Colias behrii

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Pieridae
Genus: Colias
Species:
C. behrii
Binomial name
Colias behrii
Synonyms
  • Eurymus behrii
  • Eurymus behrii f. canescens Comstock, 1925

Colias behrii, the Behr's sulphur or Sierra green sulfur, is a butterfly in the family Pieridae. It is endemic to California's Sierra Nevada from Tuolumne County south to Tulare County.[2]

The wingspan is 35–42 mm (1.4–1.7 in). The upper surface of the males is dull green with a dark border and with a pale hindwing cell spot. Females are greenish-yellow with a dark diffuse border. The underside of both sexes is green. Adults are on wing from July to August. They feed on flower nectar.[2] Its habitats include moist alpine and subalpine meadows surrounded by low shrubs.[3]

The larvae feed on Vaccinium species and Gentiana newberryi.[2]

References

  1. Colias, Site of Markku Savela
  2. 1 2 3 Butterflies and Moths of North America
  3. "Colias behrii". explorer.natureserve.org.


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