"Helichrysum" species are used as food plants by the larvae of some Lepidoptera species including the bucculaticid leaf-miners "Bucculatrix gnaphaliella" (which feeds exclusively on "Helichrysum arenarium") and "Bucculatrix helichrysella" (feeds exclusively on "H. italicum") and the "Coleophora" case-bearers "C. caelebipennella", "C. gnaphalii" (feeds exclusively on "H arenarium") and "C. helichrysiella" (feeds exclusively on "H. italicum").