Autosticha authaema is a moth in the Autostichidae family. It was described by Meyrick in 1906. It is found in Sri Lanka. The wingspan is 12-13 mm. The forewings are pale ochreous, irrorated with fuscous and dark fuscous. The stigmata are rather large and dark fuscous, with the plical nearly beneath the first discal. There is a small dark fuscous pre-tornal spot and an almost marginal series of dark fuscous dots along the posterior half of the costa and termen. The hindwings are grey, darker in females.