Stenoma cathosiota is a moth of the Depressariidae family. It is found in Brazil (Amazonas). The wingspan is about 31 mm. The forewings are pale lilac-grey, the costal edge ochreous-yellow. The stigmata are fuscous, the plical obliquely beyond the firstdiscal. There is a spot of faint brownish suffusion on the middle of the dorsum and there is a small fuscous spot beneath the costal edge in the middle, where a series of cloudy undefined fuscous dots rather strongly excurved in the disc runs to the dorsum about three-fourths. There is a rather large triangular fuscous spotbeneath the costal edge towards the apex, where a curved series of small dark fuscous dots runs to the tornus and there is a terminal series of small black dots. The hindwings are pale yellowish, the dorsal half tinged ver