William Stephen, wpstephen@oregonstate.edu and Sujaya Rao, sujaya@oregonstate.edu. Oregon State University, 3017 Agricultural and Life Sciences Building, Corvallis, OR
Species 1: Hymenoptera Apidae
Bombus melanopygus (bumble bee, orange-rumped bumble bee)
Species 2: Hymenoptera Apidae
Bombus vosnesenskii (bumble bee, yellow-faced bumble bee)
Species 3: Hymenoptera Apidae
Halictus spp (sweat bee)