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Extension > Natural resources > Minnesota Bee Atlas > Bumble bee survey >

Bombus ternarius (tricolored bumble bee)



No information at this time.


Both males and females have a black band extending between the wing bases but on a female, the black also extends back in a "thumbtack" shape. Both have one yellow abdominal segment followed by two orange segments and an additional yellow segment. The remaining abdominal segments are black. There are black hairs on the face and top of the head. Cheek is slightly shorter than wide.

Nest Structure

No information at this time.

Activity Period

No information at this time.

Commonly Used Flower

Asclepias, Claytonia, Eupatorium, Rubus, Solidago, Taraxacum, Vaccinium

Conservation Status

IUCN species of least conern


Williams, P., Thorp, R., Richardson, L., & Colla, S. (2014). Bumble bees of North America : An identification guide. Princeton: Princeton University Press.

Minnesota Record Map

These data are from the Minnesota Bee Atlas project.