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Kazak M, Valavičiūtė-Pocienė K, Kondrotaitė S, Duc M, Bukauskaitė D, Hernández-Lara C, Bernotienė R, Chagas CRF. Culicoides biting midges feeding behaviour as a key for understanding avian Haemoproteus transmission in Lithuania. MEDICAL AND VETERINARY ENTOMOLOGY 2024. [PMID: 39150734 DOI: 10.1111/mve.12752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 07/26/2024] [Indexed: 08/17/2024]
Abstract
Investigations of host feeding behaviour in haematophagous insects are critical to assess transmission routes of vector-borne diseases. Understanding if a certain species has ornithophilic or mammalophilic feeding behaviour can facilitate future studies focused on pathogens transmission to and from certain host species. Culicoides Latreille (Diptera: Ceratopogonidae) are vectors of several pathogens, which include arboviruses, bacteria and parasites to a considerable diversity of vertebrate hosts. However, most of the studies focused on feeding habits target Culicoides species that could transmit the Bluetongue virus, consequently with a mammalophilic feeding behaviour, leaving aside the Culicoides species that are involved in the transmission of vector-borne parasites to birds, such as Haemoproteus Kruse (Haemosporida: Haemoproteidae). This study aimed to investigate the source of blood meals of wild-caught Culicoides using molecular-based methods and to correlate our findings with the reports of Haemoproteus parasites in Culicoides species. Engorged Culicoides females were collected using ultraviolet (UV)-light traps at seven different localities in Lithuania in 2021-2023. Biting midges were dissected, and the abdomens of engorged females were used for molecular investigation of the blood meal source. A polymerase chain reaction (PCR) protocol that amplifies a fragment of the Cytochrome B gene of vertebrates was used. Obtained sequences were compared to available information in GenBank database to confirm the source of the blood meal. In total, 258 engorged Culicoides females, representing nine different species, were analysed. The source of blood meal was identified in 29.1% of them with most of the insects having fed on birds (74.7%) and the remaining on mammals (25.3%). Culicoides segnis Campbell, Pelham-Clinton was the only species to feed exclusively on birds; Culicoides from the Obsoletus group, C. pallidicornis Kieffer and C. punctatus Latreille were found to feed exclusively on mammals; C. festivipennis Kieffer, C. kibunensis Tokunaga and C. pictipennis Staeger had an opportunistic feeding behaviour, with the first two preferably feeding on birds. Due to their feeding behaviour and the presence of Haemoproteus parasites reported in the literature, C. festivipennis, C. kibunensis, C. pictipennis, and C. segnis play an important role in the transmission of those avian vector-borne parasite in the wild. These Culicoides species were already confirmed as being able to support the development of several Haemoproteus species and lineages. Future studies focused on understanding the epidemiology of avian pathogens transmitted by Culicoides should target these species.
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Affiliation(s)
- Margarita Kazak
- Laboratory of Entomology, Nature Research Centre, Vilnius, Lithuania
| | | | | | - Mélanie Duc
- P. B. Šivickis Laboratory of Parasitology, Nature Research Centre, Vilnius, Lithuania
| | - Dovilė Bukauskaitė
- P. B. Šivickis Laboratory of Parasitology, Nature Research Centre, Vilnius, Lithuania
| | | | - Rasa Bernotienė
- Laboratory of Entomology, Nature Research Centre, Vilnius, Lithuania
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González MA, Magallanes S, Bravo-Barriga D, Monteys VSI, Martínez-de la Puente J, Figuerola J. Sampling of Culicoides with nontraditional methods provides unusual species composition and new records for southern Spain. Parasit Vectors 2024; 17:338. [PMID: 39135087 PMCID: PMC11318182 DOI: 10.1186/s13071-024-06414-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Accepted: 07/18/2024] [Indexed: 08/16/2024] Open
Abstract
BACKGROUND Culicoides midges have been well-studied in Spain, particularly over the last 20 years, mainly because of their role as vectors of arboviral diseases that affect livestock. Most studies on Culicoides are conducted using suction light traps in farmed environments, but studies employing alternative trapping techniques or focusing on natural habitats are scarce. METHODS In the present study, we analyze Culicoides captured in 2023 at 476 sites in western Andalusia (southern Spain) using carbon dioxide-baited Biogents (BG)-sentinel traps across different ecosystems. RESULTS We collected 3,084 Culicoides midges (3060 females and 24 males) belonging to 23 species, including the new species Culicoides grandifovea sp. nov. and the first record of Culicoides pseudolangeroni for Europe. Both species were described with morphological and molecular methods and detailed data on spatial distribution was also recorded. The new species showed close phylogenetic relations with sequences from an unidentified Culicoides from Morocco (92.6% similarity) and with Culicoides