Two-form bumble bee (Bombus bifarius (incl. vancouverensis))

Two-form bumble bee (Bombus bifarius (incl. vancouverensis)) photo

Photo credit: Rich Hatfield

Bumble bee illustrations: Paul Williams (identification and color patterns) and Elaine Evans (bee body design).

Identifying Features

Status: Very common
Two-form bumble bee (Bombus bifarius (incl. vancouverensis)) illustration Two-form bumble bee (Bombus bifarius (incl. vancouverensis)) illustration 2

"Triangular notch at rear of thorax"; "Orange on the abdomen in mountainous/northern regions, and without elsewhere."

Range

Two-form bumble bee (Bombus bifarius (incl. vancouverensis)) range map

When to Look

Two-form bumble bee (Bombus bifarius (incl. vancouverensis)) range phenology

Floral Associations

Arctostaphylos, Ceanothus, Chrysothamnus, Frasera, Symphoricarpos


Look Alike Species

B. huntii, B. melanopygus, B. rufocinctus, B. ternarius, B. sylvicola