold appears to be mainly associated with the completeness of sampling, the proportion of closely related species, and the analytical approaches. Six new combinations, Apertochrysa platypa (Yang & Yang, 1991) comb. nov., Apertochrysa shennongana (Yang & Wang, 1990) comb. nov., Apertochrysa pictifacialis (Yang, 1988) comb. nov., Apertochrysa helana (Yang, 1993) comb. nov., Plesiochrysa rosulata (Yang & Yang, 2002) comb. nov., and Signochrysa hainana (Yang & Yang, 1991), are proposed according to integrative species delimitation. Our library and optimal threshold will effectively facilitate the exploration of species diversity of green lacewings. Our study also provides a methodological reference in molecular delimitation of other insects.
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Affiliation(s)
- Yan Lai
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, China
| | - Kaiyu Li
- College of Biological Sciences, China Agricultural University, Beijing, China
| | - Xingyue Liu
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, China
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245
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Ribeiro SA, de Sousa Antunes LF, de Almeida Cardoso E, Dos Santos Souza W, Dos Santos Pires MJFC, Correia MEF. Evaluation of the consumption of agricultural and urban waste by the diplopod Trigoniulus corallinus as a strategy for formulating new combinations for the millicomposting process. Environ Sci Pollut Res Int 2024; 31:25500-25507. [PMID: 38472571 DOI: 10.1007/s11356-024-32778-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/01/2024] [Indexed: 03/14/2024]
Abstract
This study aimed to measure the consumption of different types of plant waste by the diplopod species Trigoniulus corallinus, in order to determine which would be the most suitable for the millicomposting process. To this end, a waste consumption experiment was carried out in the laboratory, using a completely randomized experimental design with 15 replicates and 13 organic residues from different sources. After 10 days, the following parameters were evaluated: dry mass of the waste used to feed the diplopods, dry mass of the fecal pellets, and diplopod mortality. Significant differences were observed in the consumption rates of the diplopods in the different treatments, with the highest rates being observed for Mimosa caesalpiniifolia, with 44.49%, followed by Gliricidia sepium chips, with 38.24%. The highest values for pellet mass were obtained from the decomposition of Mimosa caesalpiniifolia litter (0.891 g). The treatment with Syngonium auritum shavings showed 93% mortality after consumption, followed by the treatment with Heliconia psittacorum shavings, which showed 53%. Both species are ornamental and widely found in gardens and backyards. The diplopods have a preference for Mimosa caesalpiniifolia litter and Gliricidia sepium shavings. There is limited consumption of ornamental plant waste, with reports of toxicity to other organisms. Based on these results, a mixture of waste will be tested for millicomposting in urban farming areas that excludes toxic plants.
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246
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Partemi R, Debortoli N, Martínez A, Kamburska L, Souffreau C, Matheve H, Vantieghem P, De Meester L, van Doninck K, Merckx T, Fontaneto D. Weak effect of urbanization on bdelloid rotifers living in lichens. R Soc Open Sci 2024; 11:231978. [PMID: 38633346 PMCID: PMC11021934 DOI: 10.1098/rsos.231978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 04/19/2024]
Abstract
Human activities have an overwhelming impact on the natural environment, leading to a deep biodiversity crisis whose effects range from genes to ecosystems. Here, we analysed the effect of such anthropogenic impacts on bdelloid rotifers (Rotifera Bdelloidea), for whom these effects are poorly understood. We targeted bdelloid rotifers living in lichen patches across urbanization gradients in Flanders and Brussels (Belgium). Urbanization was measured as the percentage of built-up area (BU) across different spatial scales, at circles from 50 to 3200 m of radius around the lichen. Urbanization effects on biodiversity were assessed on abundance, species richness and community-weighted mean body size of bdelloid rotifers, as well as on genetic diversity of a mitochondrial marker (cytochrome c oxidase subunit I) of one of the most common and widespread bdelloid species, Adineta vaga. Overall, no negative effect of urbanization was found at any diversity level and any spatial scale. Counterintuitively, the BU area quantified at the largest spatial scale had a positive effect on abundance. These results leave open the question of whether negative effects of urbanization are present for bdelloid rotifers, if they are mediated by other unexplored drivers, or if such effects are only visible at even larger spatial scales.
