Meshach Lee, Richard O'Rorke, Nicholas J. Clark, Tamsyn Uren Webster, Konstans Wells
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Therefore, it is important to understand the niche breadth of vectors and the extent to which shifts in feeding patterns can be predicted.</p>\n </section>\n \n <section>\n \n <h3> Location</h3>\n \n <p>Global.</p>\n </section>\n \n <section>\n \n <h3> Time Period</h3>\n \n <p>2000–2019.</p>\n </section>\n \n <section>\n \n <h3> Major Taxa Studied</h3>\n \n <p>Six prominent disease-vectoring mosquitoes: <i>Aedes aegypti, Ae. albopictus</i>, <i>Anopheles funestus, An. gambiae</i>, <i>Culex pipiens, Cx. quinquefasciatus</i>.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>Focusing on blood-meal studies that used ‘universal’ molecular methods with broad taxonomic coverage, we compiled evidence from > 15,600 blood-meals. We estimated mosquito's host niche breadth and we used hierarchical Dirichlet regression models to investigate shifts in feeding patterns among different functional and taxonomic groups of host species in relation to host and environmental factors.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>We estimated host ranges of 179–321 species for each of the two <i>Culex</i> mosquitoes and 26–65 species for <i>Aedes</i> mosquitoes, comprising considerably broader host niche breadths than previously anticipated. For the two <i>Anopheles</i> species, we estimated host ranges of 7–29 species. We found some evidence that shifts in feeding patterns among different host functional and taxonomic groups were associated with environmental conditions such as temperature and livestock density, while our results also demonstrate that with the currently available evidence, global predictions of shifts in mosquito feeding patterns are impeded by significant uncertainty.</p>\n </section>\n \n <section>\n \n <h3> Main Conclusions</h3>\n \n <p>Our global meta-analysis afforded first insights into the shifts of feeding patterns in variable environments, suggesting that host choice is not a simple function of host availability, but contingent on other environmental drivers. Improving resolution and consistency of data gathering and reporting will improve the precision of how blood-meal studies can inform us of present and potential risks of pathogen transmission events.</p>\n </section>\n </div>","PeriodicalId":176,"journal":{"name":"Global Ecology and Biogeography","volume":"34 6","pages":""},"PeriodicalIF":6.3000,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/geb.70077","citationCount":"0","resultStr":"{\"title\":\"Diversity and Plasticity in Mosquito Feeding Patterns: A Meta-Analysis of ‘Universal’ DNA Diet Studies\",\"authors\":\"Meshach Lee, Richard O'Rorke, Nicholas J. Clark, Tamsyn Uren Webster, Konstans Wells\",\"doi\":\"10.1111/geb.70077\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Aim</h3>\\n \\n <p>Although mosquitoes can have innate preferences for particular blood-meal hosts, their realised feeding patterns on different host species can be modified under climate and land use change with implications for disease spread. Therefore, it is important to understand the niche breadth of vectors and the extent to which shifts in feeding patterns can be predicted.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Location</h3>\\n \\n <p>Global.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Time Period</h3>\\n \\n <p>2000–2019.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Major Taxa Studied</h3>\\n \\n <p>Six prominent disease-vectoring mosquitoes: <i>Aedes aegypti, Ae. albopictus</i>, <i>Anopheles funestus, An. gambiae</i>, <i>Culex pipiens, Cx. quinquefasciatus</i>.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>Focusing on blood-meal studies that used ‘universal’ molecular methods with broad taxonomic coverage, we compiled evidence from > 15,600 blood-meals. We estimated mosquito's host niche breadth and we used hierarchical Dirichlet regression models to investigate shifts in feeding patterns among different functional and taxonomic groups of host species in relation to host and environmental factors.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>We estimated host ranges of 179–321 species for each of the two <i>Culex</i> mosquitoes and 26–65 species for <i>Aedes</i> mosquitoes, comprising considerably broader host niche breadths than previously anticipated. For the two <i>Anopheles</i> species, we estimated host ranges of 7–29 species. We found some evidence that shifts in feeding patterns among different host functional and taxonomic groups were associated with environmental conditions such as temperature and livestock density, while our results also demonstrate that with the currently available evidence, global predictions of shifts in mosquito feeding patterns are impeded by significant uncertainty.