Dataset Information

A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).

ABSTRACT: A new genus and two new species of cavernicolous trechines are reported from central Guizhou Province, southwestern China. Haixiaphaenops gen. nov. is established to place a new species discovered in two limestone caves in northern Qingzhen Shi: H.jinxiaohongae sp. nov. (Dawan Dong cave and Changtu Dong and Dawan Dong caves). This new genus is allied to Zhijinaphaenops Uéno & Ran, 2002. Zhijinaphaenopszhaofeii sp. nov. is described from Zhangkou Dong cave in northern Jiuzhuang Zhen of Xifeng County. In addition, two new localities of the species Zhijinaphaenopsjingliae Deuve & Tian, 2015, and two new localities of SinaphaenopschengguangyuaniMa et al. 2020 are provided. A distribution map for all cavernicolous trechine beetles known in Guiyang is provided.

SUBMITTER: Tian M

PROVIDER: S-EPMC8671707 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).

Tian Mingyi M Cheng Guangyuan G Huang Sunbin S

ZooKeys 20211207

A new genus and two new species of cavernicolous trechines are reported from central Guizhou Province, southwestern China. Haixiaphaenops gen. nov. is established to place a new species discovered in two limestone caves in northern Qingzhen Shi: H.jinxiaohongae sp. nov. (Dawan Dong cave and Changtu Dong and Dawan Dong caves). This new genus is allied to Zhijinaphaenops Uéno & Ran, 2002. Zhijinaphaenopszhaofeii sp. nov. is described from Zhangkou D ...[more]

PMID: 35046754

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Project description:BackgroundThe Alpine region harbours one of the most diverse subterranean faunas in the world, with many species showing extreme morphological modifications. The ground beetles of tribe Trechini (Coleoptera, Carabidae) are among the best studied and widespread groups with abundance of troglobionts, but their origin and evolution is largely unknown.ResultsWe sequenced 3.4 Kb of mitochondrial (cox1, rrnL, trnL, nad1) and nuclear (SSU, LSU) genes of 207 specimens of 173 mostly Alpine species, including examples of all subterranean genera but two plus a representation of epigean taxa. We applied Bayesian methods and maximum likelihood to reconstruct the topology and to estimate divergence times using a priori rates obtained for a related ground beetle genus. We found three main clades of late Eocene-early Oligocene origin: (1) the genus Doderotrechus and relatives; (2) the genus Trechus sensu lato, with most anisotopic subterranean genera, including the Pyrenean lineage and taxa from the Dinaric Alps; and (3) the genus Duvalius sensu lato, diversifying during the late Miocene and including all subterranean isotopic taxa. Most of the subterranean genera had an independent origin and were related to epigean taxa of the same geographical area, but there were three large monophyletic clades of exclusively subterranean species: the Pyrenean lineage, a lineage including subterranean taxa from the eastern Alps and the Dinarides, and the genus Anophthalmus from the northeastern Alps. Many lineages have developed similar phenotypes independently, showing extensive morphological convergence or parallelism.ConclusionsThe Alpine Trechini do not form a homogeneous fauna, in contrast with the Pyrenees, and show a complex scenario of multiple colonisations of the subterranean environment at different geological periods and through different processes. Examples go from populations of an epigean widespread species going underground with little morphological modifications to ancient, geographically widespread lineages of exclusively subterranean species likely to have diversified once fully adapted to the subterranean environment.

Dataset Information

A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).

Publications

A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).

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Dataset Information

A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).

Publications

﻿A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

A contribution to the knowledge of cave-adapted ground beetles from Guiyang, central Guizhou Province, southwestern China (Coleoptera, Carabidae, Trechini).