scathophagid sp.

This is a dung fly. The larva develops in dung and other decomposing material. Both the larva and adult are predaceous. 

Order: Diptera
Family: Scathophagidae
Species: probably Scathophaga sp.

Photograph: © 2009 RKD Peterson
Date of Photograph: 18 May 2009
Location: Montana, Gallatin Co.