Antaeotricha prosora is a moth in the Depressariidae family. It was described by Walsingham in 1912. It is found in Panama. The wingspan is about 23 mm. The forewings are bone-whitish, much suffused and transversely barred obliquely with broken brownish fuscous lines. The brownish fuscous suffusion is much more strongly shown on the dorsal than on the costal portion of the wing, but there is no clear definition of its extent, where the first two of the three transverse broken lines cross this dark shade they greatly intensify it, adding to it a slight purplish gloss. The first of these, commencing on the costa near the base, is partially reduplicated on its outer half, a branch to the extreme base being obscurely indicated, it is angulated inward on the cell, and descends to the dorsum, be