Cecidonius pampeanus genitalia morphology under light microscopy. A schematic representation of male genitalia, lateral view (left valve omitted) B dissected male genitalia, ventral, with detached phallus and juxta, on left and right side, respectively C female genitalia, dorsal D schematic representation of female genitalia, latero-dorsal. Roman numbers indicate abdominal segments. Oviscapt cone is represented in light gray in D. Arrows point to the end of left anterior apophysis in C, and to the apodeme of posterior apophysis in D. Asterisks indicate internal dorsal crest of oviscapt cone in C and D. Open and closed arrow heads point, respectively, to posterior apophyses and cloacal apodemes in D. Abbreviations: cb corpus bursae; cl cloaca; co common oviduct; sp spermatheca; rt rectum; vt vestibulum; ut utriculus of spermatheca. Scale bars: 0.25 mm.