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Celastrina oreas
Celastrina oreas is a small butterfly found in the East Palearctic (Ussuri, China, Nepal, Assam, Burma, Taiwan) that belongs to the lycaenids or blues family.
From the article Celastrina oreas on Wikipedia (CC BY-SA), quoted section by section
Description
C. oreas Leech (83 f). Male somewhat similar to the male of argiolus, but deeper violet-blue and the black apical area of the wings broader. The female too, is darker, being more purplish blue, the underside bearing fewer, but very strongly marked elongate spots. — In West China, up to 10, 000 ft.
Wikipedia: “Description from Seitz”
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Every page naming Celastrina oreas in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 782249.