Bombus morrisoni

{{Short description|Species of bee}}

{{Speciesbox

| image = Bombus morrisoni.jpg

| status = VU

| status_system = IUCN3.1

| status_ref =

| genus = Bombus

| parent = Bombus (Cullumanobombus)

| species = morrisoni

| authority = Cresson, 1878

}}

Bombus morrisoni is a species of bumblebee. It is native to western North America, including the western United States and British Columbia. It is known commonly as the Morrison bumblebee.Hatfield, R., et al. 2014. [http://www.iucnredlist.org/details/44937666/0 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, milkvetch, rabbitbrush, thistles, bee plants, goldenbushes, sunflowers, and goldenrods. It is an important pollinator of alfalfa in some areas.Bohart, G. E., & Knowlton, G. F. (1952). [http://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1040&context=piru_pubs 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.