This small species of bumble bee occurs in the Mountain West from the southern Sierra Nevada of California to British Columbia. In the Rocky Mountains, it can be found from Northern New Mexico through western Canada and into Alaska. There’s also a separate population in the upper Midwest (GreatLakes Region) and northern Quebec.They live in mountain and taiga and tundra habitat, preferring open, grassy areas.While on the “Least Concern” portion of the list, they are included on the International Union for Conservation of Nature’s “Red List of Threatened Species.”
Photo by Kristi DuBois on 4/29/20 up Fish Creek in Mineral County, MT.