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Issue: Vol. 4291 No. 2: 12 Jul. 2017
Type: Article
Published: 2017-07-12
DOI: 10.11646/zootaxa.4291.2.1
Page range: 201–242
Abstract views: 87
PDF downloaded: 3

Taxonomic revision and cladistic analysis of the genus Metalibitia Roewer, 1912 (Opiliones, Cosmetidae, Cosmetinae) 

Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo. Caixa Postal 11461, 05422-0 São Paulo, SP, Brazil.
Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo. Caixa Postal 11461, 05422-0 São Paulo, SP, Brazil.
Opiliones Opiliones systematics Cosmetidae taxonomy phylogeny

Abstract

The genus Metalibitia Roewer, 1912, is revised for the first time, and a cladistic analysis revealed that it is a monophyletic clade. This cosmetid harvestmen genus is restricted to open forests and adjacent vegetational formations in South America (humid Forest, being found mostly in the region of cerrado/chaco/pampas). An identification key for all known species is presented and a new species is described, Metalibitia abuna sp. nov. (type locality: Abunã, Porto Velho, Rondônia, Brazil). Two species, Paralibitia maculata Roewer, 1914 and Labrosa arenosa Mello-Leitão, 1939, are here synonymized under Metalibitia argentina (Sørensen, 1884).

 

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