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Affiliation(s)
- Rebecca Partemi
- Department of Chemical and Geological Sciences, Modena and Reggio-Emilia University, Modena41125, Italy
- National Research Council of Italy (CNR), Water Research Institute (IRSA), Verbania Pallanza, 28922, Italy
| | | | - Alejandro Martínez
- National Research Council of Italy (CNR), Water Research Institute (IRSA), Verbania Pallanza, 28922, Italy
| | - Lyudmila Kamburska
- National Research Council of Italy (CNR), Water Research Institute (IRSA), Verbania Pallanza, 28922, Italy
- National Biodiversity Future Center (NBFC), Palermo90133, Italy
| | - Caroline Souffreau
- Laboratory of Freshwater Ecology, Evolution & Conservation, KU Leuven, Charles Deberiotstraat 32, Leuven3000, Belgium
| | - Hans Matheve
- Terrestrial Ecology Unit, Department of Biology, Ghent University, Gent9000, Belgium
| | - Pieter Vantieghem
- Terrestrial Ecology Unit, Department of Biology, Ghent University, Gent9000, Belgium
| | - Luc De Meester
- Laboratory of Freshwater Ecology, Evolution & Conservation, KU Leuven, Charles Deberiotstraat 32, Leuven3000, Belgium
- Leibniz Institut für Gewässerökologie und Binnenfischerei (IGB), Berlin12587, Germany
- Institute of Biology, Freie Universität Berlin, Berlin14195, Germany
| | - Karine van Doninck
- Research Unit in Molecular Biology and Evolution, DBO, Université libre de Bruxelles (ULB), Brussels1050, Belgium
| | - Thomas Merckx
- WILD, Biology Department, Vrije Universiteit Brussel (VUB), Brussels1050, Belgium
| | - Diego Fontaneto
- National Research Council of Italy (CNR), Water Research Institute (IRSA), Verbania Pallanza, 28922, Italy
- National Biodiversity Future Center (NBFC), Palermo90133, Italy
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247
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Reyes WA, Martz JW, Small BJ. Garzapelta muelleri gen. et sp. nov., a new aetosaur (Archosauria: Pseudosuchia) from the Late Triassic (middle Norian) middle Cooper Canyon Formation, Dockum Group, Texas, USA, and its implications on our understanding of the morphological disparity of the aetosaurian dorsal carapace. Anat Rec (Hoboken) 2024; 307:1271-1299. [PMID: 38206046 DOI: 10.1002/ar.25379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/11/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
The Late Triassic Dockum Group in northwestern Texas preserves a rich diversity of pseudosuchian taxa, particularly of aetosaurs. In this contribution, we present Garzapelta muelleri gen. et sp. nov., a new aetosaur from the Late Triassic middle Cooper Canyon Formation (latest Adamanian-earliest Revueltian teilzones) in Garza County, Texas, based on an associated specimen that preserves a significant portion of its dorsal carapace. The carapace of G. muelleri exhibits a striking degree of similarity between that of the paratypothoracin Rioarribasuchus chamaensis and desmatosuchins. We quantitatively assessed the relationships of G. muelleri using several iterations of the matrix. Scoring the paramedian and lateral osteoderms of G. muelleri independently results in conflicting topologies. Thus, it is evident that our current matrix is limited in its ability to discern the convergence within this new taxon and that our current character lists are not fully accounting for the morphological disparity of the aetosaurian carapace. Qualitative comparisons suggest that G. muelleri is a Rioarribasuchus-like paratypothoracin with lateral osteoderms that are convergent with those of desmatosuchins. Although the shape of the dorsal eminence, and the presence of a dorsal flange that is rectangular and proportionately longer than the lateral flange are desmatosuchin-like features of G. muelleri, the taxon does not exhibit the articulation style between the paramedian and lateral osteoderms which diagnose the Desmatosuchini (i.e., a rigid interlocking contact, and an anteromedial edge of the lateral osteoderm that overlaps the adjacent paramedian osteoderm).
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Affiliation(s)
- William A Reyes
- Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas, USA
| | - Jeffrey W Martz
- The Museum of Texas Tech University, Lubbock, Texas, USA
- Department of Natural Sciences, The University of Houston-Downtown, Houston, Texas, USA
| | - Bryan J Small
- The Museum of Texas Tech University, Lubbock, Texas, USA
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Müller RT, Garcia MS, Bem FP, Damke LVS, Fonseca AO, Da-Rosa ÁAS. On a skeletally immature individual of Unaysaurus tolentinoi (Dinosauria: Sauropodomorpha) from the upper Triassic of southern Brazil. Anat Rec (Hoboken) 2024; 307:1071-1083. [PMID: 37409690 DOI: 10.1002/ar.25285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/07/2023]
Abstract
The lineage of sauropodomorph dinosaurs raised some of the most impressive animals that ever walked on Earth. However, the massive titans of the Mesozoic Era originated from far smaller dinosaurs. The Triassic beds from Brazil yielded the earliest part of this evolutionary history. Despite the diverse fossil record of early sauropodomorphs, juvenile specimens, as well as certain species are poorly sampled. This is the case for Unaysaurus tolentinoi, an unaysaurid sauropodomorph from Caturrita Formation (ca. 225 Ma; early Norian, Late Triassic). The holotype and only specimen of U. tolentinoi was excavated from the Água Negra Locality (São Martinho da Serra, Rio Grande do Sul, Brazil) in 1998. More than two decades later, no other fossil vertebrates have been reported from the same fossiliferous site. Here we describe a skeletally immature specimen which was found in association with the holotype of U. tolentinoi. The specimen was discovered after a first-hand examination of the holotype and comprises some isolated vertebrae and elements from the posterior autopodium. According to linear regressions, its metatarsal I is approximately 41.7 mm in length, compared to approximately 75.9 mm in the holotype. The repeated elements and reduced size indicates that it does not belong to the elements originally used to erect U. tolentinoi. Rather, the specimen is assigned to U. tolentinoi by topotypy and shared morphology. In addition to the reduced size, distinct lines of evidence (e.g., neurocentral sutures; bone texture) support its assignment to a skeletally immature individual. In sum, the new material expands the record of U. tolentinoi, and represents an additional juvenile dinosaur from the Caturrita Formation.
