Passaloecus sp.
Passaloecus species are solitary wasps and use resin to build their nests in naturally occurring or abandoned holes. These adult wasps primarily prey on aphids. The wasps average 6-8 mm long.
Order: Hymenoptera
Family: Crabronidae
Species: Passaloecus sp.
Photograph: © 2018 RKD Peterson
Date of Photograph: 28 June 2018
Location: Montana, Gallatin Co. (45o20'53" N 111o10'31" W)