Metaphire bahli (Gates, 1945)

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

Metaphire bahli (Gates, 1945) Fig. 3

Material examined.

22 matures (CTU-EW.004.46) natural forests, (10°10'48"N, 103°58'15"E), 20 m, 5 November 2016, coll. Lam HD & Trinh TKB; 30 matures (CTU-EW.004.47) residential gardens (10°11'06"N, 103°58'15"E), 13.4 m, 6 November 2016, coll. Lam HD & Trinh TKB; 13 matures (CTU-EW.004.48) industrial tree plantations, (10°06'11"N, 104°00'51"E), 20 m, 5 November 2016, coll. Lam HD & Trinh TKB.

Diagnosis.

Medium-sized. Prostomium 2/3 epilobous. First dorsal pore in 12/13. Three pairs of spermathecal pores in lateroventral intersegments 6/7/8/9. Male pores located inside copulatory pouches in xviii. Male region strongly concave to form an ellipsoid or rounded area. Genital markings absent in the spermathecal region, but two pairs present in 17/18 and 18/19, in line with male pores. Intestinal caeca simple. Holandric. Testis sacs separated. Septa 8/9/10 absent.

Habitats.

This species was collected from leaf litter and upper soil layer (0-10 cm).

Remarks. This species is widely distributed in southern Vietnam ( Thai et al. 2004; Nguyen et al. 2016, 2017).

Vietnamese name.

Giun bahl.

Figures

Figure 3. Metaphire bahli (Gates, 1945) A Male region, ventral view B spermathecal region, ventral view C left spermatheca D right prostatic gland E intestinal caecum; Scale bar: 1 mm.