New species of Prototilla Schuster, 1949 from Argentina and diagnoses of the genus based on male and female (Hymenoptera: Bradynobaenidae: Typhoctinae: Eotillini) Author Torréns, Javier Author Fidalgo, Patricio Author Roig-Alsina, Arturo Author Brothers, Denis J. text Zootaxa 2012 3427 17 32 journal article 10.5281/zenodo.215056 9518f767-ef4a-4879-a21d-72b3f5f8233a 1175-5326 215056 Prototilla Schuster, 1949 Prototilla Schuster 1949 : 69 –70. Additional citations: Mickel 1968 (mention); Brothers 1970 , 1974 (mention); Martinez & Fritz 1974 (mention); Fernandez 2000 , 2001 , 2002 (list); Brothers 2006 (key); Torréns & Roig-Alsina 2009 (mention). Type species: Prototilla anomala Schuster, 1949 by original designation and monotypy. Diagnosis. Male . Head with ocelli. Antennal scape smooth, without ventral longitudinal carina. Horizontal face of prosternum strongly projecting anteriorly, with a small semicircular projection posteriorly. Mid coxae moderately separated by a distance equal to half maximum width of femur. Fore wing with three submarginal cells ( Figs 6, 7, 10 ). Hind wing with vein 1RS proclinate, median cell apically produced, extending beyond origin of distal hamuli-group; median cell with three veins arising from it ( RS , M and Cu ) ( Fig. 32 ; see Fig. 9 in Schuster 1949 ). Tarsal claws each with ventral tooth (see Fig. 13 in Schuster 1949 ). T7 with surface convex (Figs 2, 5, 12). Genitalia with basal ring anteroventrally acutely emarginate ( Fig. 16 ). Female . Head without ocelli. Pronotum rectangular with humeral tubercle pronounced and well defined ( Fig. 22 ). Mesopleural carina extending from anterior margin to posterior margin of sclerite ( Figs 25, 27 ). Mid coxae widely separated by a distance of 1.3 × maximum width of mid femur. Tarsal claws smooth, without teeth. S6 with latero-posterior margin smooth, without denticles.