Xinxing Luo, Wenbo Deng, Wei Han, Nathan Lo, Jinzhuo Cai, Yanli Che, Zongqing Wang
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Our study showed that <i>Dorylaea</i> Stål and <i>Nazgultaure</i> Lucanãs are sister taxa and distantly related to Blattinae. <i>Periplaneta</i> s.l. was found to be widely polyphyletic across five or six separate clades, while <i>Mimosilpha</i> Bey-Bienko was embedded within <i>Homalosilpha</i> Stål. Integrating ancestral character state reconstruction (ASR) analyses, morphological character comparisons and our phylogenetic results, we propose five new genera (<i>Unihamus</i> Luo & Wang, <b>gen. nov</b>.; <i>Validiblatta</i> Luo & Wang, <b>gen. nov</b>.; <i>Arcicaulis</i> Luo & Wang, <b>gen. nov</b>.; <i>Tenumembrana</i> Luo & Wang, <b>gen. nov</b>.; <i>Crescispina</i> Luo & Wang, <b>gen. nov</b>.) to revise <i>Periplaneta</i> s.l. We describe two new species (<i>Hobbitoblatta semialata</i> Luo & Wang, <b>sp. nov</b>. and <i>Crescispina qiaoi</i> Luo & Wang, <b>sp. nov</b>.). We treat <i>Mimosilpha</i> as the junior synonym of <i>Homalosilpha</i>. The ASR analyses reveal the evolutionary status of genital characteristics in Blattinae s.s. and suggest that the morphology of sclerites L4C, R1H and R1G can be used as diagnostic characters for genera or subfamilies.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"836-854"},"PeriodicalIF":4.9000,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Revision of the cockroach subfamily Blattinae based on morphological and molecular analyses\",\"authors\":\"Xinxing Luo, Wenbo Deng, Wei Han, Nathan Lo, Jinzhuo Cai, Yanli Che, Zongqing Wang\",\"doi\":\"10.1111/syen.12680\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Blattidae Latreille is widely distributed worldwide and includes a variety of sanitary pests, such as <i>Periplaneta americana</i> (Linnaeus), <i>Periplaneta australasiae</i> (Fabricius) and <i>Periplaneta fuliginosa</i> (Serville). The subfamily composition of Blattidae has undergone significant changes in recent years, and a few long-standing controversies have been resolved. However, the paraphyly of Blattinae Latreille and the polyphyly of <i>Periplaneta</i> Burmeister within the subfamily remain unresolved. We addressed these issues through phylogenetic analyses of the Blattinae based on mitochondrial genomes and nuclear genes (<i>18S</i> and <i>28S</i>), and morphological analyses of eleven male genital characters. Our study showed that <i>Dorylaea</i> Stål and <i>Nazgultaure</i> Lucanãs are sister taxa and distantly related to Blattinae. <i>Periplaneta</i> s.l. was found to be widely polyphyletic across five or six separate clades, while <i>Mimosilpha</i> Bey-Bienko was embedded within <i>Homalosilpha</i> Stål. Integrating ancestral character state reconstruction (ASR) analyses, morphological character comparisons and our phylogenetic results, we propose five new genera (<i>Unihamus</i> Luo & Wang, <b>gen. nov</b>.; <i>Validiblatta</i> Luo & Wang, <b>gen. nov</b>.; <i>Arcicaulis</i> Luo & Wang, <b>gen. nov</b>.; <i>Tenumembrana</i> Luo & Wang, <b>gen. nov</b>.; <i>Crescispina</i> Luo & Wang, <b>gen. nov</b>.) to revise <i>Periplaneta</i> s.l. We describe two new species (<i>Hobbitoblatta semialata</i> Luo & Wang, <b>sp. nov</b>. and <i>Crescispina qiaoi</i> Luo & Wang, <b>sp. nov</b>.). We treat <i>Mimosilpha</i> as the junior synonym of <i>Homalosilpha</i>. 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引用次数: 0
摘要
扁虱科在世界范围内广泛分布,包括多种卫生害虫,如美洲扁虱(Linnaeus)、澳大利亚扁虱(Fabricius)和fuliginosa扁虱(Serville)。近年来,小蠊科的亚科组成发生了重大变化,并解决了一些长期存在的争议。然而,该亚科中Blattinae Latreille的分属和Periplaneta Burmeister的分属仍未解决。我们通过对Blattinae的线粒体基因组和核基因(18S和28S)的系统发育分析,以及对11个雄性生殖特征的形态分析来解决这些问题。我们的研究表明Dorylaea stamatl和Nazgultaure lucan是姐妹类群,与Blattinae有远亲关系。在5 ~ 6个分支中发现了广泛的多系性,而Mimosilpha Bey-Bienko则嵌入在Homalosilpha st l中。综合祖先特征状态重建(ASR)分析、形态特征比较和系统发育结果,我们提出了5个新属(Unihamus Luo & Wang, gen. 11; Validiblatta Luo & Wang, gen. 11; Arcicaulis Luo & Wang, gen. 11; Tenumembrana Luo & Wang, gen. 11;本文描述了两个新种(Hobbitoblatta semialata Luo & Wang, sp. 11 .)和Crescispina qioi Luo &; Wang, sp. 11 .)。我们把Mimosilpha作为Homalosilpha的初级同义词。ASR分析揭示了Blattinae s.s s生殖特征的进化状态,并提示硬膜岩L4C、R1H和R1G的形态可以作为属或亚科的诊断特征。
Revision of the cockroach subfamily Blattinae based on morphological and molecular analyses
Blattidae Latreille is widely distributed worldwide and includes a variety of sanitary pests, such as Periplaneta americana (Linnaeus), Periplaneta australasiae (Fabricius) and Periplaneta fuliginosa (Serville). The subfamily composition of Blattidae has undergone significant changes in recent years, and a few long-standing controversies have been resolved. However, the paraphyly of Blattinae Latreille and the polyphyly of Periplaneta Burmeister within the subfamily remain unresolved. We addressed these issues through phylogenetic analyses of the Blattinae based on mitochondrial genomes and nuclear genes (18S and 28S), and morphological analyses of eleven male genital characters. Our study showed that Dorylaea Stål and Nazgultaure Lucanãs are sister taxa and distantly related to Blattinae. Periplaneta s.l. was found to be widely polyphyletic across five or six separate clades, while Mimosilpha Bey-Bienko was embedded within Homalosilpha Stål. Integrating ancestral character state reconstruction (ASR) analyses, morphological character comparisons and our phylogenetic results, we propose five new genera (Unihamus Luo & Wang, gen. nov.; Validiblatta Luo & Wang, gen. nov.; Arcicaulis Luo & Wang, gen. nov.; Tenumembrana Luo & Wang, gen. nov.; Crescispina Luo & Wang, gen. nov.) to revise Periplaneta s.l. We describe two new species (Hobbitoblatta semialata Luo & Wang, sp. nov. and Crescispina qiaoi Luo & Wang, sp. nov.). We treat Mimosilpha as the junior synonym of Homalosilpha. The ASR analyses reveal the evolutionary status of genital characteristics in Blattinae s.s. and suggest that the morphology of sclerites L4C, R1H and R1G can be used as diagnostic characters for genera or subfamilies.
期刊介绍:
Systematic Entomology publishes original papers on insect systematics, phylogenetics and integrative taxonomy, with a preference for general interest papers of broad biological, evolutionary or zoogeographical relevance.