Metaphire kiengiangensis Nguyen & Trinh, 2015

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 : 898-900

Metaphire kiengiangensis Nguyen & Trinh, 2015

( Figure 11 )

Pheretima kiengiangensis Nguyen & Trinh, 2015 (in Nguyen et al. 2015): 461, fig. 1.

Material examined

1 mature (CTU-EW 019.h01) and 10 matures (CTU-EW 019.p02) Lai Son Island (09° 48 ʹ 21.6 ʹʹ N, 104°38 ʹ 01.1 ʹʹ E), Kien Hai District , Kien Giang Province, 15 November 2013 ,

coll . Kim-Binh T . Trinh; 3 matures (CTU-EW 019.p03) Lai Son Island (09°48 ʹ 32.4 ʹʹ N, 104° 39 ʹ 23.0 ʹʹ E), Kien Hai District , Kien Giang Province, 14 October 2014, coll . Kim-Binh T . Trinh.

Diagnosis

Body cylindrical, large size, length 176–280 mm, diameter 6.3–8.1 mm. Prostomium 2/3 epilobous. First dorsal pore in 12/13. Setal number 42–53 in viii, 72–88 in xxx, 10–18 between male porophores in xviii; setal distance aa = ab, zz = zy. Multiple spermathecal pores in ventral intersegments 6/7/8/9. Two pairs of genital markings in intersegments 17/18 and 18/19. Testis sacs separated. Holandric. Intestinal caeca simple. Septa 8/9/10 absent.

Habitats

The species was found in light-clay soils, especially in mango gardens in the mountains. Remarks

The species has been known only from Kien Giang Province, Vietnam.

Figures

Figure 11. Metaphire kiengiangensis Nguyen & Trinh, 2015. (a) Male region (mp = male pore, gm = genital markings); (b) spermathecae (amp = ampulla, dv = diverticulum); (c) ventral view of spermathecal region (sp = spermathecal pore); (d) prostatic gland (ag = accessory gland); (e) intestinal caecum. Scale bar = 1 mm.