Thubunaea leonregagnonae sp. n. Scanning electron micrographs. A Anterior end, male, lateral view showing deirid (D) B Apical view, female, showing sub-median papillae (P) and amphids (A) C Deirid, lateral view D Posterior end, female, ventrolateral view E Posterior end, male, ventral view F Caudal end, male, ventral view. Scale bars: A 50 µm; B 10 µm; C 2.5 µm; D 50 µm; E 100 µm; F 50 µm.