Colias pelidne

Description

Colias pelidne, the pelidne sulphur or blueberry sulphur, is a butterfly in the family Pieridae found in North America. Its range includes British Columbia across Canada as far east as Newfoundland and south to Idaho, Montana, and Wyoming. Flight period is from late June until early August. Wingspan is from 33 to 44 mm. Larvae feed on Vaccinium spp. and Gaultheria humifusa.