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Insects › Whites, Yellows, and Sulphurs

Western Sulphur

Colias occidentalis

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Wildlife study photograph from iNaturalist.
(c) markhollysalvato, some rights reserved (CC BY-NC)

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in British Columbia.January 17, February 15, March 24, April 28, May 43, June 49, July 37, August 27, September 23, October 19, November 15, December 15.
United States782
Canada328
British Columbia293
Washington248
Oregon227
California156
Idaho99
Utah32
Alberta23
Nevada9

Counts show where people looked, not only where it lives.

Traits

Physical

  • MetamorphosisUndergoes dramatic body transformation during developmentFrom its classification
  • ExoskeletonHas a hard external skeletonFrom its classification

Group and habits

  • Animal pollinatorDescends from an animal lineage whose members commonly pollinate flowers.Inferred from its group

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassInsects · Insecta
OrderButterflies and Moths · Lepidoptera
FamilyWhites, Yellows, and Sulphurs · Pieridae
GenusClouded Yellows · Colias

Sources

Remember the name next time.

Practise Western Sulphur with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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