Fig. 7.

Quadriacanthus mandibulatus n. sp. ex H. bidorsalis (Sudan). Sclerotized structures. Abbreviations: Va, ventral anchor; Vb, ventral bar; Da, dorsal anchor; Db, dorsal bar; HI-HVII, hooks; Mco, male copulatory organ

Quadriacanthus mandibulatus n. sp. ex H. bidorsalis (Sudan). Sclerotized structures. Abbreviations: Va, ventral anchor; Vb, ventral bar; Da, dorsal anchor; Db, dorsal bar; HI-HVII, hooks; Mco, male copulatory organ