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The recent posts of images of Chequered Blue brought back some lovely memories and I revisited some photographs I took a few years back all taken in May in the LaRioja region of Spain. Flying with S. orion were what I think are S. panopotes and another blue that I am uncertain of. I would be grateful for some help with the ID, thank you in advance.
P.S. I was also reminded of how many images I have to ID let alone archive, never mind...

Hi Wolfson. I think your unknown must be panoptes. The cell spot, chequered fringe and general appearance make it definitely Scolitantides and as it's not orion that leaves just panoptes or abencerragus. What can be seen of the upperside and to a lesser extent of the fringe pretty much rules out abencerragus, so by elimination it is panoptes.

Guy

Hi Guy, once again, thank you for your guidance.