Thiotricha oxygramma is a moth of the family Gelechiidae. It was described by Edward Meyrick in 1918. It is found in Assam, India.[1]
The wingspan is about 12 mm. The forewings are light greyish ochreous with the extreme costal edge white towards the middle and with a very oblique whitish line, strongly edged with dark grey on both sides, from the costa at one-fifth, and one from the tornus, acutely angulated inwards on the fold, meeting it at an acute angle near the apex. There is a whitish mark on the middle of the termen and a black apical dot, edged anteriorly with whitish. The hindwings are grey, paler anteriorly, and with the extreme tip whitish.[2]