''Perigonia leucopus'' is a moth of the family Sphingidae. It is known from Brazil. 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.

References

Perigonia Sphingidae of South America Lepidoptera of Brazil Moths described in 1910 Taxa named by Walter Rothschild Taxa named by Karl Jordan {{Dilophonotini-stub