Metaphire mangophila ( Nguyen, 2011 )

Nguyen, Tung T., Trinh, Kim-Binh T., Nguyen, Hong-Lan T. & Nguyen, Anh D., 2017, Earthworms (Annelida: Oligochaeta) from islands of Kien Hai District, Kien Giang Province, Vietnam, with descriptions of two new species and one subspecies, Journal of Natural History 51 (15 - 16), pp. 883-915 : 897

Metaphire mangophila ( Nguyen, 2011)

( Figure 10 )

Pheretima mangophila Nguyen 2011: 24 , fig. 2.

Material examined

189 matures (CTU-EW 012.05) Hon Tre Island (09°58 ʹ 13.0 ʹʹ N, 104°50 ʹ 35.5 ʹʹ E), Kien Hai District , Kien Giang Province, 14 November 2013, coll . Kim-Binh T . Trinh; 117 matures (CTU-EW 012.06) Lai Son Island (09°48 ʹ 18.5 ʹʹ N, 104°38 ʹ 32.4 ʹʹ E), Kien Hai District , Kien Giang Province, 15 November 2013, coll . Kim-Binh T . Trinh.

Diagnosis

Body cylindrical, medium size, length 65–126 mm, diameter 4.3–5.5 mm, 56–90 segments. Prostomium 1/2 epilobous. First dorsal pore in 12/13. Setal number 69–83 in viii, 65–77 in xxx, 13–20 between male porophores in xviii; setal distance aa = ab, zz = zy. Two pairs of spermathecal pores in lateroventral intersegments 5/6/7. Male pores located inside copulatory pouches in xviii. No genital markings in spermathecal and male regions. Testis sacs separated. Holandric. Intestinal caeca manicate, within xxvii– xxv. Septa 8/9/10 absent.

Habitats

The species was found under and in rotting wood.

Remarks

The species is widely recorded from southern Vietnam (Tay Ninh, Dong Nai, Dong Thap, Can Tho, Kien Giang, An Giang, Tra Vinh) ( Nguyen et al. 2016) .

Figures

Figure 10. Metaphire mangophila (Nguyen, 2011). (a) Male region (mp = male pore); (b) spermathecae (amp = ampulla, dv = diverticulum); (c) ventral view of spermathecal region (sp = spermathecal pore); (d) intestinal caecum; (e) prostatic gland. Scale bar = 1 mm.