Exaeretia mesosceptra is a moth in the Depressariidae family. It was described by Meyrick in 1915. It is found in Peru. The wingspan is about 21 mm. The forewings are whitish-ochreous, with a few scattered blackish specks and a narrow somewhat irregular-edged median fuscous streak irrorated with blackish almost from the base to the apex but not quite reaching either. The hindwings are whitish-grey.