Colias occidentalis

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Western sulphur
Macrolepidoptera15seit 0063.jpg
Scientific classification edit
Kingdom: Animalia
Clade: Euarthropoda
Class: Insecta
Order: Lepidoptera
Family: Pieridae
Genus: Colias
Species: C. occidentalis
Binomial name
Colias occidentalis
Scudder, 1862

Eurymus occidentalis Dyar, 1903

Colias occidentalis, the western sulphur or golden sulphur, is a butterfly in the family Pieridae found in North America. Its range includes the Pacific Northwest and parts of British Columbia.[1]

Flight period is from late May until early July.[1]

Wingspan is from 50 millimetres (2.0 in) to 53 millimetres (2.1 in).[1]

Larvae feed on Vicia spp., Lupinus spp., Lathyrus spp., and Thermopsis spp.[1][2]


Listed alphabetically.[2]

  • C. o. chrysomelas H. Edwards, 1877 (California, Oregon)
  • C. o. occidentalis (British Columbia, Washington, Oregon)
  • C. o. sullivani Hammond & McCorkle, 2003 (Oregon)


  1. ^ a b c d Western Sulphur, Butterflies of Canada
  2. ^ a b Colias at Markku Savela's Lepidoptera and Some Other Life Forms

External links[edit]