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North American Ecology (US and Canada)

provided by North American Butterfly Knowledge Network
Erebia rossii is resident of northern Canada and Alaska, and is also found in Siberia (Scott 1986). Habitat is arctic tundra (aso in Hudsonian zone forest westward), mainly in wet sedge meadows. Host plants are restricted to one family, the sedges (Cyperaceae), especially species Carex atrofusca and C. rariflora. There is one flight each year with the approximate flight time June 15-July 31 (Scott 1986).
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Leslie Ries
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Leslie Ries

Erebia rossii

provided by wikipedia EN

Erebia rossii, the Arctic alpine[1] or Ross's alpine,[2] is a member of the subfamily Satyrinae of the family Nymphalidae. It is found in Arctic North America and northern Eurasia.

Description

The wingspan is 31–44 mm. The dorsal wings are blackish brown. The forewing in the male has two black eyespots with white pupils sometimes surrounded by one or two orange rings. The male's hindwing has no spots or a partial row of very small spots. The female has two large eyespots and may have smaller spots on both wings. The ventral hindwings have greyish median bands with jagged borders.[2]

Subspecies

Listed alphabetically:[1]

  • E. r. erda Sheljuzhko, 1924 (Sajan mountains)
  • E. r. ero Bremer, 1861 (eastern Siberia, Dzhugdzhur Mountains)
  • E. r. gabrieli dos Passos, 1949 (Alaska)
  • E. r. kuskoquima Holland, 1931 (Kuskoquim Valley)
  • E. r. ornata Leussler, 1935 (Manitoba)
  • E. r. subarctica Korshunov, 1996 (mountains of Yakutia and Chukotka)

Life cycle

The food plants of the larvae are various grasses, including Carex species.[1]

References

  1. ^ a b c d "Erebia Dalman, 1816" at Markku Savela's Lepidoptera and Some Other Life Forms
  2. ^ a b Ross's Alpine (Erebia rossii) (Curtis, 1835), Butterflies of Canada
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Erebia rossii: Brief Summary

provided by wikipedia EN

Erebia rossii, the Arctic alpine or Ross's alpine, is a member of the subfamily Satyrinae of the family Nymphalidae. It is found in Arctic North America and northern Eurasia.

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