Chlamydastis deflua is a moth in the Depressariidae family. It was described by Meyrick in 1918. It is found in the Guianas and Brazil. The wingspan is 16-18 mm. The forewings are white sprinkled grey and with the markings formed of light ochreous-grey suffusion irrorated dark grey and with a spoton the base of the costa. Three irregular indistinct oblique transverse lines rise from small blackish spots on the costa, preceded by series of raised tufts white anteriorly, the first nearly straight, the second rather curved in the disc, marked with several blackish dots, the third rather strongly excurved on the median third. Two blackish dots are transversely placed on the end of the cell within the second line, and a small very oblique blackish mark preceding the lower of these. A similar ir