Pterogonia episcopalis is a moth of the family Nolidae first described by Charles Swinhoe in 1891.

[1] Pterogonia episcopalis's head and thorax are violaceous grey with a few brown scales.

Its abdomen is pale brown with slight whitish segmental hues.

The ventral surface is whitish except towards the extremity of the species.

This article on a moth of the family Nolidae is a stub.