Stenoma muscula is a moth of the Depressariidae family. It is found in Panama and Brazil (Amazonas). The wingspan is 13-14 mm. The forewings are pale ochreous-grey irregularly sprinkled dark grey. The stigmata are dark fuscous, the plical obliquely beyond the first discal. There are cloudy spots of grey suffusion on the costa at one-third, beyond the middle, and four-fifths, from the third a strongly curved series of cloudy dark grey subconfluent dots to the tornus. The hindwings are grey.