''Bombus morrisoni'' is a species of

bumblebee A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus ''Bombus'', part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related gener ...

. It is native to western North America, including the western United States and

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

. It is known commonly as the Morrison bumblebee.Hatfield, R., et al. 2014
''Bombus morrisoni''.
The IUCN Red List of Threatened Species. Downloaded on 09 March 2016. This bee lives in open scrub habitat. It nests underground and aboveground in structures and grass hummocks. It feeds at many kinds of plants, including

milkweed ''Asclepias'' is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are damaged. Most species are toxic to humans ...

milkvetch ''Astragalus'' is a large genus of over 3,000 species of herbs and small shrubs, belonging to the legume family Fabaceae and the subfamily Faboideae. It is the largest genus of plants in terms of described species. The genus is native to tempe ...

rabbitbrush Rabbitbrush is a common name for shrubs, principally of the western United States, in three related genera of the family Asteraceae: * '' Chrysothamnus'' — about seven species in the United States, including Greene's rabbitbrush * ''Ericame ...

thistle Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae. Prickles can also occur all over the planton the stem and on the flat parts of the leaves. ...

s, bee plants, goldenbushes, sunflowers, and goldenrods. It is an important pollinator of

alfalfa Alfalfa () (''Medicago sativa''), also called lucerne, is a perennial flowering plant in the legume family Fabaceae. It is cultivated as an important forage crop in many countries around the world. It is used for grazing, hay, and silage, as w ...

in some areas.Bohart, G. E., & Knowlton, G. F. (1952)
Yearly population fluctuation of ''Bombus morrisoni'' at Fredonia, Arizona.
''Journal of Economic Entomology'', 45(5), 890. This species has faced some declines, and has not been found recently in several well-sampled areas in its range. It is secure and common in other areas.

References

External links

*NatureServe. 2015
''Bombus morrisoni''.
NatureServe Explorer Version 7.1. Accessed 9 March 2016. Bumblebees Hymenoptera of North America Insects described in 1878 {{bombus-stub