Having spent years waiting for an opportunity, I was lucky enough to encounter a second of the Anomalous Blue species at the site I visited in Huesca in August 2016 and take some butterfly photographs

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It was a smaller sized species than I had imagined. 

I have been tempted to place these under the name of fabressei, but agenjoi I currently believe to be the correct possibility. Either way, the lack or weakness of the white hindwing underside flash separates it from ripartii.