EXT XEN.0011 Midwest Bumble Bee Identification, Ecology, and Conservation

Minnesota Seasons - tricolored bumble bee

Species – Bumble Bees of Wisconsin – UW–Madison

Defon - Bumble Bees

Western bumble bee Washington Department of Fish & Wildlife, Bumble Bee

Species – Bumble Bees of Wisconsin – UW–Madison

Bumble Bees

COSEWIC Assessment and Status Report on the Western Bumble Bee Bombus occidentalis in Canada - 2014

Western Bumble Bee and Native Pollinator Research

Oak Spring Garden Foundation - Four At-Risk North American Bumble Bee Species

Western bumble bee Washington Department of Fish & Wildlife, Bumble Bee

Minnesota Seasons - tricolored bumble bee

Western Bumble Bee

Bumble Bee Conservation

Scientists fail to locate once-common CA bumble bees, Bumble Bee