Williams, P. H., Berezin, M. V., Cannings, S. G., Cederberg, B., Ødegaard, F., Rasmussen, C., ... & Byvaltsev, A. M. (2019). The arctic and alpine bumblebees of the subgenus Alpinobombus revised from integrative assessment of species’ gene coalescents and morphology (Hymenoptera, Apidae, Bombus). Zootaxa, 4625(1), 1-68.