Mustilia falcipennis is a moth in the family Endromidae first described by Francis Walker in 1865.

The head and collar are chestnut, while the thorax and abdomen are purplish red brown, the latter yellowish towards the extremity.

The forewings are red brown, suffused with grey.

[2] The larvae feed on the leaves of Symplocos species.

This article relating to the superfamily Bombycoidea is a stub.