Amynthas exiguus exiguus (Gates, 1930)
Pheretima exigua Gates, 1930: 310; Gates 1939: 89.
Pheretima exigua exigua— Gates 1972: 184; Do 1994: 73; Thai 2000a: 308; Thai et al. 2004: 758; Huynh 2005a: 116. Amynthas exiguus exiguus— Sims & Easton 1972: 235; Blakemore 2007a: 34; Blakemore 2008b.
Type locality. Myanmar (Shan: Lashio).
Type material. In the collection of Judson College, USA (Gates 1939). None (Gates, 1972).
Examined material. 10 C (CTU-EW.094.01), long-term tree plantation, Hon Tre Isl., Kien Hai, Kien Giang (104 0 51'15.5"E; 09 0 58'13.0"N), 13/11/2013, coll. Trinh Thi Kim Binh.
Records from Vietnam. Lao Cai (Sa Pa); Son La (Moc Chau); Ninh Binh (Cuc Phuong NP); Gia Lai (Buon Luoi); Dak Lak (Yok Don NP); Kien Giang (Tho Chu Isl., Hon Tre Isl.) (Do 1994; Thai et al. 2004; Huynh 2005a).
Distribution. Vietnam (Do 1994), Thailand, Myanmar (Gates 1930, 1939, 1972).
Vietnamese name. Giun nhỏ.
Remarks. The species is fairly widespread in Vietnam (Do 1994; Thai et al. 2004; Huynh 2005a), northern Thailand, and Myanmar (Gates 1939).