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Lee S, Oh DJ, Lee S, Chung SB, Dong-Soon K. Subspecific Synonym of Monochamus alternatus (Coleoptera: Cerambycidae): Population Genetics and Morphological Reassessment. JOURNAL OF ECONOMIC ENTOMOLOGY 2022; 115:1987-1994. [PMID: 36351783 DOI: 10.1093/jee/toac171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Indexed: 11/11/2022]
Abstract
Monochamus alternatus Hope, 1842, is a major forest pest that hosts the pathogenic pinewood nematode (PWN), Bursaphelenchus xylophilus (Steiner and Buhrer, 1934) Nickle 1970. Taxonomically, M. alternatus is currently divided into two subspecies, based on morphology and geography: Monochamus alternatus alternatus Hope, 1842 in China, Taiwan, Tibet, Vietnam, and Laos and Monochamus alternatus endai Makihara, 2004 in South Korea and Japan. Despite their economic importance, the subspecies taxonomy of M. alternatus has never been tested after the first description. In this study, we aimed to reassess the subspecies taxonomy of M. alternatus using molecular and morphological data. For morphological analysis, we examined three major morphological characters (pronotal longitudinal band, granulation on humeri, and elytral proximomedial spine) from 191 individuals from China, Korea, and Taiwan. Population genetic structures were examined using 85 de novo sequences and 82 public COI sequences from China, Korea, Japan, Malaysia, Taiwan, and a few intercepted specimens from the United States. All the genetic data were aligned as three different multiple sequence alignments. Individuals from each subspecies were morphologically and genetically scattered, not clustered according to subspecies in any of the analyses. Therefore, a new synonymy is proposed: Monochamus alternatus Hope, 1842 = Monochamus alternatus endai, syn. n. This study suggests a more robust classification of M. alternatus for the first time and ultimately will pose a substantial impact on implementing quarantine or forestry policies.
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Affiliation(s)
- Seunghyun Lee
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 92 Box, No. 1 Beichen West Road, Chaoyang District, Beijing 100101, China
- Department of Agricultural Biotechnology, Insect Biosystematics Laboratory, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Dae-Ju Oh
- Biodiversity Research Institute, Jeju Technopark, 338, Sillyedong-ro, Namwon-eup, Seogwipo-si, Jeju-do, Republic of Korea
| | - Seunghwan Lee
- Department of Agricultural Biotechnology, Insect Biosystematics Laboratory, Seoul National University, 1, Gwanak-ro, Gwanak-gu, Seoul, Republic of Korea
| | - Sang Bae Chung
- Jeju Nature School, 982-37, Pyeonghwa-ro, Aewol-eup, Jeju-si, Jeju-do, Republic of Korea
| | - Kim Dong-Soon
- Majors in Plant Resource Sciences and Environment, College of Applied Life Science, SARI, Jeju National University, 102, Jejudaehak-ro, Jeju-si, Jeju-do, Republic of Korea
- The Research Institute for Subtropical Agriculture and Biotechnology, Jeju National University, 102, Jejudaehak-ro, Jeju-si, Jeju-do, Republic of Korea
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Abstract
Alleles that introgress between species can influence the evolutionary and ecological fate of species exposed to novel environments. Hybrid offspring of different species are often unfit, and yet it has long been argued that introgression can be a potent force in evolution, especially in plants. Over the last two decades, genomic data have increasingly provided evidence that introgression is a critically important source of genetic variation and that this additional variation can be useful in adaptive evolution of both animals and plants. Here, we review factors that influence the probability that foreign genetic variants provide long-term benefits (so-called adaptive introgression) and discuss their potential benefits. We find that introgression plays an important role in adaptive evolution, particularly when a species is far from its fitness optimum, such as when they expand their range or are subject to changing environments.
