Amynthas dignus ( Chen, 1946 )

Nguyen, Tung T., Nguyen, Anh D., Tran, Binh T. T. & Blakemore, Robert J., 2016, A comprehensive checklist of earthworm species and subspecies from Vietnam (Annelida: Clitellata: Oligochaeta: Almidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Moniligastridae, Ocnerodrilidae, Octochaetidae), Zootaxa 4140 (1), pp. 1-92 : 23-24

Amynthas dignus ( Chen, 1946)

Pheretima digna Chen, 1946: 132 , Plate X, Fig. C; Tran 1985: 35; Do 1994: 69; Nguyen 1994: 45; Le 1995a: 35; Pham 1995c: 90; Nakamura 1999: 25; Thai 2000a: 308; Huynh & Nguyen 2004a: 115; Huynh 2005a: 115; Huynh 2005b: 20; Huynh et al. 2005: 180; Nguyen V.T. & Tran 2008: 184; Pham 2010: 63.

Pheretima (Terrata) digna— Thai 1983: 123.

Amynthas dignus— Sims & Easton 1972: 236; Blakemore 2007a: 29; Blakemore 2008b.

Type locality. China (Szechuan).

Type material. Unknown.

Examined material. 16 C (SORC-V.132.01) Thanhhoa city, 09/05/1991, coll. Le Hoa.

Records from Vietnam. Lao Cai (Sa Pa) ; Son La (Moc Chau); Bac Can (Cho Don) ; Thai Nguyen (Dinh Hoa) ; Lang Son (Binh Gia; Bac Son) ; Quang Ninh (Mong Cai) ; Hai Phong ( Cat Ba Isl. ) ; Phu Tho (Xuan Son NP) ; Hanoi (Ba Vi NP) ; Nam Dinh ; Ha Nam ; Thai Binh ; Nghe An (Ky Son; Que Phong; Quy Chau) ; Quang Binh (Tuyen Hoa; Minh Hoa; Quang Trach; Bo Trach; Dong Hoi) ; Quang Tri (Dong Ha; Quang Tri); Thua Thien Hue (Huong Dien; Huong Tra; Hue; A Luoi; Nam Dong; Phu Loc) ; Da Nang (Hoa Vang; Son Tra; Ba Na NP) ; Quang Nam (Que Son; Tam Ky; Tien Phuoc) ; Dak Lak (Yok Don NP); Dac Nong (Ta Dung Mts) ; Binh Dinh ; Ninh Thuan (Song Pha pass) ( Tran 1985; Do 1994; Nguyen 1994; Le 1995a; Pham 1995c, 2010; Huynh & Nguyen 2004a; Huynh 2005a, b; Huynh et al. 2005; Nguyen V. T. & Tran 2008).

Distribution. Laos, China ( Chen 1946; Samphon 1990).

Remarks. Thai (1983) proposed a new subgenus Terrata of the genus Pheretima , and placed the species under the new subgenus. The species seems to be widely distributed in Vietnam.