Description of Two New Species of the Africana-Group of the Genus Gryllotalpa, with a Redescription of Gryllotalpa africana Beauvois (Orthoptera: Gryllotalpidae)

IF 0.6 4区生物学 Q4 ZOOLOGY

African Zoology Pub Date : 2021-01-02 DOI:10.1080/15627020.2020.1858343

Alain Simeu-Noutchom, S. Kekeunou, Alain Christel Wandji, Marcelle Mbadjoun Nzike, Philene Corinne Aude Um Nyobe, Alfiery Laurel Djomnang Nkwala, Linda Gaelle Guiadem Simo

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引用次数: 1

Abstract

Three species of the africana-group of the Genus Gryllotalpa (Orthoptera: Gryllotalpidae) were recorded from Cameroon during an investigation from March 2016 to March 2018: Gryllotalpa africana Beauvois from Buea and Tombel, and two new species, Gryllotalpa tombelensis Simeu-Noutchom and Kekeunou sp. nov. from Tombel and Gryllotalpa babetensis Simeu-Noutchom and Kekeunou sp. nov. from Babété. Gryllotalpa tombelensis is characterised by short wing morphology, vestigial hind wings, small phallic complex, short internal processes, and dorsoventrally flattened body. Gryllotalpa babetensis is distinct from other species of the africana-group by the mesoscutum being more exposed between the pronotum and the base of the fore wings, having a very large phallic complex, with very long internal processes of ectophallus (3 mm long). Both new species were collected in crop fields, but which differ in their habitat characteristics, such as soil moisture, pH and granulometry. A key and comments on the africana-group species of the genus Gryllotalpa and their habitat characteristics are also provided. The finding of the present study aims to help species identification and will help future taxonomists concerned with biodiversity of this group from Cameroon.

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Gryllotapa属非洲群两新种的记述及Gryllotipa Africana Beauvois的再记述（直翅目：Gryllotapidae）

在2016年3月至2018年3月的一次调查中，喀麦隆记录了Gryllotapa属（直翅目：Gryllotapidae）非洲群的三个物种：Buea和Tombel的Gryllotipa africana Beauvois，以及Tombel的两个新种Gryllotepa tombelensis Simeu Nouchom和Kekeunou sp.nov.，Babété的Gryltotapa babetensis Simeu nouchom和Kekeunou sp.nov。通贝莱Gryllotapa tombelensis的特征是翅膀短，后翅退化，阴茎复合体小，内突短，身体背中央扁平。Gryllotapa babetensis与非洲群的其他物种不同，因为中胚层更多地暴露在前肢和前翅基部之间，具有非常大的阴茎复合体，具有非常长的外生殖器内部突起（3毫米长）。这两个新物种都是在麦田里采集的，但它们的栖息地特征不同，如土壤湿度、pH值和粒度。文中还介绍了Gryllotapa属非洲群物种及其生境特征。本研究的发现旨在帮助物种识别，并将有助于未来关注喀麦隆该类群生物多样性的分类学家。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

African Zoology 生物-动物学

CiteScore

2.60

自引率

9.10%

发文量

审稿时长

>12 weeks

期刊介绍： African Zoology , a peer-reviewed research journal, publishes original scientific contributions and critical reviews that focus principally on African fauna in terrestrial, freshwater, and marine ecosystems. Research from other regions that advances practical and theoretical aspects of zoology will be considered. Rigorous question-driven research in all aspects of zoology will take precedence over descriptive research. The Journal publishes full-length papers, critical reviews, short communications, letters to the editors as well as book reviews. Contributions based on purely observational, descriptive or anecdotal data will not be considered. The Journal is produced by NISC in association with the Zoological Society of South Africa (ZSSA). Acceptance of papers is the responsibility of the Editors-in-Chief in consultation with the Editors and members of the Editorial Advisory Board. All views expressed are those of the author and not necessarily those of the Editors or the Department.