tenthredinid sp.

This is a tenthredinid sawfly. There are more than 730 species in this family. The larvae resemble caterpillars. Females have saw-like ovipositors that are used to cut into plant material to lay their eggs. These common sawflies are typically found in meadows and in forests near streams.

Order: Hymenoptera
Family: Tenthredinidae

Photograph: © 2016 RKD Peterson
Date of Photograph: 22 July 2016
Location: Montana, Gallatin Co. (45o50'41" N 110o54'05" W)