kurensis. Culicoides imicola was the most abundant species (17.4%), followed by Culicoides grandifovea sp. nov. (14.6%) and Culicoides kurensis (11.9%). Interestingly, Culicoides montanus was the only species of the obsoletus and pulicaris species complexes captured, representing the first record of this species in southern Spain. A total of 53 valid Culicoides species have been reported in the area, with 48 already reported in literature records and 5 more added in the present study. Information on the flight period for the most common Culicoides species is also provided. CONCLUSIONS To the best of our knowledge, our study represents the most comprehensive effort ever done on nonfarmland habitats using carbon-dioxide baited suction traps for collecting Culicoides. Our data suggests that using carbon dioxide traps offers a completely different perspective on Culicoides communities compared with routinely used light traps, including the discovery of previously unrecorded species.
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Affiliation(s)
- Mikel Alexander González
- Estación Biológica de Doñana (EBD, CSIC), Seville, Spain.
- Ciber de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.
| | - Sergio Magallanes
- Estación Biológica de Doñana (EBD, CSIC), Seville, Spain
- Ciber de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Daniel Bravo-Barriga
- Departamento de Salud Animal, Grupo de Investigación en Salud Animal y Zoonosis (GISAZ), Facultad de Veterinaria, Universidad de Córdoba, Córdoba, Spain
| | - Victor Sarto I Monteys
- Institut de Ciència i Tecnologia Ambientals (ICTA), Entomology, Plants and Health, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Josué Martínez-de la Puente
- Estación Biológica de Doñana (EBD, CSIC), Seville, Spain
- Ciber de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Jordi Figuerola
- Estación Biológica de Doñana (EBD, CSIC), Seville, Spain
- Ciber de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
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Žiegytė R, Palinauskas V, Bernotienė R. Natural Vector of Avian Haemoproteus asymmetricus Parasite and Factors Altering the Spread of Infection. INSECTS 2023; 14:926. [PMID: 38132599 PMCID: PMC10743420 DOI: 10.3390/insects14120926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/22/2023] [Accepted: 12/03/2023] [Indexed: 12/23/2023]
Abstract
Avian haemosporidians (Apicomplexa, Haemosporida) are widespread blood protists, often causing severe haemosporidiosis, pathology, or even mortality in their hosts. Migrant birds regularly bring various haemosporidian parasites from wintering grounds to European breeding areas. Some haemosporidian parasites are prevalent in breeding sites and complete their life cycles in temperate climate zones and can be transmitted, but others do not. The factors altering the spread of these haemosporidians are not fully understood. Culicoides biting midges (Diptera: Ceratopogonidae) play an important role in the transmission of worldwide distributed avian haemosporidian parasites belonging to the genus Haemoproteus, but this information is particularly scarce and insufficient. The key factors limiting the spread of these pathogens in temperate climate zones, which we suspect and aim to study, are the absence of susceptible vectors and the ecological isolation of birds from vectors during the breeding period when transmission occurs. The primary objective of this study was to evaluate how the habitats of biting midges and bird breeding sites influence parasite transmission while also seeking to expand our understanding of the natural vectors for these parasites. Biting midges were collected using UV traps on the Curonian Spit, Lithuania, in different habitats, such as woodland and reeds, from May to September. Parous Culicoides females were identified, dissected, and investigated for the presence of Haemoproteus parasites using both microscopy and PCR-based tools. Among the dissected 1135 parous Culicoides females, the sporozoites of Haemoproteus asymmetricus (genetic lineage hTUPHI01) have been detected for the first time in the salivary glands of Culicoides festivipennis. The sporozoites of four Haemoproteus lineages were detected in Culicoides segnis, C. festivipennis, and Culicoides kibunensis biting midges. PCR-based screening showed that the females of seven Culicoides species were naturally infected with Haemoproteus parasites. The DNA of the parasite of owls, Haemoproteus syrnii (hSTAL2), was detected for the first time in Culicoides punctatus. The highest abundance of collected Culicoides females was in June, but the highest prevalence of Haemoproteus parasites in biting midges was in July. The abundance of Culicoides was higher in the woodland compared with reeds during the season. The acquired findings indicate the varied abundance and diversity of biting midges throughout the season and across distinct habitats. This variability could potentially impact the transmission of Haemoproteus parasites among birds with diverse breeding site ecologies. These outcomes hold the potential to enhance our understanding of the epizootiology of Haemoproteus infections within temperate climatic zones.
