Wi BBB: Bombus bimaculatus
Minnesota Seasons - two-spotted bumble bee
Bee Identification – Wisconsin Pollinators – UW–Madison
Wi BBB: Bombus vagans
Bumble Bee – Wisconsin Pollinators – UW–Madison
Bumblebee Identification, Habits & Behavior
Bumble bee survey : Minnesota Bee Atlas : Citizen science : University of Minnesota Extension
Bee Identification – Wisconsin Pollinators – UW–Madison
Two-Spotted Bumble Bee – Bumble Bees of Wisconsin – UW–Madison
Two-Spotted Bumble Bee – Bumble Bees of Wisconsin – UW–Madison
Field Identification overview - Bumble Bees of Washington State Bumble Bees of Washington State
Wi BBB: Bombus bimaculatus
Two-spotted Bumble Bee - Montana Field Guide
Two-Spotted Bumble Bee – Bumble Bees of Wisconsin – UW–Madison
Maryland Biodiversity Project - Two-spotted Bumble Bee (Bombus bimaculatus)