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Type: Article
Published: 2021-12-17
Page range: 278-285
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Taxonomical clarification of Tetrix gibberosa (Wang & Zheng), a high-backed pygmy grasshopper species from eastern PR China (Orthoptera: Tetrigidae)

School of Life Sciences, Huaibei Normal University, Huaibei 235000, P.R. China
School of Life Sciences, Huaibei Normal University, Huaibei 235000, P.R. China
School of Life Sciences, Huaibei Normal University, Huaibei 235000, P.R. China
School of Life Sciences, Huaibei Normal University, Huaibei 235000, P.R. China
Orthoptera Tetrigoidea Tetriginae taxonomy synonym pleomorphism

Abstract

Tetrix gibberosa (Wang & Zheng) is a high-backed pygmy grasshopper species from eastern PR China. Due to its reduced hind wings and pleomorphism (length changes of hind wings and the hind pronotal process, which is generally called macropterous and brachypterous morphs), the species have been described into different species which involve several taxonomically confused genera. This study clarifies its taxonomy and distribution and provides ecological information for the species. At the same time, we comment the relationships of related genera in the subfamily Tetriginae, including Tetrix Latreille, Exothotettix Zheng & Jiang, Alulatettix Liang, Aalatettix Zheng & Mao, Formosatettix Tinkham, and Formosatettixoides Zheng. Additionally, we report for the first time that nematodes can parasitize pygmy grasshoppers.

New synonyms are proposed: Tetrix gibberosa (Wang & Zheng, 1993) = Alulatettix bulbosus Zheng & Zhong, 2001, syn. nov., = Exothotettix jiangxiensis Liang & Jia, 2008, syn. nov., = Tetrix glochinota Zhao, Niu & Zheng, 2010, syn. nov., = Alulatettix nigromarginalis Zhang, Deng & Zha, 2014, syn. nov., = Alulatettix flavotibialis Zhang, Deng & Zha, 2014, syn. nov..

 

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