COSEWIC Assessment and Status Report on the Frosted Elfin in Canada

The Frosted Elfin Incisalia irus is a hairstreak butterfly with a largely uniform brown upperside and variegated underside which has a dusting of pale scales on the outer third, a markedly disjointed white and dark postmedial line, a short “tail” on the hind wing and a dark “thecla” spot near the base of the tail. The larva is pale green with paler markings which vary between populations in the level of contrast with the background colouration.

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  • Author: Government of Canada, Environment Canada
  • Language of Document: Separate English/French
  • Document Type: Report
  • Pages: 29
  • Year: 2000