Helcystogramma thiostoma is a moth in the Gelechiidae family. It was described by Meyrick in 1929. It is found in southern India.
The wingspan is about 18 mm. The forewings are dark purplish-fuscous, with the stigmata blackish, the first discal and plical minute, indistinct, with the plical slightly posterior, the second discal distinct. The veins are posteriorly slightly streaked darker. The hindwings are grey.
References
Helcystogramma thiostoma Wikipedia(Text) CC BY-SA