A Taxonomic Revision Of The Spider Genus Meriola Banks (Araneae: Trachelidae) Author González, María E. 0000-0003-1609-0314 mariaegm86@gmail.com Author Grismado, Cristian J. 0000-0002-1260-7964 grismado@macn.gov.ar Author Ramírez, Martín J. 0000-0002-0358-0130 ramirez@macn.gov.ar text Zootaxa 2021 2021-02-24 4936 1 1 113 journal article 7437 10.11646/zootaxa.4936.1.1 5404afb9-168e-4d0f-b386-da1c314df1d9 1175-5326 4559165 DAC2F49B-EE13-4827-B549-C59B9C43550B Meriola foraminosa Keyserling Figs 31–33 , 89 Trachelas foraminosus Keyserling, 1891: 60 , fig. 32 (female holotype from Rio Grande , Rio Grande do Sul , Brazil , in BMNH, examined by Platnick & Ewing, 1995 ). Meriola foraminosa Platnick & Ewing, 1995: 29 , fig. 72–76. Diagnosis. Both sexes present depressed setal bases associated with tubercles covering the carapace surface. Males ( Figs 32–33 ) can by distinguished by the short, twisted embolus, RTA nearly triangular with acute tip, and the presence of a distal spine on the prolateral side of femora II and III. Females ( Fig. 31 ) can be also distinguished by the narrow anterior epigynal hood and the well separated copulatory openings and the very wide median field. Description. See Platnick & Ewing (1995) for male and female descriptions. FIGURE 31. Meriola foraminosa Keyserling , female (MACN-Ar 30566). a , habitus, dorsal view; b , same, ventral view; c , same, lateral view; d, prosoma, dorsal view; e , same, ventral view; f , same, lateral view; g , habitus, anterior view; h , epigyne, ventral view. FIGURE 32. Meriola foraminosa Keyserling , male (MACN-Ar 19130). a , habitus, dorsal view; b , same, ventral view; c , same, lateral view; d , prosoma, dorsal view; e , same, ventral view; f , same, lateral view. Natural history and habitat. Several specimens were collected in pitfall traps in forests and shrub steppes, between rocks. Distribution. Known from a few localities in Venezuela , Ecuador , Perú , Brazil , Chile , and from La Rioja , Buenos Aires , Neuquén and Río Negro provinces in Argentina ( Fig. 89 ). New records. ECUADOR : Pichincha : Quito , in building, S 0.180653° , W 78.467838° , IV.1994 , V. & B. Roth , 1 male ( CAS , CASENT 9059208 ) . PERÚ : Puno : Chucuito : Cerro Ancomarca , S 16.648331° , W 69.364453° , elev. 4081 m , 4.III.2010 , E. Razuri , 1 female ( MUSM-ENT 0501377 ) . BRAZIL : Rio Grande do Sul : Pelotas , S 31.765399° , W 52.337589° , 1–3.V.1997 , L. Moura , 1 male ( MCN 28371) . Capão do Leão , S 31.836963° , W 52.574653° , 15.I.2008 , J. Rosado , 2 males ( MCN 46783) . ARGENTINA : La Rioja : Chilecito : Guanchin , S 29.182324° , W 67.644785° , 24.X.1980 , M. Galiano , 1 male ( MACN-Ar 16327 ) . Buenos Aires : Campana : Reserva Natural Otamendi , S 34.230186° , W 58.869773° , 30.VI.2007 , C. Grismado , L. Damer , I. Crudele , S. Olejnik , S. Trivero , N. López & S. De Biase , 1 male , sample CJG-03001, temporary preparation CJG-01242 ( MACN-Ar 12818 ) . La Matanza : Lomas del Mirador , S 34.666369° , W 58.533396° , IV.1995 , C. Grismado , 1 female ( MACN-Ar 16365) . Tornquist : Sierra de la Ventana , S 38.137325° , W 61.794005° , I.1991 , between rocks, A. Belner & N. Florio , 1 female ( MACN-Ar 30566 ) . Sierra de la Ventana, Cerro Negro , S 38.139334° , W 61.794130° , 12.IV.1974 , C. Cesari , 1 male ( MACN-Ar 16351 ) . Neuquén : Truran Kura nr. San Martín de los Andes , S 40.157988° , W 71.317981° , elev. 1000 m , 27–30.IX.1986 , M. Gentill , 1 female ( NMHN 01561 ) . Río Negro : Bariloche : Parque Nacional Nahuel Huapi , Cerro López , S 41.08152° , W 71.54571° , elev. 800 m , III.2006 , pitfall traps , V. Werenkraut, 1 male , temporary preparations MGM-00193, MGM-00484, MGM-00485 ( MACN-Ar 19130 ) . Bariloche : Cerro Challhuaco , S 41.18041° , W 71.32352° , elev. 908 m , I.2006 , pitfall traps , V. Werenkraut , 1 male ( MACN-Ar 21751 ) . Bariloche : El Bolsón , Loma del Medio , S 41.977258° , W 71.554162° , II.2002 , pitfall traps , P. Sackmann , 1 male ( MACN-Ar 33076 ) . Same locality, I.2002 , pitfall traps , P. Sackmann , 1 male ( MACN-Ar 33078 ) . CHILE : Región RM Metropolitana de Santiago : Provincia de Cordillera : Reserva Nacional Río Clarillo , S 33.7635436° , W 70.4218734° , collector unknown, 4 females , 6 males ( MACN-Ar 30969 ) .