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Main Conclusions</h3>\\n \\n <p>Our global meta-analysis afforded first insights into the shifts of feeding patterns in variable environments, suggesting that host choice is not a simple function of host availability, but contingent on other environmental drivers. Improving resolution and consistency of data gathering and reporting will improve the precision of how blood-meal studies can inform us of present and potential risks of pathogen transmission events.</p>\\n </section>\\n </div>\",\"PeriodicalId\":176,\"journal\":{\"name\":\"Global Ecology and Biogeography\",\"volume\":\"34 6\",\"pages\":\"\"},\"PeriodicalIF\":6.3000,\"publicationDate\":\"2025-06-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1111/geb.70077\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Global Ecology and Biogeography\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/geb.70077\",\"RegionNum\":1,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ECOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Global Ecology and Biogeography","FirstCategoryId":"93","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/geb.70077","RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ECOLOGY","Score":null,"Total":0}
Diversity and Plasticity in Mosquito Feeding Patterns: A Meta-Analysis of ‘Universal’ DNA Diet Studies
Aim
Although mosquitoes can have innate preferences for particular blood-meal hosts, their realised feeding patterns on different host species can be modified under climate and land use change with implications for disease spread. Therefore, it is important to understand the niche breadth of vectors and the extent to which shifts in feeding patterns can be predicted.
Location
Global.
Time Period
2000–2019.
Major Taxa Studied
Six prominent disease-vectoring mosquitoes: Aedes aegypti, Ae. albopictus, Anopheles funestus, An. gambiae, Culex pipiens, Cx. quinquefasciatus.
Methods
Focusing on blood-meal studies that used ‘universal’ molecular methods with broad taxonomic coverage, we compiled evidence from > 15,600 blood-meals. We estimated mosquito's host niche breadth and we used hierarchical Dirichlet regression models to investigate shifts in feeding patterns among different functional and taxonomic groups of host species in relation to host and environmental factors.
Results
We estimated host ranges of 179–321 species for each of the two Culex mosquitoes and 26–65 species for Aedes mosquitoes, comprising considerably broader host niche breadths than previously anticipated. For the two Anopheles species, we estimated host ranges of 7–29 species. We found some evidence that shifts in feeding patterns among different host functional and taxonomic groups were associated with environmental conditions such as temperature and livestock density, while our results also demonstrate that with the currently available evidence, global predictions of shifts in mosquito feeding patterns are impeded by significant uncertainty.
Main Conclusions
Our global meta-analysis afforded first insights into the shifts of feeding patterns in variable environments, suggesting that host choice is not a simple function of host availability, but contingent on other environmental drivers. Improving resolution and consistency of data gathering and reporting will improve the precision of how blood-meal studies can inform us of present and potential risks of pathogen transmission events.
期刊介绍：
Global Ecology and Biogeography (GEB) welcomes papers that investigate broad-scale (in space, time and/or taxonomy), general patterns in the organization of ecological systems and assemblages, and the processes that underlie them. In particular, GEB welcomes studies that use macroecological methods, comparative analyses, meta-analyses, reviews, spatial analyses and modelling to arrive at general, conceptual conclusions. Studies in GEB need not be global in spatial extent, but the conclusions and implications of the study must be relevant to ecologists and biogeographers globally, rather than being limited to local areas, or specific taxa. Similarly, GEB is not limited to spatial studies; we are equally interested in the general patterns of nature through time, among taxa (e.g., body sizes, dispersal abilities), through the course of evolution, etc. Further, GEB welcomes papers that investigate general impacts of human activities on ecological systems in accordance with the above criteria.
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