The Balkan fritillary (''Boloria Mesa Graeca'') is a butterfly in the family

Nymphalidae The Nymphalidae are the largest family of butterflies, with more than 6,000 species distributed throughout most of the world. Belonging to the superfamily Papilionoidea, they are usually medium-sized to large butterflies. Most species ha ...

found in the southern

Central Alps The Alps form a large mountain range dominating Central Europe, including parts of Italy, France, Switzerland, Liechtenstein, Austria, Slovenia, Germany and Hungary. This article describes the delimitation of the Alps as a whole and of subdivi ...

and the mid- to high-altitude

Balkans The Balkans ( , ), corresponding partially with the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throug ...

. The larva feeds on ''

Viola The viola ( , () ) is a string instrument of the violin family, and is usually bowed when played. Violas are slightly larger than violins, and have a lower and deeper sound. Since the 18th century, it has been the middle or alto voice of the ...

'' 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 Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third thoracic segments (the mesothorax and metathorax), and the two pairs are often referred to as the forewings and hindw ...

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. Boloria graeca MHNT CUT 2013 3 22 N.D. de la Salette Dos.jpg, mounted specimen, dorsal side,

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

Boloria graeca MHNT CUT 2013 3 22 N.D. de la Salette Ventre.jpg, mounted specimen, ventral side,

References

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{{Taxonbar, from=Q3334778 Boloria Butterflies described in 1870 Butterflies of Europe Taxa named by Otto Staudinger