 Adults are on wing from July to September.The larvae feed on "Cerastium arvense", "Dianthus", "Lychnis alpina", "Lychnis viscaria", "Minuartia", "Petrorhagia prolifera", "Petrorhagia saxifraga", "Silene inflata", "Silene nutans", "Silene vulgaris maritima", "Spergularia rubra", "Stellaria media", "Stellaria nemorum" and "Stellaria uliginosum".They may mine the leaves of their host plant when young, but this is unconfirmed.