Colias occidentalis
| Colias occidentalis | |
|---|---|
_(6-25-2018)_grant_co%252C_or_-02_(43276773212).jpg) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Pieridae |
| Genus: | Colias |
| Species: | C. occidentalis |
| Binomial name | |
| Colias occidentalis Scudder, 1862 | |
| 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.[2]
The one flight period is from late May until early July.[2] Its habitats include ocean bluffs, forest openings, mountain slopes, and subalpine meadows.[3]
Description
The golden sulphur is large and yellow with a single white spot on the hindwing surrounded by a red ring. There is rarely a satellite spot. Its wingspan ranges from 50 millimetres (2.0 in) to 53 millimetres (2.1 in).[2] Males do not reflect ultraviolet[4]. Females have a rare white morph (alba)[4].
Host plants
Source:[4]
Its larvae feed on flowers like the Vicia spp., Lupinus spp., Lathyrus spp., and Thermopsis spp.[2][5]
Subspecies
Listed alphabetically.[5]
- C. o. chrysomelas H. Edwards, 1877 (California, Oregon)
- C. o. occidentalis (British Columbia, Washington, Oregon)
- C. o. sullivani Hammond & McCorkle, 2003 (Oregon)
References
- ↑ "Colias occidentalis". NatureServe Explorer. NatureServe. Retrieved 2026-05-30.
- 1 2 3 4 Western Sulphur, Butterflies of Canada
- ↑ "Colias occidentalis". explorer.natureserve.org. Retrieved 2022-02-12.
- 1 2 3 Scott, James A. (1997). The butterflies of North America: a natural history and field guide (Reprint ed.). Stanford, Calif: Stanford Univ. Pr. ISBN 978-0-8047-2013-7.
- 1 2 Colias at Markku Savela's Lepidoptera and Some Other Life Forms
External links
