Promenesta chrysampyx is a moth in the family Depressariidae.

It is found in Guyana, Brazil (Amazonas) and Peru.

The forewings are dark fuscous, with a faint purplish tinge and a slender deep ochreous-yellow streak along the costa throughout, continued around the termen to the tornus, with its edge slightly waved.

The hindwings are dark fuscous.

[2] This article on a moth of the subfamily Stenomatinae is a stub.