Molecular phylogeny of Chinese raspy crickets (Orthoptera: Gryllacrididae) reveals incongruences in current classification

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC ACS Applied Electronic Materials Pub Date : 2024-08-01 DOI:10.1093/zoolinnean/zlae051

Shi-Yu Li, Yi-Jiao Liu, Jing-Yi Xu, Zi-Xu Yin, Zhu-Qing He

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Abstract

The current classification system of the family Gryllacrididae primarily relies on morphological characteristics, with limited molecular studies conducted. In this study, we sequenced five genes (COI, COII, Cytb, 18S, and 28S) from a total of 46 gryllacridid individuals mainly from China. Subsequently, we utilized both the maximum likelihood method and the Bayesian inference method to construct a phylogenetic tree, aiming to elucidate the phylogenetic relationships within Gryllacrididae from China. Our results indicate that the genera Phryganogryllacris Karny, Capnogryllacris Karny, and Eugryllacris Karny are not monophyletic. Thus, we redescribe these genera, resurrect two genera (Marthogryllacris Karny stat. resurr. and Borneogryllacris Karny stat. resurr.), erect six new genera (Dracogryllacris gen. nov., Magnigryllacris gen. nov., Radigryllacris gen. nov., Sericgryllacris gen. nov., Bicornisgryllacris gen. nov., and Tenuigryllacris gen. nov.), and described two new species (Tenuigryllacris huanglianensis Li, Yin & He sp. nov. and Tenuigryllacris yingjiangensis Li, Yin & He sp. nov.). Besides, subgenus Bianigryllacris Cadena-Castañeda is a synonym of Apterolarnaca Gorochov.

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中国蟋蟀（直翅目：蝼蛄科）的分子系统发育揭示了当前分类的不一致性

目前蝼蛄科的分类系统主要依赖于形态特征，分子研究有限。在本研究中，我们对主要来自中国的 46 个蝼蛄个体进行了五个基因（COI、COII、Cytb、18S 和 28S）的测序。随后，我们利用最大似然法和贝叶斯推断法构建了系统发生树，旨在阐明中国蝼蛄科的系统发生关系。结果表明，Phryganogryllacris Karny属、Capnogryllacris Karny属和Eugryllacris Karny属不是单系。因此，我们对这些属进行了重新描述，复活了两个属（Marthogryllacris Karny stat.resurr.和 Borneogryllacris Karny stat.resurr.），建立了六个新属（Dracogryllacris gen、和 Tenuigryllacris gen. nov.），并描述了两个新种（Tenuigryllacris huanglianensis Li, Yin & He sp.）此外，Bianigryllacris Cadena-Castañeda 亚属是 Apterolarnaca Gorochov 的异名。

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