Bombus hyperboreus Schönherr
Arctica (Quensel in Acerbi, 1802:253 [Apis])
hyperboreus Schönherr, 1809:57, replacement name for arcticus Quenzel, 1802:253

DISTRIBUTION: Arctic, Palaearctic Regions.

COMMENT: B. hyperboreus has been suggested to be a social parasite in colonies of B. pyrrhopygus (Løken, 1973). See the comments on Psithyrus and B. inexspectatus.