Fig. 3 in Large lungworms (Nematoda: Dictyocaulidae) recovered from the European bison may represent a new nematode subspecies

Fig. 3. Dictyocaulus viviparus of European bison, male genital system, light microscopy. (A) Bursa, dorsal view. (B) Bursa, left lateral view, showing gubernaculum (gub), and left spicula (spi). (C) Spiculae, dorsal view.