Colias berylla

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Everest clouded yellow
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Pieridae
Genus: Colias
Species: Colias berylla
Binomial name
Colias berylla
Fawcett, 1904

Colias berylla, the Everest clouded yellow, is a small butterfly of the family Pieridae, that is, the yellows and whites, which is found in Sikkim (India) and Tibet.


Greenish yellow in the male, with a moderately broad, yellow-spotted marginal band, black median spot on the forewing and a yellow one on the hindwing; hindwing darkened. Underside yellowish green, with black middle spot on forewing, a white one on hindwing, a band of yellow submarginal spots on both wings, and black submarginal spots on the posterior portion of the forewing. The females vary in ground colour from lemon-yellow to light orange, the hindwing being strongly darkened; the light submarginal spots rounded or elongate, often reaching to the margin; underside more strongly green, sometimes much darkened.


  • C. b. berylla
  • C. b. bergeriana Verhulst, 1992

See also[edit]


  • Evans, W.H. (1932). The Identification of Indian Butterflies (2nd ed.). Mumbai, India: Bombay Natural History Society.
  • Gaonkar, Harish (1996). Butterflies of the Western Ghats, India (including Sri Lanka) - A Biodiversity Assessment of a Threatened Mountain System. Bangalore, India: Centre for Ecological Sciences.
  • Gay, Thomas; Kehimkar, Isaac David; Punetha, Jagdish Chandra (1992). Common Butterflies of India. Nature Guides. Bombay, India: World Wide Fund for Nature-India by Oxford University Press. ISBN 978-0195631647.
  • Kunte, Krushnamegh (2000). Butterflies of Peninsular India. India, A Lifescape. Hyderabad, India: Universities Press. ISBN 978-8173713545.
  • Wynter-Blyth, Mark Alexander (1957). Butterflies of the Indian Region. Bombay, India: Bombay Natural History Society. ISBN 978-8170192329.

External links[edit]