IUCN threat status:

Not evaluated

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Plebejus idas

The Idas Blue or Northern Blue[1] (Plebejus idas) is a butterfly of the Lycaenidae family. It is found in the northerern regions of the Palearctic ecozone and the Nearctic ecozone.[2]

Flies from June to August depending on location.

Wingspan: 17 to 28 mm.[1]

The larvae feed on Calluna and Fabaceae species.

Subspecies[edit]

Lycaeides argyrognomon lotis (syn. Lycaeides idas lotis, formerly Plebejus argyrognomon [3]) is a critically endangered butterfly endemic to Mendocino County, California,[4] with sightings in Sonoma County and Marin County. It has been listed as an endangered species since June 1, 1976,[3] but has not been sighted in the wild since 1994.

References[edit]

  1. ^ a b Northern Blue, Butterflies of Canada
  2. ^ Jim P. Brock, Kenn Kaufman (2003) Kaufman Field Guide to Butterflies of North America. Boston: Houghton Mifflin. ISBN 0-618-15312-8
  3. ^ a b "Lotis Blue Butterfly", Xerxes society Profile
  4. ^ "Lotis Blue Butterfly", Arcata Fish and Wildlife Office

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