Pexicopia desmanthes is a moth of the family Gelechiidae. It was described by Oswald Bertram Lower in 1898. It is found in Australia, where it has been recorded from Queensland and New South Wales.[1]
The wingspan is . The forewings are whitish-ochreous rosy tinged and with four moderate dark bronzy-fuscous fasciae, the first basal, the second before the middle, the third beyond the middle, the fourth apical, connected in the middle with the third by a more or less defined bar. The hindwings are grey.[2]