Colias meadii, the Mead's sulphur, is a butterfly in the family Pieridae found in North America. Its range includes the Rocky Mountains in Canada and the United States.[1]
Flight period is from July to August.[1] It inhabits arctic-alpine tundra and rocky slopes, in high mountain areas at or near tree lines.[2]
Wingspan is from 35 to 44 mm.[1]
Larvae feed on Trifolium spp. Astragalus alpinus, Oxytropis deflexa and Vicia americana.[1] [3] Adults feed on flower nectar from alpine sunflower and asters.
Listed alphabetically:[3]