Descriptions of three new species of jumping-spiders, genus Arnoliseus (Araneae, Salticidae), from Rio de Janeiro state, Brazil, with comments on their genital morphology and a key to species

Renner Luiz Cerqueira Baptista; Pedro de Souza Castanheira; Gabriel Assunção Oliveira; André Wanderley do Prado

Descriptions of three new species of jumping-spiders, genus Arnoliseus (Araneae, Salticidae), from Rio de Janeiro state, Brazil, with comments on their genital morphology and a key to species

2020

Renner Luiz Cerqueira Baptista | Pedro de Souza Castanheira | Gabriel Assunção Oliveira | André Wanderley do Prado

New data on the jumping-spider genus Arnoliseus are presented. Three new species from the Atlantic Forest in Rio de Janeiro state are described, based on both sexes: Arnoliseus carioca sp. nov. from the city of Rio de Janeiro, and Arnoliseus hastatus sp. nov. and Arnoliseus falcatus sp. nov. from the municipality of Cachoeiras de Macacu. The genus’ genital morphology is discussed in detail and new English terminology for their structures is created. An identification key for all Arnoliseus species is given.

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