Ercheia cyllaria is a species of moth of the family Erebidae first described by Pieter Cramer in 1779.

It is found in the Indian subregion, Sri Lanka, Taiwan,[2] Japan, Indochina, Thailand, Peninsular Malaysia, Sumatra, Borneo, Seram and the Kai Islands.

Ventral side ochreous white, irrorated (sprinkled) with black.

Forewings with oblique crenulate postmedial line and broad sub-marginal diffused band.

Hindwings similar, but with a lunule at end of cell and the line more irregular.