Exaeretia ascetica is a moth in the Depressariidae family. It was described by Meyrick in 1926. It is found in Colombia. The wingspan is about 20 mm. The forewings are pale greyish-ochreous, slightly sprinkled grey, streaked posteriorly between the veins with dull flesh-colour and with a dark grey dot on the base of the costa, as well as a few dots of blackish scales on some veins on the costal half. The discal stigmata are blackish and there is a marginal series of dark grey dots around the apical part of the costa and termen. The hindwings are pale greyish.