Metaphire posthuma (Vaillant, 1868)

Perichaeta posthuma Vaillant, 1868: 146; Beddard 1895a: 424.

Pheretima posthuma— Michaelsen 1900: 295; Gates 1939: 104; 1972: 212; Thai & Samphon 1991: 4; Pham 1995c: 97; Nakamura 1999: 53; Thai 2000a: 310; Thai et al. 2004: 758; Huynh 2005a: 123; Nguyen V.T. & Tran 2008: 185; Tran & Tran 2010: 8; Nguyen et al. 2010: 114; Pham 2010: 63; Thai 1987: 7; Thai et al. 2007: 312; Nguyen & Nguyen 2010: 123; Nguyen & Huynh 2011: 1018; Nguyen et al. 2011: 1025; Nguyen et al. 2012: 146; Nguyen 2013: 56; Nguyen 2014: 110. Pheretima (Amynthas) posthuma— Thai 1983: 124.

Metaphire posthuma— Sims & Easton, 1972: 239; Blakemore 2002: 210; Blakemore 2007a: 82; Blakemore 2008b; Blakemore 2016: 15, figs 3a–d, 10.

Type locality. Indonesia (Java).

Type material. MNHN (AE656-668), France.

Examined material. 23 C (CTU-EW.011.02) Duyen Hai, Tra Vinh, 19–20/9/2009, coll. Nguyen Thi Anh Ngoc).

Records from Vietnam. Widely distributed in Vietnam.

Distribution. Cosmopolitan species, widely recorded from Vietnam, Laos, Cambodia, Thailand, Taiwan, China, USA, Pakistan, India, Philippines, Bahamas, Myanmar, Indonesia, Malaysia, England, Egypt, Argentina, France (Gates 1939, 1972; Thai & Do 1989; Thai & Samphon 1991; Blakemore 2002; Nguyen T.T. & Tran 2008; Nguyen V.T. & Tran 2008).

Vietnamese name. Giun quắn.

Remarks. The species usually occurs in sandy soils in Vietnam.