Figure 6

Varestrongylus alces. Female. 14. Cephalic extremity at ventral view: claviform esophagus, cervical papillae (cp), excretory pore (exp), and nerve ring (nr) (64×). 15. Caudal extremity at lateral view: developed provagina with membranous folds (mf), genital protuberance (gp), vaginal opening (vo), and vaginal canal (vc) (100×). 16. Caudal extremity at lateral view, slightly ventral: anus (a), and conical tail tip (100×).