Agonopterix nervosa
The caterpillars feed on brooms , namely of the genera "Cytisus" , "Genista" , "Laburnum" ( golden chains ) and "Ulex" ( gorses ) . 
<triplet> Cytisus <subj> broom <obj> parent taxon <subj> genera <obj> taxon rank <triplet> Genista <subj> broom <obj> parent taxon <subj> genera <obj> taxon rank <triplet> Laburnum <subj> genera <obj> taxon rank <triplet> Ulex <subj> broom <obj> parent taxon