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Issue: Vol. 4138 No. 1: 14 Jul. 2016
Type: Article
Published: 2016-07-14
DOI: 10.11646/zootaxa.4138.1.2
Page range: 59–82
Abstract views: 96
PDF downloaded: 5

Phylogeny and revision of a colorful Neotropical genus of rove beetles: Xenopygus Bernhauer (Coleoptera: Staphylinidae)

Laboratório de Pesquisa em Coleoptera, Setor Palotina, Universidade Federal do Paraná, Palotina, Paraná, Brazil.
Laboratório de Pesquisa em Coleoptera, Setor Palotina, Universidade Federal do Paraná, Palotina, Paraná, Brazil.
Laboratório de Sistemática e Bioecologia de Coleoptera (Insecta), Setor de Ciências Biológicas, Universidade Federal do Paraná, Curitiba, Paraná, Brazil.
Laboratório de Sistemática e Bioecologia de Coleoptera (Insecta), Setor de Ciências Biológicas, Universidade Federal do Paraná, Curitiba, Paraná, Brazil.
Coleoptera description taxonomy new species new world Xanthopygina

Abstract

Xenopygus Bernhauer is one of the most colorful staphylinid beetles and widespread in the Neotropical region. The aim of this study was to test the monophyly of Xenopygus based on adult morphology and to review the current species. Cladistic analysis was performed with six ingroup species, including two new species. Xenopygus is a monophyletic group supported by: antennomere V as wide as long to slightly wider, antennomere VII two times wider than long and superior line of pronotal hypomere developed, continuous on the anterior angle of pronotum. Xenopygus is composed of six species, four previously described and two new species, with the following topology: ((X. analis+(X. bicolor+X. confusus))+(X. cordovensis+(X. sancticamillus, sp. nov.+ X. petilicolis, sp. nov.))). Xenopygus is the sister group to a clade formed by species of Dysanellus and Xanthopygus, corroborating previous phylogenetic studies. The genus, and all its species were redescribed, an identification key was produced and illustration diagnostic plates and distribution maps were also provided.

 

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