Trypoxylon sp.
This wasp is in the genus Trypoxylon. Trypoxylon wasps are active spider hunters. Adults paralyze spiders with their sting and then provide the spiders to their developing larvae on which to feed. There are more than 630 species described in this genus.
Order: Hymenoptera
Family: Crabronidae
Species: Trypoxylon sp.
Photograph: © 2018 RKD Peterson
Date of Photograph: 28 June 2018
Location: Montana, Gallatin Co. (45o20'53" N 111o10'31" W)