On the sun-spiders of the ibirapemussu species-group of the genus Gaucha Mello-Leitão, 1924 (Solifugae, Mummuciidae), with description of a new species Author Carvalho, Leonardo S. Author Botero-Trujillo, Ricardo text Zootaxa 2019 2019-11-19 4700 2 289 298 journal article 24860 10.11646/zootaxa.4700.2.8 fe86d52f-79fc-4642-950a-75341be789f1 1175-5326 3548492 D1B619CD-07E7-41B7-92E2-7612426B5515 Genus Gaucha Mello-Leitão, 1924 Gaucha Mello-Leitão, 1924: 140 –141 (as Gaùcha [sic]). Type species: Gaucha fasciata Mello-Leitão, 1924 (by original designation). Gauchella Mello-Leitão, 1937: 84 (synonymized by Botero-Trujillo et al. 2017: 13 ). Type species: Gaucha stoeckeli Roewer, 1934 . Metacleobis Roewer, 1934: 589 (synonymized by Botero-Trujillo et al. 2017: 13 ). Type species: Metacleobis fulvipes Roewer, 1934 . Mummuciella Roewer, 1934: 583 , 587 (synonymized by Mello-Leitão, 1937: 84). Type species: Mummuciella simoni Roewer, 1934 . Species composition. Twelve South American species, namely: Gaucha avexada Botero-Trujillo, Ott & Carvalho, 2017 ; Gaucha cabriola sp. nov. ; Gaucha casuhati Botero-Trujillo, Ott & Carvalho, 2017 ; Gaucha curupi Botero- Trujillo, Ott & Carvalho, 2017; Gaucha eremolembra Botero-Trujillo, Ott & Carvalho, 2017 ; Gaucha fasciata Mello-Leitão, 1924 ; Gaucha fulvipes (Roewer, 1934) ; Gaucha ibirapemussu (Carvalho, Candiani, Bonaldo, Suesdek & Silva, 2010) ; Gaucha mauryi ( Rocha , 2001) ; Gaucha ramirezi Botero-Trujillo, Ott, Mattoni, Nime , Ojanguren- Affilastro, 2019; Gaucha santana Botero-Trujillo, Ott, Mattoni, Nime, Ojanguren-Affilastro, 2019 ; and Gaucha stoeckeli Roewer, 1934 ; Distribution. Argentina ( Buenos Aires , Córdoba and Santiago del Estero provinces), Bolivia ( Cochabamba and La Paz departments), Brazil (States of Bahia , Distrito Federal , Goiás , Mato Grosso , Mato Grosso do Sul , Minas Gerais , Pernambuco [new record], Piauí , Rio Grande do Sul , Tocantins ), Uruguay ( Lavalleja , Río Negro , Rivera ). Diagnosis. See details in Botero-Trujillo et al. (2017: 13) and amendment regarding the pleural marks made by Botero-Trujillo et al. (2019) .