Promenesta leucomias is a moth in the family Depressariidae.

It is found in Pará, Brazil.

The forewings are rather light fuscous with the costal edge yellow ochreous and with a round apex and termen, as well as a series of short dark fuscous marks separated by pale ochreous.

The hindwings are dark grey.

[2] This article on a moth of the family Depressariidae is a stub.