Description: Bombus vosnesenskii, m, face, Mariposa, CA 2017-07-19-13.57. Date: 16 September 2017, 23:49. Source:
Bombus vosnesenskii, m, face, Mariposa, CA_2017-07-19-13.57. Author:
USGS Bee Inventory and Monitoring Lab from Beltsville, Maryland, USA.