Amynthas robustus (Perrier, 1872)

Material examined. 3 adults, NCHUZOOL 13521, Huantan Highway, Liyu Lake, Shoufeng, Hualien Co., Taiwan, coll. Y.-H. Wang et al., 26 Jan. 2007.

Diagnosis. Dimensions 196–271 mm by 6.4–7.7 mm in x, 6.7–8.3 mm in xxx, 6.5–7.6 mm in clitellum; body cylindrical throughout, segments 125–142. First dorsal pore at 11/12. Clitellum annular, xiv–xvi; smooth. Female pore single on xiv. Male pores on xviii, each male pore with 2 genital markings, 13–15 setae between male pores. Spermathecal pores lateral at 7/8–8/9. Prostates small or absent, only prostatic duct in xviii; curved.