The adult moth has yellow forewings, each a dark brown base, a short dark brown line along the basal end of the costa, a dark brown bar along the margin, and a postmedial dark brown bar, which is often joined to the marginal bar. The hindwings are brown, darkening towards the wingtips. The wingspan is about 2 cms. The species has been found in Queensland, New South Wales, Australian Capital Territory, Victoria, and Western Australia.
Eochrois epidesma is listed in the following regions: