Perigonia leucopus is a moth of the family Sphingidae.

[2] The forewing upperside similar to Perigonia stulta, but the base and postmedian area are shaded with grey and there is a conspicuous lunate patch on the outer margin.

There is a brown marginal band on the hindwing upperside.

There is a tornal patch that is paler than the rest of the wing on the hindwing underside.

This Dilophonotini-related article is a stub.