Stenoma antitacta is a moth of the Depressariidae family. It is found in Peru. The wingspan is about 16 mm. The forewings are whitish-ochreous slightly and irregularly sprinkled light fuscous and with a small indistinct fuscous spot towards the base above the middle connected with the dorsum by a striga. The stigmata are blackish, the plical obliquely beyond the first discal. There is an inwards-oblique suffused blackish spot from the middle of the dorsum reaching to just before the plical stigma. There are triangular blackish spots on the costa at the middle and three-fourths, from the second a strongly curved waved blackish line near the termen to the tornus. There is a marginal series of blackish dots around the apical part of the costa and termen. The hindwings are ochreous-whitish.