Review of the sulcacitus group of Euschistus (Pentatomidae: Pentatominae: Carpocorini) with description of the internal female genitalia and a new species Author Bianchi, Filipe Michels Programa de Pós-Graduação em Biologia Animal, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil. fmichels2@gmail.com Author Barão, Kim Ribeiro Unidade Educacional Penedo, Campus Arapiraca, Universidade Federal de Alagoas, Penedo, AL, Brazil kim.barao@penedo.ufal.br Author Grazia, Jocelia Programa de Pós-Graduação em Biologia Animal, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil. jocelia@ufrgs.br text Zootaxa 2017 2017-12-06 4362 3 348 358 journal article 31229 10.11646/zootaxa.4362.3.2 375c7e7b-e311-47c3-9599-f0e16d227889 1175-5326 1094896 852AFFC6-42E7-4C52-A5B9-5FFA4E6759CC Euschistus ( Euschistus ) corcovacitus Rolston, 1971 ( Figs 1 , 6–8 , 22 , 27–29 , 45–47 , 60 ) Male genitalia: Pygophore trapezoidal. Dorsal rim uniformly concave in dorsal view ( Fig. 6 ); extension of dorsal rim long, sinuosity deep; superior process of dorsal rim tooth-like. Ventral rim slightly sinuose, convex medially in ventral view ( Fig. 8 ). In posterior view, ventral rim protuberant mesially ( Fig. 7 ). Paramere: margin connecting basal and apical processes deeply concave; apical process somewhat truncate at apex; middle process not developed ( Fig. 22 ). Female genitalia: Posterior margin of gonocoxites VIII concave; posterolateral margin of gonocoxites VIII projected posteriorly, surpassing middle of gonocoxites IX. Gonocoxites IX at least three times wider than long; posterior margin of gonocoxites IX slightly concave; postero-lateral angles slightly acute ( Fig. 45 ). Laterotergites IX surpassing dorsal band that unites laterotergites VIII in posteroventral view. Distal region of ductus receptaculi proximalis dilated. Basal three-fourths of pars intermedialis sclerotized ( Fig. 60 ).