Eleodes tricostata

Eleodes tricostata is also known as the false wireworm beetle and as the three-ribbed darkling beetle. The adult is 13- to 15-mm long and is one of the most common species of darkling beetle. The adults are considered garden and wheat pests. 

Order: Coleoptera
Family: Tenebrionidae
Species: Eleodes tricostata

Photograph: © 2009 RKD Peterson
Date of Photograph: 31 July 2009
Location: Montana, Gallatin Co.