Queen 22 - 26 mm
Worker 13 - 19 mm
Male 15 - 21 mm
Chrysothamnus, Gossypium, Helianthus, Kallstroemia, Linaria, Viguiera,
Nests mostly on the surface of the ground , occasionally underground
Golden Northern Bumble Bee (B. fervidus)
White-shouldered Bumble Bee (B. appositus)
Nevada Bumble Bee (B. nevadensis)
Other regions:
Northern Amber Bumble Bee (B. borealis) --> Canadian Maritimes and eastern US in Temperate and Boreal Forest regions
Black and Gold Bumble Bee (B. auricomus) --> Eastern Temperate Forest region
Northern Yellow Bumble Bee (B. distinguendus) --> Alaska + Europe and Asia