Taxonomic revision of the Neotropical spiders of the genus Idiops Perty, 1833 (Araneae, Idiopidae), with description of four new species

Neotropical species of the genus Idiops Perty, 1833 are reviewed, and four new described from Brazil: I. duocordibus Fonseca-Ferreira, Guadanucci & Brescovit sp. nov., guri mocambo nov. sertania The majority redescribed based on examination types extensive material. Males petiti (Guérin, 1838), rastratus (Pickard-Cambrige, 1889), rohdei Karsch, 1886 nilopolensis Mello-Leitão, 1923, females fuscus pirassununguensis Fukami Lucas, 2005, hitherto unknown, for first time. nilopolensis, considered a nomen dubium, is revalidated. fulvipes Simon, 1889 synonymized with argus 1889, santaremius 1896) petiti. Neotypes designated fuscus, siolii (Bücherl, 1953). bonapartei Hasselt, 1888 inquirendae, since type an immature female. Finally, updated distribution map included. now has 24 in region.