English Bombus vancouverensis Cited by user Dyanega on 05 Nov 2020 Bombus vancouverensis is a common species of eusocial bumblebee of the subgenus Pyrobombus.
English Bombus bifarius Cited by user Rjwilmsi on 23 Dec 2015 Bombus bifarius, the Two Form Bumblebee, is a common species of eusocial bumblebee of the subgenus pyrobombus.