Lycaeides argyrognomon lotis

Lycaeides argyrognomon lotis NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports — Lycaeides argyrognomon lotis ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

Plebejus idas has a wingspan of 17–28 mm. This species is quite variable in colors and markings. The upperside of male’s wings is iridescent blue, while it is brown with orange submarginal spots in the females. The underface of the wings is greyish with black spots and it shows a thin black line and small dots along outer margin. Along these margins are also present a rather large orange band with blue spots. 

This species is very similar to the Silver studded blue (Plebejus argus) and to the Reverdin’s blue (Plebejus argyrognomon). The forelegs of male of Plebejus idas lacks a hook which is present in Plebejus argus.

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