Functional traits linked to pathogen prevalence in wild bee communities

Abstract Reports of pollinator declines have prompted efforts to understand contributing factors and protect vulnerable species. While pathogens can be widespread in bee communities, less is known about factors shaping pathogen prevalence among species. Functional traits are often used to predict su...

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Autores principales:	Laura L. Figueroa, Sally Compton, Heather Grab, Scott H. McArt
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3f66b17abad94ee9b82118a626cbdd55
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spelling	oai:doaj.org-article:3f66b17abad94ee9b82118a626cbdd552021-12-02T18:15:09ZFunctional traits linked to pathogen prevalence in wild bee communities10.1038/s41598-021-87103-32045-2322https://doaj.org/article/3f66b17abad94ee9b82118a626cbdd552021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87103-3https://doaj.org/toc/2045-2322Abstract Reports of pollinator declines have prompted efforts to understand contributing factors and protect vulnerable species. While pathogens can be widespread in bee communities, less is known about factors shaping pathogen prevalence among species. Functional traits are often used to predict susceptibility to stressors, including pathogens, in other species-rich communities. Here, we evaluated the relationship between bee functional traits (body size, phenology, nesting location, sociality, and foraging choice) and prevalence of trypanosomes, neogregarines, and the microsporidian Nosema ceranae in wild bee communities. For the most abundant bee species in our system, Bombus impatiens, we also evaluated the relationship between intra-specific size variation and pathogen prevalence. A trait-based model fit the neogregarine prevalence data better than a taxa-based model, while the taxonomic model provided a better model fit for N. ceranae prevalence, and there was no marked difference between the models for trypanosome prevalence. We found that Augochlorella aurata was more likely to harbor trypanosomes than many other bee taxa. Similarly, we found that bigger bees and those with peak activity later in the season were less likely to harbor trypanosomes, though the effect of size was largely driven by A. aurata. We found no clear intra-specific size patterns for pathogen prevalence in B. impatiens. These results indicate that functional traits are not always better than taxonomic affinity in predicting pathogen prevalence, but can help to explain prevalence depending on the pathogen in species-rich bee communities.Laura L. FigueroaSally ComptonHeather GrabScott H. McArtNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Laura L. Figueroa Sally Compton Heather Grab Scott H. McArt Functional traits linked to pathogen prevalence in wild bee communities
description	Abstract Reports of pollinator declines have prompted efforts to understand contributing factors and protect vulnerable species. While pathogens can be widespread in bee communities, less is known about factors shaping pathogen prevalence among species. Functional traits are often used to predict susceptibility to stressors, including pathogens, in other species-rich communities. Here, we evaluated the relationship between bee functional traits (body size, phenology, nesting location, sociality, and foraging choice) and prevalence of trypanosomes, neogregarines, and the microsporidian Nosema ceranae in wild bee communities. For the most abundant bee species in our system, Bombus impatiens, we also evaluated the relationship between intra-specific size variation and pathogen prevalence. A trait-based model fit the neogregarine prevalence data better than a taxa-based model, while the taxonomic model provided a better model fit for N. ceranae prevalence, and there was no marked difference between the models for trypanosome prevalence. We found that Augochlorella aurata was more likely to harbor trypanosomes than many other bee taxa. Similarly, we found that bigger bees and those with peak activity later in the season were less likely to harbor trypanosomes, though the effect of size was largely driven by A. aurata. We found no clear intra-specific size patterns for pathogen prevalence in B. impatiens. These results indicate that functional traits are not always better than taxonomic affinity in predicting pathogen prevalence, but can help to explain prevalence depending on the pathogen in species-rich bee communities.
format	article
author	Laura L. Figueroa Sally Compton Heather Grab Scott H. McArt
author_facet	Laura L. Figueroa Sally Compton Heather Grab Scott H. McArt
author_sort	Laura L. Figueroa
title	Functional traits linked to pathogen prevalence in wild bee communities
title_short	Functional traits linked to pathogen prevalence in wild bee communities
title_full	Functional traits linked to pathogen prevalence in wild bee communities
title_fullStr	Functional traits linked to pathogen prevalence in wild bee communities
title_full_unstemmed	Functional traits linked to pathogen prevalence in wild bee communities
title_sort	functional traits linked to pathogen prevalence in wild bee communities
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/3f66b17abad94ee9b82118a626cbdd55
work_keys_str_mv	AT lauralfigueroa functionaltraitslinkedtopathogenprevalenceinwildbeecommunities AT sallycompton functionaltraitslinkedtopathogenprevalenceinwildbeecommunities AT heathergrab functionaltraitslinkedtopathogenprevalenceinwildbeecommunities AT scotthmcart functionaltraitslinkedtopathogenprevalenceinwildbeecommunities
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Functional traits linked to pathogen prevalence in wild bee communities

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