New Acrididae from Oaxaca State in Mexico (Orthoptera: Caelifera: Acrididae Ommatolampinae, Melanoplinae) Author Fontana, Paolo Author Buzzetti, Filippo Maria Author Mariño-Pérez, Ricardo text Zootaxa 2011 2862 39 55 journal article 10.5281/zenodo.206593 007b4176-febb-42a0-9d0d-e375b9356caa 1175-5326 206593 R. amedegnatoae n. sp. Diagnosis. See diagnosis of genus. Hind margin of last male abdominal tergite with three dark knobs. Male supragenital plate with four dark knobs as in Fig.34 . Male description. See genus description. Phallic complex: epiphallus well sclerotized, bridge almost straight, anterior process: globose, rounded, prominent lophi with anterior portion forming a black subtriangular rounded inward directed point (fig. 48); dorsal valvae well sclerotized, dark, short, expanded laterally, complex, rugose, subtrapezoidal in a dorsal view, with anterior outer margin concave and involving laterally ventral ones; ventral valvae a little longer than dorsal, smooth, semicircular and with expanded rounded apex ( Figs. 55–56 ). Female description ( Fig. 2 ). See genus description. Ovipositor valvae with dark pointed curved tip. Cerci small conical. Supragenital plate triangular, longitudinally grooved in the middle. FIGURES 1–2. Reyesacris amedegnatoae n. sp. , live specimens in nature. 1: male; 2: female. Male measurements (5). Body length 18.0–20.0 (18.64; 0.78); pronotum length 2.8–3.1 (2.96; 0.13); prozona length 1.9–2.1 (1.98; 0.11); metazona length 0.9–1.0 (0.98; 0.04) and hind femur length 9.3–10.6 (9.74; 0.49). Female measurements (5). Body length 24.3–28.0 (25.35; 1.50); pronotum length 4.0–4.4 (4.22; 0.16); prozona length 2.6–3.0 (2.81; 0.14); metazona length 1.3–1.5 (1.41; 0.10) and hind femur length 12.3–14.7 (13.24; 0.96). Type material. Male holotype : Mexico , Oaxaca, Pluma Hidalgo W, Portillo del Rayo, 1492 m . ( 15°58’57’’ N ; 96°31’12’’W ). 17.XI.2008 , Legit P. Fontana, F.M. Buzzetti and R. Mariño-Pérez; same data, female Allotype and 4 paratypes ( 3 males and 1 female ); Mexico , Oaxaca, Pluma Hidalgo (pueblo), 1340 m . ( 15°55’32’’ N ; 96°25’10’’W ), 17.XI. 2008 , Legit P. Fontana, F.M. Buzzetti and R. Mariño-Pérez, 1 female paratype ; Mexico , Oaxaca, Portillo del Rayo, carr. # 175, km 184, 1465 m. ( 15°58’58,1’’ N ; 96°31’13,3’’W ), 30.IV.2008 , Legit F.M. Buzzetti, 7 males and 1 female paratypes ; Mexico , Oaxaca, Between Pluma Hidalgo and Herradura, km 11/ 12, 681 m , ( 15°52’57,4’’ N ; 96°23’41,2’’W ), Legit F.M. Buzzetti, 1 male and 1 female paratypes ; Mexico , Oaxaca, Pluma Hidalgo W, 1175 m , 17.XI.2008 ( 15°56’23’’ N ; 96°25’46’’W ), Legit P. Fontana, F.M. Buzzetti and R. Mariño- Pérez, 6 males and 1 female paratypes . Type depository. male Holotype , female Allotype and two male paratypes , CNIN ; 5 male and 2 female paratypes , CPF ; 10 male and 3 female paratypes , CFMB . Etymology. the species is dedicated to Christiane Amedegnato (sadly passed away in June 2010 ), Researcher at CNRS and responsible for the Caelifera collection at the Muséum national d´Histoire Naturelle, Paris, France . Christiane Amedegnato intensively studied Neotropical Orthoptera , and kindly helped us in studying this new genus, up to her last days.