Fig. 4.

Quadriacanthus bagrae Paperna, 1979 ex B. docmak (Sudan). Sclerotized structures. Abbreviations: Va, ventral anchor; Vb, ventral bar; Da, dorsal anchor; Db, dorsal bar; HI-HVII, hooks; Mco, male copulatory organ

Quadriacanthus bagrae Paperna, 1979 ex B. docmak (Sudan). Sclerotized structures. Abbreviations: Va, ventral anchor; Vb, ventral bar; Da, dorsal anchor; Db, dorsal bar; HI-HVII, hooks; Mco, male copulatory organ