Taxonomic revision of the Stenopelmatus talpa species group (Orthoptera: Stenopelmatidae: Stenopelmatini)

IF 0.8 4区环境科学与生态学 Q4 BIODIVERSITY CONSERVATION

Revista Mexicana de Biodiversidad Pub Date : 2023-10-03 DOI:10.22201/ib.20078706e.2023.94.5184

Miguel Ángel Suastes-Jiménez, Ludivina Barrientos-Lozano, Jorge Gutiérrez-Rodríguez, Jovana M. Jasso-Martínez, Alejandro Zaldívar-Riverón

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引用次数: 0

Abstract

We carried out a taxonomic revision of the Stenopelmatus talpa species group (Stenopelmatidae: Stenopelmatini), a poorly studied group of orthopterans whose species are distributed along the Trans-Mexican Volcanic Belt and adjacent areas of the Sierra Madre Oriental and Sierra Madre del Sur in Central Mexico. We examined both features from both the external morphological and male internal genitalia, and also carried out a molecular species delimitation based on DNA barcoding. An integrative approach based on congruence of morphological and molecular evidence helped to delimit 9 species for the S. talpa species group, 7 of which are new to science whereas the remaining 2 are already described, S. talpa and S. typhlops. We described 4 out of the above 7 new species: Stenopelmatus chilango sp. nov., S. purepecha sp. nov., S. sierragordaensis sp. nov. and S. tlaxcalli sp. nov. A key to the described species of the S. talpa species group is provided. Our study highlights the relevance of the male internal genitalia as a valuable character system to delimit species in Stenopelmatus.

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长条窄蛉属群的分类学修订(直翅目:窄蛉科:窄蛉属)

本文对窄足足(Stenopelmatus talpa)种群(窄足足科:窄足足)进行了分类修订，这是一个研究较少的直足类，其物种分布在墨西哥中部的跨墨西哥火山带以及东部马德雷山脉和南马德雷山脉的邻近地区。我们从外生殖器和雄性内生殖器两方面检查了这两个特征，并进行了基于DNA条形码的分子物种划分。基于形态学和分子证据一致性的综合方法帮助划分了9个物种，其中7个是科学上的新物种，而剩下的2个已经被描述过，即talpa和S. typhlops。在这7个新种中，我们描述了4个新种:Stenopelmatus chilango sp. nov.、s.purepecha sp. nov.、s.sierragordaensis sp. nov.和s.tlaxcalli sp. nov.。我们的研究强调了雄性内生殖器作为一个有价值的特征系统的相关性，以确定窄尾鳗的物种。

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来源期刊

Revista Mexicana de Biodiversidad 环境科学-生物多样性保护

CiteScore

1.50

自引率

11.10%

发文量

审稿时长

12-24 weeks

期刊介绍： Revista Mexicana de Biodiversidad appears in 4 issues per year and publishes the products of original scientific research regarding biodiversity of the Americas (systematics, biogeography, ecology and evolution), as well as its conservation and management. The journal ensures high standards with a system of external peer review, and is included in the list of excellence of journals of the National Council of Science and Technology (CONACyT, Mexico). It is currently included in ASFA, Biological Abstracts, Biological Sciences, Latindex Periódica, RedALyC, Web of Science (Thomson Reuters), SciELO, SCOPUS, and Zoological Records.