Hymenoptychis sordida, the pneumatophore moth, is a moth of the family Crambidae.

The species was first described by Philipp Christoph Zeller in 1852.

It is known from Australia, southern and South-East Asia, several Pacific islands, Seychelles, South Africa, Madagascar and the United Arab Emirates.

[1] The larvae of this species are brown and live in mangroves where they feed on vegetarian detritus.

This Steniini-related article is a stub.