Colias sp.

This is a sulfur butterfly in the genus Colias. The adult butterflies are very common in the summer. The caterpillars feed on legumes such as alfalfa and clovers and also several weed species. Adults in this genus do not sequester toxins, making them an excellent food source for insectivores.

Order: Lepidoptera
Family: Pieridae
Species: Colias sp. (probably Colias philodice)

Photograph: © 2004 RKD Peterson
Date of Photograph: 18 July 2004
Location: Montana, Gallatin Co. (45^o43'41" N 111^o08'11" W)

Colias sp. © 2004 RKD Peterson