Bombus (Bombus) affinis | (Cresson, 1864) |
Classification
Described in
- Bequaert, 1920Bequaert, J. (1920): Hymenoptera Collected Near Boston, Mass., With Description of a Variety of Bombus Affinis , p.6
- Cresson, 1863Cresson, E. T. (1863): List of the North American species of Bombus and Apathus. , p.103
- Milliron, 1971Milliron, H. E. (1971): A monograph of the western hemisphere bumblebees. , p.67