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Issue: Vol. 5437 No. 2: 12 Apr. 2024
Type: Article
Published: 2024-04-12
DOI: 10.11646/zootaxa.5437.2.3
Page range: 223-244
Abstract views: 112
PDF downloaded: 2

A new species and new records of the spider genus Dubiaranea (Araneae, Linyphiidae) from southern Brazil and Uruguay, with an analysis of the potential distribution of the species

Sección Entomología; Facultad de Ciencias; Universidad de la República; Iguá 4225; PC 11400; Montevideo; Uruguay
Sección Entomología; Facultad de Ciencias; Universidad de la República; Iguá 4225; PC 11400; Montevideo; Uruguay
Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP); Departamento de Morfologia e Fisiologia Animal; Via de Acesso Prof. Paulo Donato Castellane km 05; 14884-900 Jaboticabal; São Paulo; Brazil
Laboratorio de Desarrollo Sustentable y Gestión Ambiental del Territorio; Facultad de Ciencias; Universidad de la República; Iguá 4225; PC 11400; Montevideo; Uruguay
Sección Entomología; Facultad de Ciencias; Universidad de la República; Iguá 4225; PC 11400; Montevideo; Uruguay
Sección Entomología; Facultad de Ciencias; Universidad de la República; Iguá 4225; PC 11400; Montevideo; Uruguay
Araneae Taxonomy favourability Neotropical Pampa biome Atlantic Forest

Abstract

Dubiaranea magatama Cajade, Hagopián & Rodrigues n. sp. is described from Uruguay, and southern Brazil based on males and females from several types of native forests, and a potential distribution for this species is modeled. The predicted model for this species indicates a Pampean province and southern Atlantic Forest biome distribution. Three variables contributed significantly to the model with positive influence: the spatial component, the proximity to large rivers, and the tree cover. Also, we provide new records of Dubiaranea difficilis (Mello-Leitão 1944) for Uruguay and a model of its potential distribution was performed. It showed that tree cover, the proximity to large rivers, the spatial component and precipitation/evapotranspiration constraints were recovered for the model with positive influence, expanding the potential distribution area previously proposed.

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