Bombus-occidentalis-complex
Guides
Bombus mckayi
McKay's Western Bumble Bee
Bombus mckayi is a North American bumble bee species originally described as a subspecies of Bombus occidentalis. It is now recognized as a distinct species within the subgenus Bombus sensu stricto. The species occurs in western North America, though detailed ecological information remains limited compared to better-studied congeners.