Balkan Fritillary

The Balkan fritillary (Boloria graeca) is a butterfly in the family Nymphalidae found in the southern Alps of Europe and the mid- to high-altitude Balkans. It inhabits grassy, flower-rich areas, often near the tree line. The larva feeds on Viola species.

The orange upperside of the wings has a brown basal suffusion adorned with various marks of brown color, submarginal round spots and lines forming festoons. The hindwing forms an angle at its anterior edge. The underside of the forewings is identical, that of the hindwings presents silver designs, a line of small circles and greenish marbling in the female.