Systematic revision of the South American “ Nuncia ” (Opiliones, Laniatores, Triaenonychidae) Author Porto, Willians 0000-0002-4209-5664 División Aracnología, Museo Argentino de Ciencias Naturales – CONICET, Av. Ángel Gallardo 470, C 1405 DJR Buenos Aires, Argentina & Sección Aracnología y Miriapodología, Universidad Nacional de La Plata, Facultad de Ciencias Naturales y Museo, Paseo del Bosque s / n, (1900) La Plata, Argentina Author Derkarabetian, Shahan 0000-0002-9163-9277 Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA & San Diego Natural History Museum, Department of Entomology, San Diego, CA 92101, USA Author Giribet, Gonzalo 0000-0002-5467-8429 Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA Author Pérez-González, Abel 0000-0002-4245-3302 División Aracnología, Museo Argentino de Ciencias Naturales – CONICET, Av. Ángel Gallardo 470, C 1405 DJR Buenos Aires, Argentina text ZooKeys 2024 2024-07-12 1207 1 149 journal article 299803 10.3897/zookeys.1207.120068 d7935e1b-a3af-427e-afd7-88ee385dc1e7 8B2E2B5D-CA1D-4B61-8736-ECF013EDC384 Genus Mistralia gen. nov. Figs 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 Nuncia [part] (only references to Nuncia verrucosa ): Maury 1990: 106 ; Maury 1992: 5 ; Acosta and Maury 1998: 579 ; Kury 2003: 22 . Etymology. The generic epithet is a reference to the Chilean poet, diplomat, and educator Gabriela Mistral (1889–1957). Feminine grammatical gender. Diagnosis. It differs from all other genera in Triaenonychidae by the morphology of the male genitalia, where the capsula interna features a lateral plate formed by a projection of the pars basalis onto the pars distalis. The dorsal scutum is covered in sharp tubercles ( M. ramirezi sp. nov. ) or wart-shaped ( M. verrucosa ). Ocularium with an apical apophysis. Type species. Nuncia verrucosa Maury, 1990 Included species. Mistralia ramirezi sp. nov. , Mistralia verrucosa comb. nov. Distribution. Argentina : Neuquén , Río Negro . Chile , Regions: Bío-Bío , Los Lagos (Fig. 4 B ).