Nuvol umbrosus male gonarcal complex A dorsal B lateral slightly tilted to left C lateral slightly tilted to right D, E frontal F lateral (field of chalazate setae in box] G enlarged frontal section of gonosaccus, lateral. Note: F, G illustrate the placement and structure of the acute tip of the gonarcal ventral projection and the frontal section of the gonosaccus bearing a group of three heavily sclerotized chalazae with fine setae. Abbreviations: g.ap. gonarcal apodeme; g.br. gonarcal bridge; gc gonocornu; gsac gonosaccus; gst gonosetae; l.f. lateral flank of mediuncus; mu mediuncus; tip of v.pr. beaklike apex of gonarcal ventral projection; v.pr. ventral projection of gonarcus. Scale bar applies to A–F.