Phylogenetic tree of the different elytral forms of Menochilus sexmaculatus based on mitochondrial genes (COI and COII) and nuclear genes (CAD and H3) obtained from RAxML and MrBayes. All M. sexmaculatus samples are labeled by steel-blue, the codes following sample name in this figure correspond to the code in Table I. Bootstrap support and posterior probabilities are shown near the nodes.