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Western sulphur facts for kids

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Western sulphur
Macrolepidoptera15seit 0063.jpg
Scientific classification
Synonyms

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.

Flight period is from late May until early July.

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

Larvae feed on Vicia spp., Lupinus spp., Lathyrus spp., and Thermopsis spp.

Subspecies

Listed alphabetically.

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