About the Shepherd's Fritillary
Boloria pales, the shepherd's fritillary, is a butterfly of the family Nymphalidae. It is found from the Cantabrian Mountains and the Pyrenees through the Alps and Apennine Mountains east to the Balkan, Carpathian Mountains, the Caucasus and central Asia up to western China.
The wingspan is 25–30 mm. The wing tops of the relatively narrow forewings, are usually orange-brown and are traversed by a fine, black pattern consisting of dots and lines as are the hindwings. Slightly darkened or strongly melanistic moths are less common. Characteristic is the strong rust-red underside of the hind wings, which is very strong in this species and is only interrupted by a few irregular yellowish markings.
A. pales. Varying above from fiery red-yellow to nearly black, the markings also being very variable, all intergradations occurring between specimens with only vestiges of black and such with the black markings so heavy and confluent that the ground-colour is suppressed. Recognized by the characteristic underside of
the hindwing, and especially by the shape of the hindwing, which has a nearly straight costal margin forming almost a right angle with the outer margin... Wikipedia →