Polytremis pellucida is a butterfly belonging to the family Hesperiidae.
Upperside of the forewings is dark brown, with a row of small white spots and markings.
Also the hindwings are dark brown and have four elongate to ovoid white spots.
Larvae of this species feed on plants of the family Poaceae.
Among the host plants are reported Miscanthus sinensis, Oryza sativa and some unidentified species of the genera Phragmites and Sasa.