''Aulocera sybillina'' is a butterfly 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 (Nymphalidae). The species was first described by

Charles Oberthür Charles Oberthür (14 September 1845 – 1 June 1924) was a French amateur entomologist specializing in lepidoptera. Biography Charles Oberthür was born in Rennes, the son of the printer François-Charles Oberthür and Marie Hamelin, and brot ...

in 1890. It is endemic to China and Tibet.

Description from Seitz

''S. sybillina'' Oberth. (41b). Recalling the occidental '' circe'' but much smaller, and the white band quite narrow and on the forewing separated into spots. On the underside the band is twice as wide as above and contrasts strongly with the somewhat marmorated ( marble-like) black ground. In western China, in June and July, locally abundant.Seitz, A. ed. Band 1: Abt. 1, ''Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen Tagfalter'', 1909, 379 Seiten, mit 89 kolorierten Tafeln (3470 figuren)

Biology

The larva feeds on Gramineae.

References

Satyrinae Taxa named by Charles Oberthür Butterflies described in 1890 Butterflies of Asia {{Satyrinae-stub