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Project Noah Nature School
Celastrina argiolus
The Holly Blue is a butterfly in the family Lycaenidae native to Eurasia and North America. The underwing is of a pale silver-blue, spotted with light black markings. In Europe, the first generation of this species feeds mainly on Holly (Ilex aquifolium).
Small bushes on meadow side; rural.
This butterflies rarely opens its wings while resting.The species shows sexual dimorphism visible on the upperside: the male has a fine black border, while in the female this is very broad. These broad borders are visible in flight.
Spotted on Jul 30, 2013
Submitted on Oct 20, 2013
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