Green Underside Blue

Glaucopsyche alexis


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Green-underside blue - Glaucopsyche alexis

Male, Switzerland, May 2013

Green-underside blue - Glaucopysche alexis

Mating pair, Switzerland, June 2013



Male, Switzerland, May 2010

Green-underside blue - Glaucopsyche alexis

Male, Switzerland, June 2012

Green-underside blue - Glaucopsyche alexis

Male, Switzerland, April 2008

Green-underside blue - Glaucopsyche alexis

Male, Switzerland, April 2009, showing the variation in border width

Green-underside blue - Glaucopsyche alexis

Switzerland, April 2009

Green-underside blue - Glaucopsyche alexis

Male, Switzerland, April 2008

Green-underside blue - Glaucopsyche alexis

Female, May 2005, Switzerland

Green-underside blue - Glaucopsyche alexis

Mating pair, Switzerland, May 2006

Green-underside blue - Glaucopsyche alexis

Female, Switzerland, May 2006

Green-underside blue - Glaucopsyche alexis

Female, Switzerland, May 2006

Green-underside blue - Glaucopsyche alexis

Female, May 2004 (my hand is there to stop the video camera focusing on the grass behind, which is often a problem with butterflies that perch on grass and flowers)

The upperside of the male is bright blue with a fairly narrow border, but both sexes are most easily recognised by the underside. The hindwing has a characteristic green basal area and the forewing shows strikingly large spots. It is a spring butterfly that until 2004 I had never seen, as it does not fly in my local region. The insects above were photographed along the Rhône Valley, where it seems to be reasonably common.

Update: In 2006 I discovered this species for the first time in my local region, Gryon (just the one individual so far - the female in pictures 3 and 4 above).