Northern blue

Plebejus idas selda

A commoner of the small blue butterflies with a wingspan of 25-34 mm. Males are typically silvery- to violet-blue with thin white and black borders, while females are a greyish-brown. Also called the “Idas blue,” the northern lives in a multitude of different habitats, especially along roadsides, and in thickets, evergreen forests, wet meadows, grassland, and mountains. Host plants include birdsfoot-trefoil (Lotus corniculatus), white melilot (Melilotus albus), red clover (Trifolium pratense), brooms (Cytisus spp.), greenweeds (Genista spp.), and the Judas tree (Cercis siliquastrum). It flies late March through August.

Video

 male

Attribution: Harald Supfle (Wikipedia Creative Commons)

 female

Attribution: Harald Supfle (Wikipedia Creative Commons)

Attribution: Zeynel Cebeci (Wikipedia Creative Commons)

Attribution: Harald Supfle (Wikipedia Creative Commons)

Attribution: Gilles San Martin (Wikipedia Creative Commons)

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