Caryocolum fraternella
The larvae feed on "Stellaria" species ( including "Stellaria uliginosa" and "Stellaria graminea" ) and "Cerastium fontanum" . 
<triplet> Stellaria uliginosa <subj> Stellaria <obj> parent taxon <triplet> Stellaria graminea <subj> Stellaria <obj> parent taxon