Cryptophasa tecta is a moth in the Xyloryctidae family. It was described by Lucas in 1894. It is found in Australia, where it has been recorded from the Northern Territory and Queensland. The wingspan is 25-28 mm. The forewings are slaty-grey, becoming ashy-grey toward the base and the basal half of the costa, finely and profusely pencilled with black, a row of conspicuous black spots on the median, the first near the base, the second at one-third, and the third at two-thirds, a row of three inconspicuous black dots on the costa at one-fifth, two-thirds and three-fourths. The hindwings are fuscous-grey.