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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 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.
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https://hal.univ-lorraine.fr/hal-02501083
Contributor : Thomas Lecocq <>
Submitted on : Friday, March 6, 2020 - 3:10:26 PM
Last modification on : Tuesday, March 31, 2020 - 3:26:13 PM

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Baptiste Martinet, Thomas Lecocq, Nicolas Brasero, Maxence Gérard, Klara Urbanova, et al.. Integrative taxonomy of an arctic bumblebee species complex highlights a new cryptic species (Apidae: Bombus). Zoological Journal of the Linnean Society, Linnean Society of London, 2019, 187 (3), pp.599-621. ⟨10.1093/zoolinnean/zlz041⟩. ⟨hal-02501083⟩

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