FIGURE 3 in Two rare species of tylenchids, Discotylenchus biannulatus n. sp. and Labrys chinensis Qing & Bert, 2018 (Nematoda: Tylenchidae) from western Iran

FIGURE 3. Scanning electronic microscopy of Discotylenchus biannulatus n. sp. A: Lip region; B: En face view of lip region showing perioral disc; C: Lip region showing longitudinal amphidial aperture and head annuli; D&E: Details of anterior end showing head shape and body annuli; F: Four incisures in lateral field at mid-body; G: Lateral view of anus region; H: Lateral view of vulva. (Scale bars: A–C = 0.5 µm; D, G = 2 µm; E = 5 µm; F, H = 1 µm).