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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Two new and unusual species of Tibelloides Mello-Leitão, 1939 (Araneae: Philodromidae).
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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.
Tibelloides Mello-Leitão, 1939 currently comprises four species of Neotropical grass-dwelling spiders. Herein, we describe and illustrate Tibelloides castelo sp. nov.
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Laboratório de Entomologia, Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ, 21941-902, Brazil.
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