Metaphire exilis (Gates, 1935)

Pheretima exilis Gates, 1935: 7, Figs 3–4.; Chen 1936: 295, Fig. 13; Do 1994: 75; Nguyen 1994: 49: Le 1995a: 39; Nakamura 1999: 25; Thai 2000a: 308; Huynh 2005b: 20; Huynh et al. 2005: 180; Tran & Ngo 2008: 133; Pham 2010: 63. Pheretima (Terrata) exilis— Thai 1983: 123.

Metaphire exilis— Sims & Easton 1972: 238; Blakemore 2007a: 35; Blakemore 2008b.

Type material. U.S. National Museum ( Smithsonian) (No 20097).

Type locality. China (Szechuan: Suifu).

Records from Vietnam. Phu Tho (Xuan Son NP; Doan Hung); Vinh Phuc (Me Linh; Tam Dao); Bac Giang (Luc Ngan; Tan Yen; Khe Ro NR); Thai Nguyen (Dinh Hoa); Bac Can; Yen Bai (Luc Yen); Lang Son (Bac Son; Binh Gia); Cao Bang (Thach An); Quang Ninh (Tien Yen); Hai Phong (Cat Ba NP); Lao Cai (Sa Pa); Ninh Binh (Cuc Phuong NP); Nghe An (Quy Chau); Quang Binh (Tuyen Hoa); Da Nang; Dak Nong (Ta Dung Mts) (Le 1995a; Do 1994; Nguyen 1994; Huynh 2005b; Huynh et al. 2005; Tran & Ngo 2008; Tran & Tran 2010; Pham 2010).

Distribution. China (Szechuan) (Gates 1935).

Remarks. Thai (1983) proposed a new subgenus Terrata of the genus Pheretima, and placed the species under the new subgenus. Do (1994) noted that genital markings vary among populations.