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Affiliation(s)
- Nathaniel B Edelman
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA; .,Current affiliation: Yale Institute for Biospheric Studies and Yale School of the Environment, Yale University, New Haven, Connecticut 06511, USA;
| | - James Mallet
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA;
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3
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Hausmann AE, Kuo CY, Freire M, Rueda-M N, Linares M, Pardo-Diaz C, Salazar C, Merrill RM. Light environment influences mating behaviours during the early stages of divergence in tropical butterflies. Proc Biol Sci 2021; 288:20210157. [PMID: 33757348 PMCID: PMC8059652 DOI: 10.1098/rspb.2021.0157] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 02/23/2021] [Indexed: 12/31/2022] Open
Abstract
Speciation is facilitated when traits under divergent selection also act as mating cues. Fluctuations in sensory conditions can alter signal perception independently of adaptation to the broader sensory environment, but how this fine-scale variation may constrain or promote behavioural isolation has received little attention. The warning patterns of Heliconius butterflies are under selection for aposematism and act as mating cues. Using computer vision, we extracted behavioural data from 1481 h of video footage, for 387 individuals. We show that the putative hybrid species H. heurippa and its close relative H. timareta linaresi differ in their response to divergent warning patterns, but that these differences are strengthened with increased local illuminance. Trials with live individuals reveal low-level assortative mating that is sufficiently explained by differences in visual attraction. Finally, results from hybrid butterflies are consistent with linkage between a major warning pattern gene and the corresponding behaviour, though the differences in behaviour we observe are unlikely to cause rapid reproductive isolation as predicted under a model of hybrid trait speciation. Overall, our results reveal that the contribution of ecological mating cues to reproductive isolation may depend on the immediate sensory conditions during which they are displayed to conspecifics.
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Affiliation(s)
- Alexander E. Hausmann
- Division of Evolutionary Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried, Germany
| | - Chi-Yun Kuo
- Division of Evolutionary Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried, Germany
- Smithsonian Tropical Research Institute, Gamboa 0843-03092, Panama
| | - Marília Freire
- Division of Evolutionary Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried, Germany
| | - Nicol Rueda-M
- Department of Biology, Faculty of Natural Sciences, Universidad del Rosario, Carrera 24 No 63C-69, Bogotá 111221, Colombia
| | - Mauricio Linares
- Department of Biology, Faculty of Natural Sciences, Universidad del Rosario, Carrera 24 No 63C-69, Bogotá 111221, Colombia
| | - Carolina Pardo-Diaz
- Department of Biology, Faculty of Natural Sciences, Universidad del Rosario, Carrera 24 No 63C-69, Bogotá 111221, Colombia
| | - Camilo Salazar
- Department of Biology, Faculty of Natural Sciences, Universidad del Rosario, Carrera 24 No 63C-69, Bogotá 111221, Colombia
| | - Richard M. Merrill
- Division of Evolutionary Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried, Germany
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4
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Hinojosa JC, Koubínová D, Dincă V, Hernández-Roldán J, Munguira ML, García-Barros E, Vila M, Alvarez N, Mutanen M, Vila R. Rapid colour shift by reproductive character displacement in Cupido butterflies. Mol Ecol 2020; 29:4942-4955. [PMID: 33051915 DOI: 10.1111/mec.15682] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 09/25/2020] [Accepted: 10/05/2020] [Indexed: 12/27/2022]
Abstract
Reproductive character displacement occurs when competition for successful breeding imposes a divergent selection on the interacting species, causing a divergence of reproductive traits. Here, we show that a disputed butterfly taxon is actually a case of male wing colour shift, apparently produced by reproductive character displacement. Using double digest restriction-site associated DNA sequencing and mitochondrial DNA sequencing we studied four butterfly taxa of the subgenus Cupido (Lepidoptera: Lycaenidae): Cupido minimus and the taxon carswelli, both characterized by brown males and females, plus C. lorquinii and C. osiris, both with blue males and brown females. Unexpectedly, taxa carswelli and C. lorquinii were close to indistinguishable based on our genomic and mitochondrial data, despite displaying strikingly different male coloration. In addition, we report and analysed a brown male within the C. lorquinii range, which demonstrates that the brown morph occurs at very low frequency in C. lorquinii. Such evidence strongly suggests that carswelli is conspecific with C. lorquinii and represents populations with a fixed male brown colour morph. Considering that these brown populations occur in sympatry with or very close to the blue C. osiris, and that the blue C. lorquinii populations never do, we propose that the taxon carswelli could have lost the blue colour due to reproductive character displacement with C. osiris. Since male colour is important for conspecific recognition during courtship, we hypothesize that the observed colour shift may eventually trigger incipient speciation between blue and brown populations. Male colour seems to be an evolutionarily labile character in the Polyommatinae, and the mechanism described here might be at work in the wide diversification of this subfamily of butterflies.
