Despite consistent support from previous studies for the monophyly of the Blaberidae family,the phylogenetic relationship among its subfamilies remain unresolved.To establish a robust phylogenetic framework for Blaber...Despite consistent support from previous studies for the monophyly of the Blaberidae family,the phylogenetic relationship among its subfamilies remain unresolved.To establish a robust phylogenetic framework for Blaberidae,we analyzed 139 blaberid taxa(including the rarely sampled genus Rhabdoblattella)and 35 outgroup taxa based on seven gene fragments,using maximum likelihood(ML)and Bayesian inference(BI)methods.The results indicate that,after excluding Epilampra taira and Galiblatta cribrosa,the Epilamprinae is monophyletic and sistergroup to Calolamprodes beybienkoi.Panesthinae and Geoscapheinae together form a monophyletic group,but Panesthia and four genera within Geoscapheinae(Neogeoscapheus,Parapanesthia,Geoscapheus and Macropanesthia)are polyphyletic.Our phylogenetic analyses support the establishment of the subfamilies Rhabdoblattellinae and Calolamprodinae,as well as the classification of Geoscapheinae as a synonym under Panesthinae,and propose that the four genera within Geoscapheinae should be synonymized with Panesthia.Furthermore,based on phylogenetic evidence and similarities in the right phallomere(the R2 moderately rounded,R3 fused with R5,enlarged caudally),we transfer Rhabdoblatta monticola to the genus Opisthoplatia.展开更多
基金supported by the National Natural Science Foundation of China(31872271,32170458).
文摘Despite consistent support from previous studies for the monophyly of the Blaberidae family,the phylogenetic relationship among its subfamilies remain unresolved.To establish a robust phylogenetic framework for Blaberidae,we analyzed 139 blaberid taxa(including the rarely sampled genus Rhabdoblattella)and 35 outgroup taxa based on seven gene fragments,using maximum likelihood(ML)and Bayesian inference(BI)methods.The results indicate that,after excluding Epilampra taira and Galiblatta cribrosa,the Epilamprinae is monophyletic and sistergroup to Calolamprodes beybienkoi.Panesthinae and Geoscapheinae together form a monophyletic group,but Panesthia and four genera within Geoscapheinae(Neogeoscapheus,Parapanesthia,Geoscapheus and Macropanesthia)are polyphyletic.Our phylogenetic analyses support the establishment of the subfamilies Rhabdoblattellinae and Calolamprodinae,as well as the classification of Geoscapheinae as a synonym under Panesthinae,and propose that the four genera within Geoscapheinae should be synonymized with Panesthia.Furthermore,based on phylogenetic evidence and similarities in the right phallomere(the R2 moderately rounded,R3 fused with R5,enlarged caudally),we transfer Rhabdoblatta monticola to the genus Opisthoplatia.
