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Hi all !

This is my first query here ; found this nice male Ibisia sp. in the Paillon River, in Nice, France.

https://static.inaturalist.org/photos/39612552/large.jpeg?1558540361
May 21st 2019

Was wondering if it was possible to discriminate marginita from vaillanti here ? I read Thomas' 1982 paper on I. vaillanti, but must confess I only poorly understood this "wings darker than in marginata, as, from the picture I found, I see no differences between both.

What do you think ?

And, by the way, tried to upload the photo on the gallery, but couldn't retrieve it. If someone could help me here...

Thanks !