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Plebejus idas

Idas Blue

Valais, Switzerland, July 2006

Valais, Switzerland, July 2006

Valais, Switzerland, July 2006

Valais, Switzerland, July 2006

Valais, Switzerland, July 2005

Valais, Switzerland, July 2005

Valais, Switzerland, July 2003

This was just a small part of an immense congregation of blues, mostly idas.

Valais, Switzerland, July 2005

Valais, Switzerland, July 2005

Valais, Switzerland, July 2003

This was just a small part of an immense congregation of blues, mostly idas.

Valais, Switzerland, May 2003

Unusually for the female it is lacking any orange upperside markings.

I don't appear to have a male to show for this species. At least that is if you believe my P. argyrognomon aren't infact idas. Generally specking idas resembles the Silver Studdied Blue, P. argus very closely but differs in lacking a hook on the male foreleg tibia. The black borders are usually much finer than in argus but this rule doesn't always hold. For a discussion on argyrognomon see that species.