Stenoma eusticta is a moth of the Depressariidae family. It is found in Brazil and the Guianas. The wingspan is 18–19 mm. The forewings are lilac-whitish with the costal edge ochreous-yellow with about seven black dots, the extreme costal edge towards the base blackish and the basal third and a broad irregular purple fascia occupying most of the median third. A sinuate-curved dotted grey line is found from three-fourths of the costa to the dorsum before the tornus and there is a grey terminal line. The hindwings are whitish-grey, with the terminal edge dark grey.