Integrative taxonomy of an arctic bumblebee species complex highlights a new cryptic species (Apidae: Bombus)

Abstract Bumblebees have been the focus of much research, but the taxonomy of many species groups is still unclear, especially for circumpolar species. Delimiting species based on multisource datasets provides a solution to overcome current systematic issues of closely related populations. Here, we...

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Bibliographic Details
Published in:Zoological Journal of the Linnean Society
Main Authors: Martinet, Baptiste, Lecocq, Thomas, Brasero, Nicolas, Gerard, Maxence, Urbanová, Klára, Valterová, Irena, Gjershaug, Jan Ove, Michez, Denis, Rasmont, Pierre
Other Authors: Fonds de la Recherche Scientifique – FNRS, FRS-FNRS
Format: Article in Journal/Newspaper
Language:English
Published: Oxford University Press (OUP) 2019
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Online Access:http://dx.doi.org/10.1093/zoolinnean/zlz041
http://academic.oup.com/zoolinnean/article-pdf/187/3/599/30300757/zlz041.pdf
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Summary:Abstract Bumblebees have been the focus of much research, but the taxonomy of many species groups is still unclear, especially for circumpolar species. Delimiting species based on multisource datasets provides a solution to overcome current systematic issues of closely related populations. Here, we use an integrative taxonomic approach based on new genetic and eco-chemical datasets to resolve the taxonomic status of Bombus lapponicus and Bombus sylvicola. Our results support the conspecific status of B. lapponicus and B. sylvicola and that the low gradual divergence around the Arctic Circle between Fennoscandia and Alaska does not imply speciation in this species complex. Therefore, based on our molecular and morphological analyses, we propose to assign them subspecific status: Bombus lapponicus lapponicus from Fennoscandia and West Siberia and Bombus lapponicus sylvicola comb. nov. from Alaska and Yukon. In addition, our analyses reveal a cryptic species in the B. lapponicus complex from Alaska, which we describe here as new: Bombus (Pyrobombus) interacti sp. nov.