самец. У самки крылья округлые.
I wrote IMHO, because I do not know the formal distinctive features.
For me, the presence of orange spots and black pattern is sufficient.
Besides oberthüri much larger than katinka. We can't estimate the sizi by the photo. It would be nice to specify the size of the butterfly in author's comment.
IMHO - Loepa oberthuri
Can't say sure, but it's rather E. melancholica more common in the Caucasian Alps.
The fringe of its wings is evidently dotted which is not common in E. aethiops but rather E.ligea.