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Affiliation(s)
- Rita Žiegytė
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania;
| | | | - Rasa Bernotienė
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania;
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González MA, Bravo-Barriga D, López-Mercadal J, Miranda MÁ, Gutiérrez-López R, Barceló C. First report of Culicoides caucoliberensis in Spain: Exploring molecular phylogeny, host-feeding behaviour and avian haemosporidian parasites. MEDICAL AND VETERINARY ENTOMOLOGY 2023; 37:871-877. [PMID: 37458405 DOI: 10.1111/mve.12679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/20/2023] [Indexed: 11/08/2023]
Abstract
Culicoides biting midges (Diptera: Ceratopogonidae) are vectors of pathogens that affect wildlife and livestock. Understanding the composition and distribution of vector species is crucial for implementing control strategies and preventing the spread of infectious diseases. This study provides a morphological and molecular characterisation of Culicoides caucoliberensis, which represents the first record for Spain, increasing the number of Culicoides species in the country to 85. A total of 213 specimens were collected using Onderstepoort-ultraviolet down-draught light traps on a rocky coastline in the Balearic Islands during two sampling periods in 2022. Phylogenetic analysis showed that C. caucoliberensis forms a monophyletic cluster within the Maritimus group. Host preferences were determined for the first time and showed propensity to feed on the European shag (Phalacrocorax aristotelis). The vector role of C. caucoliberensis for haemosporidian transmission remains unclear since molecular detection of Haemosporidians (Haemoproteus and Plasmodium) was negative for all the pools of parous and engorged females analysed. This study emphasises the importance of conducting entomofauna studies in lesser-known Mediterranean islet landscapes and highlights the need for research on vectors within the One Health framework.
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Affiliation(s)
- Mikel A González
- Department of Wetland Ecology, Biological Station of Doñana (EBD-CSIC), Sevilla, Spain
- Applied Zoology and Animal Conservation, University of the Balearic Islands, Palma de Mallorca, Spain
| | - Daniel Bravo-Barriga
- Faculty of Veterinary, Department of Animal Health, Parasitology, University of Extremadura, Cáceres, Spain
| | - Júlia López-Mercadal
- Applied Zoology and Animal Conservation, University of the Balearic Islands, Palma de Mallorca, Spain
| | - Miguel Ángel Miranda
- Applied Zoology and Animal Conservation, University of the Balearic Islands, Palma de Mallorca, Spain
| | - Rafael Gutiérrez-López
- Applied Zoology and Animal Conservation, University of the Balearic Islands, Palma de Mallorca, Spain
- Animal Health Research Center, National Food and Agriculture Research and Technology Institute (INIA-CISA-CSIC), Valdeolmos, Spain
| | - Carlos Barceló
- Applied Zoology and Animal Conservation, University of the Balearic Islands, Palma de Mallorca, Spain
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González MA, Goiri F, Cevidanes A, Hernández-Triana LM, Barandika JF, García-Pérez AL. Mosquito community composition in two major stopover aquatic ecosystems used by migratory birds in northern Spain. MEDICAL AND VETERINARY ENTOMOLOGY 2023; 37:616-629. [PMID: 37134155 DOI: 10.1111/mve.12661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 04/13/2023] [Indexed: 05/05/2023]
Abstract
Mosquitoes (Diptera: Culicidae) are common bloodsucking Diptera frequently found in aquatic environments, which are valuable ecosystems for many animal species, particularly migrating birds. Therefore, interactions between these animal species and mosquitoes may play a critical role in pathogen transmission. During 2018-2019, mosquitoes were collected from two aquatic ecosystems in northern Spain using different methodologies and identified using classical morphology and molecular tools. A total of 1529 males and females of 22 native mosquito species (including eight new records for the region) were trapped using CO2 -baited Centers for Disease Control and Prevention (CDC) traps and sweep netting. Among the blood-fed female mosquitoes, 11 vertebrate host species-six mammals and five birds-were identified using DNA barcoding. The developmental sites of eight mosquito species were determined across nine microhabitats, and 11 mosquito species were caught landing on humans. The flight period varied among mosquito species, with some peaking in the spring and others in the summer. Our study highlights the advantages of mosquito sampling using various techniques to comprehensively characterise species composition and abundance. Information on the trophic preferences, biting behaviour and influence of climatic variables on the ecology of mosquitoes is also provided.
