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A new species of alpine Apenetretus Kurnakov from Taiwan: evidences from DNA barcodes and morphological characteristics (Coleoptera, Carabidae, Patrobini).

ABSTRACT: There are three isolated mountain ranges in Taiwan including Hsueshan Range, Central Mountain Range, and Yushan Range. The rise of these mountains has resulted in the isolation of some species and caused allopatric distribution resulting in divergence and speciation events of high mountain carabids, especially the flightless carabids such as Epaphiopsis, Apenetretus, and partial Nebria. Genus Apenetretus Kurnakov (1960) is typically distributed in high mountain areas of Taiwan. Three of the currently known Apenetretus species have been described from different mountain ranges. These species include Apenetretus yushanensis Habu, Apenetretus nanhutanus Habu, and Apenetretus smetanai Zamotajlov and Sciaky. In this study, a new species is described from Hsueshan, a mountain separated from the ranges of the previous known species, Apenetretus hsueshanensis sp. n. A key to the Taiwanese Apenetretus is included. A reconstructed phylogeny of the Taiwanese Apenetretus is introduced with the use of mitochondrial cytochrome c oxidase subunit I (COI) gene. Molecular data and geographical distribution of Apenetretus support the morphological characteristics observed among those mountain-isolated species and confirms the new species as being distinctly different. Moreover, lineage calibration suggests that the southern Apenetretus yushanensis is the most distant one compared to the other three northern Apenetretus at ca. 1.81 million years ago (mya), while the divergence time of Apenetretus hsueshanensis to its sister group was dated to 0.94 mya.

SUBMITTER: Weng YM

PROVIDER: S-EPMC4857027 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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A new species of alpine Apenetretus Kurnakov from Taiwan: evidences from DNA barcodes and morphological characteristics (Coleoptera, Carabidae, Patrobini).

Weng Yi-Ming YM Yeh Wen-Bin WB Yang Man-Miao MM

ZooKeys 20160426 584

There are three isolated mountain ranges in Taiwan including Hsueshan Range, Central Mountain Range, and Yushan Range. The rise of these mountains has resulted in the isolation of some species and caused allopatric distribution resulting in divergence and speciation events of high mountain carabids, especially the flightless carabids such as Epaphiopsis, Apenetretus, and partial Nebria. Genus Apenetretus Kurnakov (1960) is typically distributed in high mountain areas of Taiwan. Three of the curr ...[more]

PMID: 27199599

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Project description:A taxonomic review of the known Taiwanese taxa of the pericaline Lebiini, this paper includes a key to the genera, keys to species, descriptions, and redescriptions of all species, illustrations, geographic range maps, re-rankings, and new synonymies. In total 34 species are treated, nine of which are described as new. A new genus and new species are as follows: Bellavalentis gen. n., (type species Dolichoctiskuzugamii Shibata, 1967); Amphimenesabsensacidus sp. n.; Amphimenesbeichatiensis sp. n.; Amphimenescarinacaulis sp. n.; Catascopus(s. str.)asahartisp. n.; Catascopus(s. str.)viridiorchissp. n.; Coptodera (Coptoderina) occultasp. n.; Dolichoctisbadiadorsis sp. n.; Dolichoctisdilatata sp. n.; Moctherusobscurabasis sp. n. After close examination of the type material of several species, we were able to determine that Coptoderinachaudoirianguilipennis (Nakane and Okhura) is a junior synonym of Coptodera (Coptoderina) chaudoiri Andrewes, syn. n. and Coptoderanobilis Jedli?ka is also a junior synonym of C.chaudoiri, syn. n. Dolichoctisstriatusformosanus Habu is a junior synonym of Dolichoctisrotundata (Schmidt-Goebel), syn. n.Dolichoctis (Mochtherus) uenoi Habu is a junior synonym of Mochtherusluctuosus Putzeys, syn. n. Pericalusformosanus Dupuis was recently ranked as a subspecies of Pericalusornatusformosanus Dupuis. After consideration of the several consistent taxonomic characteristics and also considering its allopatric distribution with all other species of Pericalus, we believe Pericalusformosanus Dupuis to be a valid species, stat. resurr. The monobasic genus Pseudomenarus (type species Pseudomenarusflavomaculatus Shibata, 1964) is established as conspecific with members of the genus Formosiella Jedli?ka, 1951, comb. n. Species previously recorded from Taiwan that are not present here include: Amphimenespiceolus Bates; Catascopusaequatus Dejean; Catascopusfacialis (Wiedemann) Coptoderainterrupta Schmidt-Goebel Coptoderaflexuosa Schmidt-Goebel and Peripristusater (Laporte). The pericaline taxa of Taiwan are arranged in 14 genera, five subgenera, and 34 currently known species. Notes on collecting circumstances, habits, and habitat are included when known.

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 new species of alpine Apenetretus Kurnakov from Taiwan: evidences from DNA barcodes and morphological characteristics (Coleoptera, Carabidae, Patrobini).

Publications

A new species of alpine Apenetretus Kurnakov from Taiwan: evidences from DNA barcodes and morphological characteristics (Coleoptera, Carabidae, Patrobini).

Similar Datasets

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