Rectiostoma xanthobasis

''Rectiostoma xanthobasis'' is a species of moth in the family Depressariidae. It was described by Philipp Christoph Zeller in 1876. It is found along the Atlantic Coastal Plain from south-eastern Massachusetts south to central Florida and eastern Texas, and north in the Mississippi Valley to Missouri and Illinois.

The wingspan is 12–14 mm. The forewings are dark brown, with lemon yellow triangular area, continuous with a yellow tegula, occupying the basal third except for the.. more