Two-Spotted Bumble Bee – Bumble Bees of Wisconsin – UW–Madison

Wi BBB: Bombus bimaculatus

Two-spotted bumble bee - Wikipedia

Bumble Bee Redux – Field Station

Bumble Bee Declines – Bumble Bees of Wisconsin – UW–Madison

Minnesota Seasons - two-spotted bumble bee

Bumble Bee – Wisconsin Pollinators – UW–Madison

Minnesota Seasons - confusing bumble bee

Bumble Bees Spring Wild Bees of Wisconsin

Bumble Bees Spring Wild Bees of Wisconsin

Wi BBB: Bombus vagans

Maryland Biodiversity Project - Two-spotted Bumble Bee (Bombus bimaculatus)