tenthredinid sp.

This is a tenthredinid sawfly. There are more than 730 species in the family Tenthredinidae. The larvae resemble caterpillars. Adult 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: © 2017 RKD Peterson
Date of Photograph: 04 July 2017
Location: Montana, Gallatin Co.