Earthworms (Annelida: Oligochaeta) from islands of Kien Hai District, Kien Giang Province, Vietnam, with descriptions of two new species and one subspecies Author Nguyen, Tung T. Author Trinh, Kim-Binh T. Author Nguyen, Hong-Lan T. Author Nguyen, Anh D. text Journal of Natural History 2017 2017-03-27 51 15 - 16 883 915 http://dx.doi.org/10.1080/00222933.2017.1294213 journal article 10.1080/00222933.2017.1294213 1464-5262 5180885 4EA4C2C0-BEC2-45BF-8B72-388302A53F51 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 , 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. 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 .