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Affiliation(s)
- Mikel A González
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development. Basque Research and Technology Alliance (BRTA), Derio, Spain
- Applied Zoology and Animal Conservation Research Group (ZAP), Department of Biology, University of the Balearic Islands (UIB), Palma de Mallorca, Spain
| | - Fátima Goiri
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development. Basque Research and Technology Alliance (BRTA), Derio, Spain
| | - Aitor Cevidanes
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development. Basque Research and Technology Alliance (BRTA), Derio, Spain
| | - Luis M Hernández-Triana
- Vector-Borne Diseases Research Group, Virology Department, Animal and Plant Health Agency, Addlestone, UK
| | - Jesús F Barandika
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development. Basque Research and Technology Alliance (BRTA), Derio, Spain
| | - Ana L García-Pérez
- Department of Animal Health, NEIKER-Basque Institute for Agricultural Research and Development. Basque Research and Technology Alliance (BRTA), Derio, Spain
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Cleveland CA, Dallas TA, Vigil S, Mead DG, Corn JL, Park AW. Vector communities under global change may exacerbate and redistribute infectious disease risk. Parasitol Res 2023; 122:963-972. [PMID: 36847842 DOI: 10.1007/s00436-023-07799-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/17/2023] [Indexed: 03/01/2023]
Abstract
Vector-borne parasites may be transmitted by multiple vector species, resulting in an increased risk of transmission, potentially at larger spatial scales compared to any single vector species. Additionally, the different abilities of patchily distributed vector species to acquire and transmit parasites will lead to varying degrees of transmission risk. Investigation of how vector community composition and parasite transmission change over space due to variation in environmental conditions may help to explain current patterns in diseases but also informs our understanding of how patterns will change under climate and land-use change. We developed a novel statistical approach using a multi-year, spatially extensive case study involving a vector-borne virus affecting white-tailed deer transmitted by Culicoides midges. We characterized the structure of vector communities, established the ecological gradient controlling change in structure, and related the ecology and structure to the amount of disease reporting observed in host populations. We found that vector species largely occur and replace each other as groups, rather than individual species. Moreover, community structure is primarily controlled by temperature ranges, with certain communities being consistently associated with high levels of disease reporting. These communities are essentially composed of species previously undocumented as potential vectors, whereas communities containing putative vector species were largely associated with low levels, or even absence, of disease reporting. We contend that the application of metacommunity ecology to vector-borne infectious disease ecology can greatly aid the identification of transmission hotspots and an understanding of the ecological drivers of parasite transmission risk both now and in the future.
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Affiliation(s)
- Christopher A Cleveland
- Southeastern Cooperative Wildlife Disease Study (SCWDS), Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA. .,Center for Ecology of Infectious Diseases, Odum School of Ecology, University of Georgia, Athens, GA, USA.
| | - Tad A Dallas
- Department of Biological Sciences, University of South Carolina, Columbia, SC, 29205, USA.
| | - Stacey Vigil
- Southeastern Cooperative Wildlife Disease Study (SCWDS), Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Daniel G Mead
- Southeastern Cooperative Wildlife Disease Study (SCWDS), Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Joseph L Corn
- Southeastern Cooperative Wildlife Disease Study (SCWDS), Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Andrew W Park
- Center for Ecology of Infectious Diseases, Odum School of Ecology, University of Georgia, Athens, GA, USA. .,Odum School of Ecology, University of Georgia, 140 E. Green Street, Athens, GA, 30602, USA.
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