FIGURE 1. Varichaetadrilus vestibulatus. A in Three new species of Tubificinae, Oligochaeta, from two plateau lakes in Southwest China

FIGURE 1. Varichaetadrilus vestibulatus. A. dorsal bifid from III; B. dorsal simple-pointed chaeta from VIII; C. dorsal bifid from VIII; D. distal end of dorsal bifid from X; E–F. distal end of ventral chaetae (XXII, XXXIV, respectively); G. penial chaeta; H. lateral view of male duct in segments X–XII; I. cuticularized penial sheath. A–I illustrated Holotype. Scale bars: A–C, D–G 40 µm; H, I 200 µm.