Bombus (Bombus) affinis Cresson, 1863

Portman, Zachary M., Gardner, Joel, Lane, Ian G., Gerjets, Nicole, Petersen, Jessica D., Ascher, John S., Arduser, Mike, Evans, Elaine C., Boyd, Crystal, Thomson, Robin & Cariveau, Daniel P., 2023, A checklist of the bees (Hymenoptera: Apoidea) of Minnesota, Zootaxa 5304 (1), pp. 1-95 : 29

Bombus (Bombus) affinis Cresson, 1863

Counties: Aitkin, Anoka, Becker, Blue Earth, Carver, Cass, Clay, Crow Wing, Dakota, Douglas, Fillmore, Freeborn, Goodhue, Hennepin, Houston, Hubbard, Isanti, Kandiyohi, Le Sueur, Morrison, Olmsted, Ramsey, Rice, Scott, Sherburne, Stearns, Wabasha, Washington, Winona, Wright .

Comments: This species has been listed as federally endangered ( U.S. Fish and Wildlife Service 2017). Though it has experienced precipitous declines over most of its historic range, it continues to persist in southeastern Minnesota.