Bombus pensylvanicus
Bombus pensylvanicus (American bumble bee)
Taxonomy
No information at this time.
Description
Bombus pensylvanicus can be confused with Bombus auricomus due to their similar color patterns and large size. Confident identification may require a microscope to examine the basitarsal spine and relative placement of ocelli.
Nest Structure
Bombus pensylvanicus usually nests on the surface of the ground, in tall grass. They are often found near open farmland and fields.
Activity Period
No information at this time.
Commonly Used Flower
Astragalus, Cirsium, Cornus, Dalea, Echinacea, Helianthus, Liatris, Silphium, Solanum, Trifolim, Vicia
Conservation Status
IUCN vulnerable species
References
Williams, P., Thorp, R., Richardson, L., & Colla, S. (2014). Bumble bees of North America : An identification guide. Princeton: Princeton University Press.
B.pensylvanicus female ID graphic (Courtesy of Elaine Evans)
B.pensylvanicus male ID graphic (Courtesy of Elaine Evans)