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Affiliation(s)
| | | | - Vlad Dincă
- Ecology and Genetics Research Unit, University of Oulu, Oulu, Finland
| | - Juan Hernández-Roldán
- Departamento de Biología - Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM), Universidad Autónoma de Madrid, Madrid, Spain
| | - Miguel L Munguira
- Departamento de Biología - Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM), Universidad Autónoma de Madrid, Madrid, Spain
| | - Enrique García-Barros
- Departamento de Biología - Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM), Universidad Autónoma de Madrid, Madrid, Spain
| | - Marta Vila
- GIBE Research Group, Universidade da Coruña, A Coruña, Spain
| | | | - Marko Mutanen
- Ecology and Genetics Research Unit, University of Oulu, Oulu, Finland
| | - Roger Vila
- Institut de Biologia Evolutiva (CSIC-UPF), Barcelona, Spain
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Ray DA, Grimshaw JR, Halsey MK, Korstian JM, Osmanski AB, Sullivan KAM, Wolf KA, Reddy H, Foley N, Stevens RD, Knisbacher BA, Levy O, Counterman B, Edelman NB, Mallet J. Simultaneous TE Analysis of 19 Heliconiine Butterflies Yields Novel Insights into Rapid TE-Based Genome Diversification and Multiple SINE Births and Deaths. Genome Biol Evol 2019; 11:2162-2177. [PMID: 31214686 PMCID: PMC6685494 DOI: 10.1093/gbe/evz125] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2019] [Indexed: 12/21/2022] Open
Abstract
Transposable elements (TEs) play major roles in the evolution of genome structure and function. However, because of their repetitive nature, they are difficult to annotate and discovering the specific roles they may play in a lineage can be a daunting task. Heliconiine butterflies are models for the study of multiple evolutionary processes including phenotype evolution and hybridization. We attempted to determine how TEs may play a role in the diversification of genomes within this clade by performing a detailed examination of TE content and accumulation in 19 species whose genomes were recently sequenced. We found that TE content has diverged substantially and rapidly in the time since several subclades shared a common ancestor with each lineage harboring a unique TE repertoire. Several novel SINE lineages have been established that are restricted to a subset of species. Furthermore, the previously described SINE, Metulj, appears to have gone extinct in two subclades while expanding to significant numbers in others. This diversity in TE content and activity has the potential to impact how heliconiine butterflies continue to evolve and diverge.
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Affiliation(s)
- David A Ray
- Department of Biological Science, Texas Tech University
| | | | | | | | | | | | | | - Harsith Reddy
- Department of Biological Science, Texas Tech University
| | - Nicole Foley
- Department of Biological Science, Texas Tech University
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine, Texas A&M University, College Station, TX
| | | | - Binyamin A Knisbacher
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
- Broad Institute of MIT and Harvard, Cambridge, MA
| | - Orr Levy
- Department of Physics, Bar-Ilan University, Ramat Gan, Israel
| | | | | | - James Mallet
- Department of Organismic and Evolutionary Biology, Harvard University
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6
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Rosser N, Freitas AVL, Huertas B, Joron M, Lamas G, Mérot C, Simpson F, Willmott KR, Mallet J, Dasmahapatra KK. Cryptic speciation associated with geographic and ecological divergence in two Amazonian Heliconius butterflies. Zool J Linn Soc 2018. [DOI: 10.1093/zoolinnean/zly046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Neil Rosser
- Department of Biology, University of York, Wentworth Way, Heslington, UK
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
| | - André V L Freitas
- Departamento de Biologia Animal and Museu de Zoologia, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Blanca Huertas
- Life Sciences Department, Natural History Museum, London, UK
| | - Mathieu Joron
- Centre d’Ecologie Fonctionnelle et Evolutive, UMR 5175 CNRS - Université de Montpellier - Université Paul Valéry Montpellier - EPHE, Montpellier, France
| | - Gerardo Lamas
- Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima, Peru
| | | | - Fraser Simpson
- Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Keith R Willmott
- McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | - James Mallet
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, USA
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