Zhang Danli, Chen XiaoYan, Yang Jingjing, Yi Wenbo, Xie Qiang, Yang HuanHuan, Sweet Merrill H, Bu Wenjun, Li Teng
College of Biological Sciences and Technology Taiyuan Normal University Jinzhong China.
Institute of Entomology, College of Life Sciences Nankai University Tianjin China.
Ecol Evol. 2024 May 2;14(5):e11328. doi: 10.1002/ece3.11328. eCollection 2024 May.
The classification system and the higher level phylogenetic relationships of Pentatomomorpha, the second largest infraorder of Heteroptera (Insecta: Hemiptera), have been debated and remain controversial over decades. In particular, the placement and phylogenetic relationship of Idiostoloidea are not well resolved, which hampers a better understanding of the evolutionary history of Pentatomomorpha. In this study, for the first time, we reported the complete mitochondrial genome for two narrowly distributed families of Idiostoloidea (including Idiostolidae and Henicocoridae), respectively. The length of the mitochondrial genome of and sp. is 16,632 and 16,013 bp, respectively. The content of AT is ranging from 75.15% to 80.48%. The mitogenomic structure of Idiostoloidea is highly conservative and there are no gene arrangements. By using the Bayesian inference, maximum likelihood, and Bayesian site-heterogeneous mixture model, we inferred the phylogenetic relationships within Pentatomomorpha and estimated their divergence times based on concatenated mitogenomes and nuclear ribosomal genes. Our results support the classification system of six superfamilies within Pentatomomorpha and confirm the monophyletic groups of each superfamily, with the following phylogenetic relationships: (Aradoidea + (Pentatomoidea + (Idiostoloidea + (Coreoidea + (Pyrrhocoroidea + Lygaeoidea))))). Furthermore, estimated divergence times revealed that most pentatomomorphan superfamilies and families diverged during the Late Jurassic to Early Cretaceous, which coincides with the explosive radiation of angiosperms.
异翅亚目（昆虫纲：半翅目）第二大类群——扁蝽亚目的分类系统和高级系统发育关系，在过去几十年中一直存在争议。特别是，异蝽总科的位置和系统发育关系尚未得到很好的解决，这阻碍了对扁蝽亚目进化历史的更好理解。在本研究中，我们首次分别报道了异蝽总科两个分布狭窄的科（包括异蝽科和窄蝽科）的完整线粒体基因组。异蝽科[Xenopeltis sp.]和窄蝽科[Henicocoris sp.]的线粒体基因组长度分别为16,632和16,013 bp。AT含量在75.15%至80.48%之间。异蝽总科的线粒体基因组结构高度保守，没有基因重排。通过使用贝叶斯推断、最大似然法和贝叶斯位点异质性混合模型，我们推断了扁蝽亚目的系统发育关系，并基于串联的线粒体基因组和核糖体基因估计了它们的分歧时间。我们的结果支持扁蝽亚目内六个总科的分类系统，并确认了每个总科的单系类群，其系统发育关系如下：（蛛蝽总科+（蝽总科+（异蝽总科+（缘蝽总科+（红蝽总科+长蝽总科）））））。此外，估计的分歧时间表明，大多数扁蝽亚目总科和科在晚侏罗世至早白垩世期间分化，这与被子植物的爆发式辐射相吻合。
