Appositus

Bombus appositus - Cresson, 1878
White-Shouldered Bumble BeeSynonym(s): Bombus (Subterraneobombus) appositus Cresson, 1878
Taxonomic Status: Accepted
Related ITIS Name(s): Bombus appositus Cresson, 1878
Informal Taxonomy: Animals, Invertebrates - Insects - Bumble Bees
Bombus appositus is a species of bumblebee known commonly as the white-shouldered bumblebee. It is native to western North America, including western Canada and the western United States.
This species is a host to Bombus insularis, a species of cuckoo bumblebee.