Crasimorpha peragrata is a moth in the family Gelechiidae. It was described by Edward Meyrick in 1923. It is found in French Guiana.[1]
The wingspan is about 23 mm. The forewings are light fuscous, mostly irregularly overlaid with white suffusion, especially towards the costal and dorsal areas there are a few scattered blackish scales. There is a slender irregular blackish streak along the fold mostly edged with white beneath, and a similar longitudinal streak from the middle of the disc to the termen, a similar streak above the posterior portion of this, as well as a blackish longitudinal streak between these two towards the termen, and a subdorsal one on the posterior half. An elongate dark fuscous mark is found on the middle of the costa. The hindwings are grey.[2]