Athrips nigrogrisea is a moth of the Gelechiidae family. It is found in Russia (Buryatia). The wingspan is 10–11 mm. The forewings are greyish black with black scales forming an oblique patch at the base of the wing and three indistinct dark spots in the middle and at about three-fourths near the posterior margin. The hindwings are light grey. Adults are on wing from early June to mid-July.