Thiotricha balanopa is a moth of the Gelechiidae family. It was described by Meyrick in 1918. It is found in India (Assam) and on Borneo. The wingspan is 8-11 mm. The forewings are shining white with a cloudy fuscous spot above the tornus emitting an oblique strigula. There are two oblique dark fuscous strigulte from the costa near the apex and an oval or elongate black apical spot. The hindwings are grey.