Western Bumble Bee

Historically broadly distributed in western North America. Bombus occidentalis occurs along the Pacific coast and western interior of North America, from Arizona, New Mexico and California, north through the Pacific Northwest and into Alaska. Eastward, the distribution stretches to the northwestern Great Plains and southern Saskatchewan.  

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Western bumble bee on a purple flower

Western Bumblebee (Bombus occidentalis)

Western bumble bee Washington Department of Fish & Wildlife

Western Bumble Bee

Species Illustrations - PNW Bumble Bee Atlas

Bumble Bee Pollination in Tomato Greenhouses

Bumbles showing White - Bumble Bees of Washington State Bumble

Western bumble bee's nest discovered

Western bumblebee on goldenrod in the Wallowa Mountains in Oregon

Good News for the Western Bumble Bee, Bombus occidentalis