Cryptophasa phaeochtha is a moth in the family Xyloryctidae. It was described by Edward Meyrick in 1925. It is found on New Guinea.
The wingspan is 40–50 mm. The forewings are whitish ochreous with a suffused fuscous band occupying the costal third, darker towards the costa. The hindwings are light ochreous yellowish.Exotic Microlepidoptera. 3 (5-7): 147.
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