Stenoma adulans is a moth of the Depressariidae family. It is found in Peru and Brazil (Para). The wingspan is about 19 mm. The forewings are pale violet-grey with the costal edge whitish-ochreous. The plical and second discal stigmata are blackish-grey. There is an evenly curved grey line from a blackish-grey thickening on the costa at four-fifths near the termen to the tornus. A marginal series of blackish dots are found around the apical part of the costa and termen. The hindwings are rather dark grey.