Fig. 1

Phylogenetic reconstruction of opsins in insects and duplication of LW opsins in mirid bugs. The bootstrap values are shown on the nodes. B blue-sensitive opsin, UV ultraviolet-sensitive opsin, BG blue-green-sensitive opsin, LW long-wavelength-sensitive opsin. HLW LW opsin in species from Hymenoptera, NLW LW opsin from noctuid species in Lepidoptera, MLW LW opsin in species from Miridae in Hemiptera, MUV UV opsin in species from Miridae in Hemiptera