Stenoma ptychobathra is a moth in the Depressariidae family. It was described by Meyrick in 1930. It is found in Brazil. The wingspan is 23-25 mm. The forewings are pale greyish-ochreous with three faint greyish transverse lines, the first curved, irregular, from just before the end of the costal fold to the dorsum at two-fifths, the second from a small brownish spot on the costa beyond the middle (the costal edge fuscous for some distance before this) gently curved beyond the cell but obsolete on the dorsal third, the third represented by a small semi-oval dark fuscous spot on the costa near the apex and a hardly curved series near the termen of seven indistinct grey dots on veins 1c to 7. The second discal stigma is small and grey. The hindwings are pale grey, becoming pale greyish-ochre