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Affiliation(s)
- Rodrigo T Müller
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Maurício S Garcia
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Fabiula P Bem
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Lísie V S Damke
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - André O Fonseca
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
- Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Átila A S Da-Rosa
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
- Laboratório de Estratigrafia e Paleobiologia, Universidade Federal de Santa Maria, Santa Maria, Brazil
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Ohdachi SD, Fujiwara K, Shekhar C, Sơn NT, Suzuki H, Osada N. Phylogenetics and Population Genetics of the Asian House Shrew, Suncus murinus-S. montanus Species Complex, Inferred From Whole-Genome and Mitochondrial DNA Sequences, with Special Reference to the Ryukyu Archipelago, Japan. Zoolog Sci 2024; 41:216-229. [PMID: 38587917 DOI: 10.2108/zs230030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 11/09/2023] [Indexed: 04/10/2024]
Abstract
The house shrew (Suncus murinus-S. montanus species complex) colonized regions across southern Asia and the Indian Ocean following human activity. The house shrew is distributed on islands of the Ryukyu Archipelago, the southernmost part of Japan, but the evolutionary history of the shrew on those islands and possible associations between these populations and humans remain unknown. In this study, we conducted phylogenetic and population genetic analyses based on both nuclear and mitochondrial genome sequences of house shrews. Phylogenetic analyses based on mitochondrial cytochrome b (cytb) sequences revealed that shrews from the Ryukyu Archipelago showed strong genetic affinity to Vietnamese and southern Chinese shrews. Demographic analyses of cytb sequences indicated a rapid population expansion event affecting the haplotype group in Vietnam, southern China, and the Ryukyu Archipelago 3300-7900 years ago. Furthermore, gene flow between Ryukyu (Yonaguni Island) and Taiwan and between Ryukyu and Vietnam inferred from f4 statistics of the nuclear genomes suggested repeated immigration to Ryukyu in recent years. The present study demonstrates that the Nagasaki population has a different origin from the Ryukyu population. These findings elucidate the complex pattern of genetic admixture in house shrews and provide insights into their evolutionary history.
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Affiliation(s)
- Satoshi D Ohdachi
- Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan,
| | - Kazumichi Fujiwara
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo 060-0814, Japan
| | - Chandra Shekhar
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo 060-0814, Japan
| | - Nguyn Trưng Sơn
- Institute of Ecology and Biological Resources and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Hitoshi Suzuki
- Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Naoki Osada
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo 060-0814, Japan
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Demmel Ferreira MM, Degrange FJ, Tirao GA. Brain surface morphology and ecological and macroevolutionary inferences of avian New World suboscines (Aves, Passeriformes, Tyrannides). J Comp Neurol 2024; 532:e25617. [PMID: 38629472 DOI: 10.1002/cne.25617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 03/11/2024] [Accepted: 04/02/2024] [Indexed: 04/19/2024]
Abstract
The New World suboscines (Passeriformes and Tyrannides) are one of the biggest endemic vertebrate radiations in South America, including the families Furnariidae and Tyrannidae. Avian brain morphology is a reliable proxy to study their evolution. The aim of this work is to elucidate whether the brains of these families reflect the ecological differences (e.g., feeding behavior) and to clarify macroevolutionary aspects of their neuroanatomy. Our hypotheses are as follows: Brain size is similar between both families and with other Passeriformes; brain morphology in Tyrannides is the result of the pressure of ecological factors; and brain disparity is low since they share ecological traits. Skulls of Furnariidae and Tyrannidae were micro-computed tomography-scanned, and three-dimensional models of the endocast were generated. Regression analyses were performed between brain volume and body mass. Linear and surface measurements were used to build phylomorphospaces and to calculate the amount of phylogenetic signal. Tyrannidae showed a larger brain disparity than Furnariidae, although it is not shaped by phylogeny in the Tyrannides. Furnariidae present enlarged Wulsts (eminentiae sagittales) but smaller optic lobes, while in Tyrannidae, it is the opposite. This could indicate that in Tyrannides there is a trade-off between the size of these two visual-related brain structures.
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Affiliation(s)
- María Manuela Demmel Ferreira
- Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina
| | - Federico Javier Degrange
- Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina
| | - Germán Alfredo Tirao
- Instituto de Física Enrique Gaviola (IFEG), Facultad de Matemática, Astronomía y Física (FaMAF), Universidad Nacional de Córdoba (UNC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina
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