''Calinaga cercyon'' is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

found in the

Palearctic The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Sibe ...

that belongs to the browns family. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to West China and East Tibet.

Description from Seitz

C. cercyon Nicev. (59e) has the markings quite similar to 'saka'' Moore form of ''Calinaga buddha''">Calinaga_buddha.html" ;"title="'saka'' Moore form of ''Calinaga buddha">'saka'' Moore form of ''Calinaga buddha''-, but the ground is yellowish; moreover, the position of the distal spots of the forewing is somewhat different, so that we apparently have to do with a distinct species.— West China: Ta-tsien-lu.Seitz, A. ed. Band 1: Abt. 1, ''Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen Tagfalter'', 1909, 379 Seiten, mit 89 kolorierten Tafeln (3470 Figuren)

References

Calinaginae Butterflies described in 1897 {{Nymphalidae-stub