Phylogenetic tree of candidate GmelCSPs with known lepidopteran chemosensory protein (CSP) sequences. Gmel, Galleria mellonella; Csup, Chilo suppressalis; Ofur, Ostrinia furnacalis; Cmed, Cnaphalocrocis medinalis; Cpun, Conogethes punctiferalis; Bmor, Bombyx mori.