Fig. 2From: Genomic content of chemosensory receptors in two sister blister beetles facilitates characterization of chemosensory evolutionMaximum Likelihood Phylogeny Based on the Protein Sequences of the Candidate GRs. Red: H. cichorii (Hcic); blue: H. phaleratus (Hpha); black: T. castaneum (Tcas); turquoise: D. ponderosae (Dpon); purple: L. decemlineata (Ldec) and grey: A. planipennis (Apla). The tree is based on MAFFT alignment, was constructed using RAxML, and was rooted with the conserved lineage of putative sugar receptors. The coloured dots indicate nonparametric bootstrap support (%): red: ≥ 75, yellow: 50–74, and grey: < 50. Two recent Hycleus expanded clades are evident (red arc). The red asterisk (*) marks the positively selected gene pairsBack to article page