Cryptophasa curialis is a moth in the Xyloryctidae family. It was described by Meyrick in 1925. It is found in New Guinea. The wingspan is 36-46 mm. The forewings are glossy white with a median band composed of about eight irregularly placed dark grey spots extending in the disc from near the base to near the terminal fascia, sometimes connected with the costa by a spot near the base and a blotch before the middle, sometimes united by general grey suffusion extended to the dorsum from near the base to the tornus. There is a rather narrow grey terminal fascia not reaching the costa, marked anteriorly with a series of ill-defined black sublinear marks, and on the terminal edge with a seriesof small brownish spots. The hindwings are white, sometimes tinged grey on the termen.