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The Idas Blue or Northern Blue〔 (''Plebejus idas'') is a butterfly of the Lycaenidae family. It is found in the northern regions of the Palearctic ecozone and the Nearctic ecozone.〔Jim P. Brock, Kenn Kaufman (2003) Kaufman Field Guide to Butterflies of North America. Boston: Houghton Mifflin. ISBN 0-618-15312-8〕 Flies from June to August depending on location. Wingspan: 17 to 28 mm.〔(Northern Blue ), Butterflies of Canada〕 The larvae feed on Calluna and Fabaceae species. ==Subspecies== Lycaeides argyrognomon lotis (syn. Lycaeides idas lotis, formerly Plebejus argyrognomon 〔) is a critically endangered butterfly endemic to Mendocino County, California,〔("Lotis Blue Butterfly" ), Arcata Fish and Wildlife Office〕 with sightings in Sonoma County and Marin County. It has been listed as an endangered species since June 1, 1976,〔("Lotis Blue Butterfly" ), Xerxes society Profile〕 but has not been sighted in the wild since 1994. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Plebejus idas」の詳細全文を読む スポンサード リンク
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