Thiotricha melanacma

Thiotricha melanacma is a moth of the Gelechiidae family. It was described by Bradley in 1961. It is found on Guadalcanal.

The wingspan is about 8 mm. The forewings are shining pale neutral grey becoming gradually darker distally, the distal third of the wing overlaid with fuscous-black. There are two small white pre-apical dots on the costa and a whitish tornal dash extending obliquely towards the apex and preceded by a similar, parallel, shorter dash from the inner margin at two-thirds. The hindwings are mouse grey, with a small black dot at the apex.