www.ukbutterflies.co.uk

I photographed this above Sorrento in September 2016 - what is it?

I'll have a punt before the experts get here and suggest Chapmans Blue.

At first glance, it reminded me of Zephyr Blue, but of course you wouldn't get that in Sorrento!!

I think Chapman's is most likely, though the uns ground colour looks a little pale.

Yes,Chapman's. The upperside picture even shows the characteristic furry androconial patch, confirming (if any confirmation were needed) that it's not common blue form icarinus.

Guy

Thanks everyone!