Helcystogramma lineolella is a moth of the Gelechiidae family. It was described by Zeller in 1839. It is found in most of Europe, except Ireland, Great Britain, the Benelux, the Iberian Peninsula, Italy and the Balkan Peninsula. The wingspan is 19–20 mm. Adults are on wing from May to July. The larvae feed on Calamagrostis epigejos and Calamagrostis arundinacea.