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 longitarsis Simon Figs 43–45 , 96 Trachelas longitarsis Simon, 1904: 104 , fig. 5 (male holotype from Punta Arenas , Magallanes , Región de Magallanes , Chile , in MNHN 12913, labeled as “Chili”, examined; Fig. 45b, c , g–i). Meriola longitarsis Platnick & Ewing, 1995: 18 , figs 34–38. Diagnosis. Males ( Figs 44 a–f, 45) are easily distinguished by a combination of an elongated cymbium constricted at the middle, a long, filiform embolus, and the distally pointed tegulum. Females ( Fig. 43 , 44g ) are recognized by the rectangular median field located posterior to the copulatory ducts and spermathecae, and the large, rounded secondary spermathecae ( Platnick & Ewing 1995 : figs 37, 38). Description. See Platnick & Ewing (1995) for male and female descriptions. Variability. The males show continuous variability in palpal morphology, with a long embolus and curved cymbium ( Fig. 45 h–i) to a shorter embolus and straighter cymbium ( Fig. 45 e–f and Platnick & Ewing 1995 : figs 34–36). Natural history and habitat. The specimens were collected by fogging in forests of Laurelia sp., Myrceugenia sp., Nothofagus dombeyi , N. oblicua , N. alpina , Castanopsis hystrix , Podocarpus saligna , Austrocedrus chilensis and Araucaria araucana , between 900–1200 m altitude. A few specimens were found in low coastal forest, hygrophilic forests and forests of Peumus boldus . Distribution. Known from a Chile , in Choapa, Quillota, Curicó, Concepción, Malleco and Valdivia provinces in Chile , and adjacent localities in Neuquén , Río Negro and Chubut provinces in Argentina ; the holotype however is from Punta Arenas, far to the south ( Fig. 96 ). New records. ARGENTINA : Río Negro : Bariloche: Parque Nacional Nahuel Huapi, Puerto Blest, sendero a laguna Los Cántaros, S 41.013754° , W 71.822738° , elev. 820–890 m , 28.XII.2010 , humid forest, M. Ramírez, V. Werenkraut & S. Aisen, 1 male , sample MGM-00213 (MACN-Ar 30887). Arroyo Casa de Piedra, S 41.118743° , W 71.461673° , I.1982 , M. Ramírez, 1 male , 1 imm. (MACN-Ar 30974). Lago Los Moscos, S 41.356833° , W 71.632500° , elev. 900 m , I.2003 , pitfall traps, Y. Sasal, 1 male (MACN-Ar 33075). CHILE : Región IV de Coquimbo: Provincia de Choapa : Ñagué, 10 km N Los Vilos, Ruta 5 km 236, S 31.82137° , W 71.50231° , elev. 90 m , 19.II.2005 , low coastal forest, M. Ramírez & F. Labarque, 1 male , temporary preparations MGM-00471, MGM-00472 (MACN-Ar 30880). Región V de Valparaíso : Provincia de Quillota : Parque Nacional La Campana, sector granizo, 5,2 km por aire ENE de Olmué (MJR-loc-65), S 32.98124° , W 71.13016° , elev. 456 m , 4.XI.2011 , hydrophilic forest in cliff, hand collection, M. Ramírez, A. Ojanguren Affilastro & J. Pizarro, 1 male , sample CJG- 03102, temporary preparation CJG-01332, MGM-00475 (MACN-Ar 30345). Región VII del Maule : Provincia de Curicó : Los Niches, Fundo de Juan Enrique Barriga-Tuñón, Cerro Huecahuecan (MJR-loc-72), S 35.06735° , W 71.120852° , elev. 303 m , 7.II.2012 , forest of Peumus boldus , M. Ramírez, M. Izquierdo, P. Michalik, C. Wirknler & K. Huckstorf , 1 male (MACN-Ar 29180), 1 female , sample MAI-04068, temporary preparations MAI-00999, (MACN-Ar 29167), 1 male , sample MAI-04064, temporary preparation MAI-00995 (MACN-Ar 29169), 1 female , temporary preparation MGM-00476 (MACN-Ar 29288). Camino El Relvo, 15 km E Potrero Grande, S 35.190907° , W 70.9228267° , 25.III.2003 , Laurelia sp. and Myrceugenia sp., fogging, J. Barriga, 5 females , 5 males (MACN-Ar 30866). Same locality, elev. 1000 m , 13.V.2004 , Nothofagus oblicua and N. dombeyi , fogging, J. Barriga, 2 females (MACN-Ar 30878). Same locality, 19.XII.2004 , Nothofagus alpina , N. obliqua , fogging, J. Barriga, 2 males , 1 imm. (MACN-Ar 33039). El Relvo, 20 km E Potrero Grande, S 35.185833° , W 70.937472° , 16.I.2004 , Nothofagus dombeyi , Laurelia sp., Castanopsis hystrix and Podocarpus saligna , fogging, J. Barriga, 9 males (MACN-Ar 33040). Same locality, S 35.189167° , W 70.958333° , elev. 1100 m , 30.XII.2003 , Nothofagus dombeyi , fogging, J. Barriga, 2 females , 2 males (MACN-Ar 33038). Same locality, S 35.190907° , W 70.8130279° , 30.XII.2003 , Nothofagus dombeyi , fogging, J. Barriga, 1 male (MACN-Ar 30868). Same locality, 16.I.2004 , Nothofagus dombeyi , Laurelia sp., Castanopsis hystrix and Podocarpus saligna , fogging, J. Barriga, 8 females , 2 males (MACN-Ar 30869). Same locality, elev. 1100 m , 8.V.2004 , Nothofagus dombeyi , fogging, J. Barriga, 2 females (MACN-Ar 30870), 1 female (MACN-Ar 30877). Potrero Grande, 15 km E, Puente los Morongos, S 35.190907° , W 71.087525° , 30.III.2004 , Nothofagus alpina , N. dombeyi and Laurelia sp., fogging, J. Barriga, 4 females , 9 males (MACN-Ar 30873). Fundo El Coihue, 20 km E Potrero Grande, S 35.190907° , W 70.8679273° , elev. 1035 m , 25.V.2004 , Podocarpus saligna , fogging, J. Barriga, 6 females , 1 male (MACN-Ar 33037), 5 females (MACN-Ar 30876). Same locality, elev. 937 m , 25.V.2004 , Austrocedrus chilensis , fogging, J. Barriga, 7 females (MACN-Ar 30865). Same data, elev. 937 m , Nothofagus dombeyi and Austrocedrus chilensis , fogging, J. Barriga, 8 females , 2 males (MACN-Ar 30872). 5 km E Potrero Grande, Puente Los Morongos, S 35.216139° , W 70.216139° , 22.XII.2003 , Nothofagus dombeyi , fogging, J. Barriga, 2 females , 6 males (MACN-Ar 30867). Región VIII del Biobío : Provincia de Concepción : Cerro Caracol, S 36.841083° , W 73.041285° , elev. 240 m , 15.II.2005 , M. Ramírez & F. Labarque, 1 male (MACN-Ar 10953). Provincia de Arauco : Pichinahuel, sendero monitoreo Arauco, 32 km E Cañete (por aire), S 37.80692° , W 73.03732° (GPS, +- 200m ), elev. 1200 m (GPS), 11.I.2020 , forest N. dombeyi and Araucaria , M.J. Ramírez, E. Soto, J. Wilson, D. Poy (MJR-loc-350), 1 male , sample MJR-2391-1 (MACN-Ar 40964). Región IX de La Araucanía : Provincia de Malleco : Parque Nacional Nahuelbuta, S 37.784643° , W 72.953286° , elev. 1200 m , 12.II.2005 , Araucaria araucana , fogging, J. Barriga, 1 female , 5 males , 2 imms. (MACN-Ar 30864), 1 female (MACN-Ar 30874), 2 females , 3 males (MACN-Ar 30875). Same locality, 22.XI.2004 , Araucaria araucana , Nothofagus dombeyi , fogging, J. Barriga, 1 male (MACN-Ar 30871). Monumento Natural Contulmo, S 38.034412° , W 73.196368° , 19–21.XII.1998 , M. Ramírez, L. Compagnucci, C. Grismado & L. Lopardo, 2 males (MACN-Ar 16378), 1 female (MACN-Ar 16381), 1 female (MNHS). Región XIV de Los Ríos : Provincia de Valdivia : Valdivia, S 39.817379° , W 73.242533° , 1983, E. Krahmer, 1 female (MNHS 816).