Coleophora lithargyrinella is a moth of the Coleophoridae family. It is found from Fennoscandia to the Pyrenees and Italy and from Ireland to the Baltic States and Romania. The wingspan is 11-13.5 mm. Adults are on wing from June to July in one generation per year. The larvae feed on Arenaria serpyllifolia, Cerastium arvense, Cerastium glomeratum, Stellaria holostea and Stellaria media. They create a trivalved tubular, silken pale brown case of about 8 mm long. It has a mouth angle of 25°-30°. The case has a double dorsal keel. Full-grown larvae can be found in May.