Acropolis is a butterfly genus from the subfamily Satyrinae in the family Nymphalidae. There is only one species in the genus, Acropolis thalia. It is distributed in western subtropical China.
Acropolis (genus) Wikipedia
"The species of this genus are not large and have a very extraordinarily small and delicate body.The wings are relatively broad and rounded. The subcostal of the forewing is very strongly and evenly inflated from the base to beyond the first third. A. thalia Leech is dull dark brown ; a white band runs from the costa of the forewing to the anal margin of the hindwing; at the apex of the forewing and at the anal angle of the hindwing a dark ocellus, which, on the underside, bears a white pupil and a yellow ring. Near Omi-shan and Pu-tsufong. in July.