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Issue: Vol. 5497 No. 4: 27 Aug. 2024
Type: Article
Published: 2024-08-27
DOI: 10.11646/zootaxa.5497.4.6
Page range: 559-576
Abstract views: 158
PDF downloaded: 9

Two new and unusual species of Tibelloides Mello-Leitão, 1939 (Araneae: Philodromidae)

Laboratório de Diversidade de Aracnídeos; Instituto de Biologia; Universidade do Brasil/Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373; 21941-902; Ilha do Fundão; Rio de Janeiro; RJ; Brazil; Harry Butler Institute; Murdoch University; 90 South St; Murdoch; Western Australia 6150; Australia; Department of Terrestrial Zoology; Western Australian Museum; Locked Bag 49; Welshpool DC; Western Australia 6986; Australia
Laboratório de Aracnologia; Coordenação de Zoologia; Museu Paraense Emílio Goeldi; Campus de Pesquisa. Av. Perimetral 1901; 66077-830; Terra Firme; Belém; PA; Brazil; Programa de Pós-graduação em Zoologia; Universidade Federal do Pará / Museu Paraense Emílio Goeldi
Laboratório de Diversidade de Aracnídeos; Instituto de Biologia; Universidade do Brasil/Universidade Federal do Rio de Janeiro. Av. Carlos Chagas Filho 373; 21941-902; Ilha do Fundão; Rio de Janeiro; RJ; Brazil
Araneae Running crab spiders Neotropical region taxonomy systematics South America

Abstract

Tibelloides Mello-Leitão, 1939 currently comprises four species of Neotropical grass-dwelling spiders. Herein, we describe and illustrate Tibelloides castelo sp. nov. with few records from Brazil (Minas Gerais, Piauí, Rio de Janeiro), and Tibelloides juatuba sp. nov., with records from Brazil (Minas Gerais, Pará, Paraná, Rondônia) and Paraguay (San Pedro). These two new species differ from the previously described ones by having body and legs conspicuously longer and thinner, male pedipalp without retrolateral marginal conductor, and female genitalia with compound copulatory ducts tubular and elongated.

 

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