A new species of the spider genus Xenonemesia Goloboff and first record of X. platensis Goloboff from Brazil (Araneae, Mygalomorphae, Microstigmatidae) Author Indicatti, Rafael Prezzi Author Lucas, Sylvia Marlene Author Brescovit, Antonio Domingos text Zootaxa 2007 1485 43 49 journal article 10.5281/zenodo.273785 c229a776-0d72-4c5f-bc6f-19d085470683 1175-5326 273785 Xenonemesia platensis Goloboff 1988 ( Figs. 1–4 , 9–17 ) Xenonemesia platensis Goloboff 1988 : 69 , figs. 1–12 (Female holotype and male paratype from General Pacheco, Buenos Aires, Argentina , deposited in Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Buenos Aires, 8603 and 8608 examined); Goloboff 1993 : 6 , 22; Goloboff 1995 : 5 ; Platnick 2006 . Diagnosis . Males of Xenonemesia platensis differ from those of X. otti n. sp. by the shorter embolus and straight apical region of the embolus ( Figs. 1–3 ), and females differ in the short, straight seminal receptacle in the genitalia ( Fig. 4 ). Description . See Goloboff (1988: 358–362, figs. 1–14) . New record . BRAZIL . Rio Grande do Sul : Caçapava do Sul, Santa Barbinha, 2 males (MCTP 17166; IBSP 12857). Distribution . Argentina , Uruguay and southern Brazil .