Short-tailed Blue

Cupido (Everes) argiades


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Male, Switzerland, August 2013



Male, Switzerland, August 2013



Female, Switzerland, August 2013

Male, Switzerland, August 2008

Male, Switzerland, August 2008

Male, Switzerland, August 2008

Male, Switzerland, August 2008

Male, Switzerland, August 2008

Male, Switzerland, August 2008

Female, laying on bird's foot trefoil, France, August 2008

Female, France, August 2008

Female, Switzerland, August 2008

Male, France, August 2008

This species is similar to the Provenšal short-tailed blue but easily separated from it by the prominent orange spots on the underside of the hindwing. It is also a much more mobile butterfly, however, being a notable migrant recorded occasionally even in England. The female has considerably more blue on the upperside than the female Provenšal short-tailed blue.

In Switzerland the species is actually quite rare and it is not normally resident in my region (where Provenšal short-tailed blue is a common butterfly). HOWEVER, in August and September of 2008 I saw many here and they even outnumbered the Provenšal short-tailed blues on some days. On a trip to France that same year I also found them unusually abundant. I hope the trend continues.