Metaphire peguana (Rosa, 1890)

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 peguana (Rosa, 1890) Fig. 7

Material examined.

15 matures (CTU-EW.009.13) natural forests, (10°10'48"N, 103°58'15"E), 20 m, 5 November 2016, coll. Lam HD & Trinh TKB.

Diagnosis.

Medium-sized. Prostomium 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 not concave. Genital markings absent in the spermathecal region, but two pairs disc-shaped in 17/18 and 18/19, in line with the openings of copulatory pouches. Intestinal caeca simple. Holandric. Testis sacs separated. Septa 8/9/10 absent.

Habitats.

The species was found only in the upper soil surface of natural forests.

Remarks.

Of 20 specimens, six have intestinal caeca which are slightly lobuled ventrally.

Vietnamese name.

Giun pegu.

Figures

Figure 7. Metaphire peguana (Rosa, 1890) A Male region, ventral view B spermathecal region, ventral view C left spermathecae D left prostatic gland E intestinal caecum. Scale bar: 1 mm.