Song S, Tang P, Wei S, Chen X. Comparative and phylogenetic analysis of the mitochondrial genomes in basal hymenopterans. Sci Rep. 2016;6:20972 pubmed publisher
..Phylogenetic analyses supported the paraphyly and basal position of Symphyta in Hymenoptera. The well-supported phylogenetic relationship in the study is Tenthredinoidea + (Cephoidea + (Orussoidea + Apocrita)). ..