The Phylogenetic Study Of The Family Ectobiidae Based On Mitochondrial Genes (12S RRNA,16S RRNA And COI) And Histone H3

This research is a thesis of molecular phylogeny of Ectobiidae,which is the biggest group of Blattodea,living in all over the world.Based on the deep classical taxonomic study of Ectobiidae from China,we investigated phylogenetic relationship among 3 subfamilies of the family Ectobiidae by using four molecular marks(12SrRNA,16SrRNA,COI and H3).At the same time,we discussed the phylogenetic relationship among 5 subfamilies of the family Ectobiidae from all over the world with two molecular marks(12SrRNA and H3).These fragment sequences of three mitochondrial genes(12SrRNA,16SrRNA and COI)and Histone H3 of 57 species of 17 genera in 3 subfamily of Ectobiidae were sequenced and some sequences were obtained from GenBank.We used Bayesian and Maximum Likelihood methods to construct phylogenetic trees and discuss the phylogenetic relationships and classification status of 3 subfamilies distributed in China.What's more,we discussed the phylogenetic relationships among 5 subfamilies of Ectobiidae based on two genes(12SrRNA and H3).This study provided the molecular data of Anaplectinae for the first time.The results are:1)when combined with the COI gene to analysis,the Anaplectinae is the sister group of the Blattellinae+Pseudophyllodromiinae;but when analyzed without COI gene,the former result can not be obtained.2)Both Blattellinae and Pseudophyllodromiinae are paraphyly;3)The Symploce of Blattellinae is a serious paraphyly.The Symploce striata and Symploce evifens were proofed not belonging to Symploce;4)Symplocodes should be synonymized with Hemithyrsocera;Malaccina should be synonymized with Anaplectoidea;All the voucher specimens are deposited in the College of Plant Protection,Southwest University.