Helcystogramma aruritis is a moth in the Gelechiidae family. It was described by Meyrick in 1911. It is known from Sri Lanka. The wingspan is 11–13 mm. The forewings are rather dark purplish-fuscous, the veins marked by lines of black irroration, partially and variably edged with whitish-ochreous dashes and lines, especially subcostal and plical lines towards the base, and a subterminal series of dashes. The stigmata is obscure, blackish, partially edged with whitish-ochreous, and the plical is elongate, all tending to be merged in the dark streaks. The hindwings are grey.