''Colias gigantea'', the giant sulphur or giant northern sulfur, is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

in the family

Pieridae The Pieridae are a large family of butterflies with about 76 genera containing about 1,100 species, mostly from tropical Africa and tropical Asia with some varieties in the more northern regions of North America and Eurasia.DeVries P. J. in Levi ...

found in North America. Its range includes

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

across Canada to the east coast and

Wyoming Wyoming () is a U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the south ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

, and

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

.Giant Sulphur
Butterflies of Canada Flight period is from June until early August. It inhabits tundra and willow bogs. Wingspan is from . Larvae feed on '' Salix'' spp.''Colias''
at Markku Savela's ''Lepidoptera and Some Other Life Forms'' Adults feed on flower nectar.

Subspecies

Listed alphabetically. *''C. g. gigantea'' (Alaska, Alberta, British Columbia, Manitoba, Saskatchewan, Ontario, Yukon, Northwest Territories) *''C. g. harroweri'' Klots, 1940 (Wyoming, Montana, Oregon) *''C. g. mayi'' F. & R. Chermock, 1940

References

External links

gigantea Butterflies of North America Insects of the Arctic Taxa named by Herman Strecker Butterflies described in 1900 {{pieridae-stub