We parsed the following live from the Web into this page. Such content is managed by its original site and not cached on Discover Life. Please send feedback and corrections directly to the source. See original regarding copyrights and terms of use.
Extracted from Jonathan Koch, James Strange,Paul Williams.2012. Bumble Bees of the Western United States. A product of the U.S. Forest Service and the Pollinator Partnership
with funding from the National Fish and Wildlife Foundation
Vosnesensky bumble bee
Status: Very common, possibly increasing in abundance
Distribution: Exclusive to costal California, Oregon and
Washington east towards the Sierra-Cascade Crest;
uncommon, but present in Nevada
Can be confused with B. caliginosus, B. occidentalis,
and B. vandykei
Thorax anterior to black band between wing bases
yellow, scutellum black, T1-3 black, T4 yellow, T5 and
T6 black, face square and yellow.
Mid leg basitarsus with the distal posterior corner
rounded. Cheek length as long as broad. Hair of the
face and top of head yellow. On the side of the thorax,
the lower anterior surface with long, predominantly
black hair, corbicular fringes black. Hair length
medium and even.