Euschistus ( Euschistus ) corcovacitus Rolston, 1971

Bianchi, Filipe Michels, Barão, Kim Ribeiro & Grazia, Jocelia, 2017, Review of the sulcacitus group of Euschistus (Pentatomidae: Pentatominae: Carpocorini) with description of the internal female genitalia and a new species, Zootaxa 4362 (3) : -

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).