Metaph ire posthuma (Vaillant, 1868)

Nguyen, Tung T., Lam, Dang H., Trinh, Binh T. K. & Nguyen, Anh D., 2020, The megascolecid earthworms (Annelida, Oligochaeta, Megascolecidae) in the Phu Quoc island, Vietnam, with descriptions of three new species, ZooKeys 932, pp. 1-25 : 1

Metaph ire posthuma (Vaillant, 1868) Fig. 9

Material examined.

3 matures (CTU-EW.011.13), residential gardens (10°10'52"N, 103°58'08"E), 10 m, 5 November 2016, coll. Lam HD & Trinh TKB.

Diagnosis.

Medium-sized. Prostomium epilobous. First dorsal pore in 12/13. Four pairs of spermathecal pores in lateroventral intersegments 5/6/7/8/9. Male pores located inside shallow copulatory pouches in xviii. Two pairs of genital markings present in xvii and xix. Intestinal caeca simple. Holandric. Testis sacs connected. Septum 8/9 thick, 9/10 absent.

Habitats.

The species was only found in the residential gardens.

Vietnamese name.

Giun quắn.

Remarks.

The species is commonly distributed in southern Vietnam, but rarely found in Phu Quoc island.

Figures

Figure 9. Metaphire posthuma (Vaillant, 1868) A Male region, ventral view B spermathecal region, ventral view C right spermatheca D left prostatic gland E intestinal caecum. Scale bar: 1 mm.