Coleophora solitariella is a moth of the family Coleophoridae. It is found from Fennoscandia to the Pyrenees, Italy and Romania and from Great Britain to southern Russia.
The wingspan is 10âÂÂ13 mm.
The larvae feed on Arenaria serpyllifolia, Cerastium arvense, Cerastium glomeratum, Myosoton aquaticum, Stellaria alsine, Stellaria holostea, Stellaria media, Stellaria nemorum and Stellaria uliginosa. Full-grown cases can be found in May.