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Issue: Vol. 5501 No. 2: 30 Aug. 2024
Type: Article
Published: 2024-08-30
DOI: 10.11646/zootaxa.5501.2.7
Page range: 345-357
Abstract views: 311
PDF downloaded: 18

Two new species of the Andean genera Leptopeltus Bernhauer and Leptopeltoides Chani-Posse & Asenjo (Coleoptera: Staphylinidae: Staphylininae) from the tropical Andes, with a new country record and an updated phylogeny

Laboratorio de Entomología; Instituto Argentino de Investigaciones de las Zonas Áridas (IADIZA); CCT CONICET Mendoza; Parque General San Martín; s/n; 5500 Mendoza; Argentina; Departamento de Entomología; Museo de Historia Natural de la Universidad Nacional Mayor de San Marcos; Av. Arenales 1256; Jesús María; Lima 14; Peru
Laboratorio de Entomología; Instituto Argentino de Investigaciones de las Zonas Áridas (IADIZA); CCT CONICET Mendoza; Parque General San Martín; s/n; 5500 Mendoza; Argentina
Coleoptera Staphylinini Philonthina Peruvian Yungas montane cloud forest systematics

Abstract

The tropical Andes are known as a biodiversity hotspot with the highest percentage of endemic plants and vertebrates in the world. The Andean genera Leptopeltus Bernhauer and Leptopeltoides Chani-Posse & Asenjo contain six and four species respectively, most of which occur in the Andean highlands near 3000 m. Here, we describe two new species of the subtribe Philonthina, recently discovered in the northern Peruvian Andes: Leptopeltus dieguezi sp. nov. and Leptopeltoides nilveri sp. nov. To test the phylogenetic position of these new taxa, a dataset of 50 morphological characters scored for 16 taxa, including all currently known species of Leptopeltus, and Leptopeltoides, was prepared and analysed by maximum parsimony. Our analysis clearly placed L. dieguezi sp. nov. and Le. nilveri sp. nov. within Leptopeltus and Leptopeltoides, respectively, each of them in a well-supported clade. In addition, Le. nilveri sp. nov. represents the first country record of the genus for Peru. An updated phylogeny and distribution map of the species of Leptopeltus and Leptopeltoides, as well as revised keys to the species of these two genera, are provided.

 

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