A review and notes on the phylogenetic relationship of the centipede genus Otostigmus Porat, 1876 (Chilopoda: Scolopendromorpha: Scolopendridae) from Vietnam Author Vu, Ha T. Department of Biology, Graduate School of Science, Tokyo Metropolitan University, JAPAN. Author Nguyen, Hung D. Faculty of Biology, Hanoi National University of Education, 136, Xuan Thuy Str., Caugiay District, Hanoi, VIETNAM. hungnd 2000 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5454 - 0956 Author Le, Son X. Institute of Tropical Ecology, Vietnamese-Russian Tropical Center, 2 Nguyen Van Huyen Str., Cau Giay District, Hanoi, VIETNAM. lesonenv 86 @ yahoo. com; https: // orcid. org / 0000 - 0003 - 1648 - 6773 Author Eguchi, Katsuyuki Department of Biology, Graduate School of Science, Tokyo Metropolitan University, JAPAN. & antist 2007 @ gmail. com; https: // orcid. org / 0000 - 0002 - 1054 - 1295 Author Nguyen, Anh D. Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoangquocviet Rd., Cau Giay District, Hanoi, VIETNAM. ducanh @ iebr. ac. vn; https: // orcid. org / 0000 - 0001 - 9273 - 0040 & Center for Research and Technology Transfer, Vietnam Academy of Science and Technology, 18, Hoangquocviet Rd., Cau Giay District, Hanoi, VIETNAM. Author Tran, Binh T. T. Faculty of Biology, Hanoi National University of Education, 136, Xuan Thuy Str., Caugiay District, Hanoi, VIETNAM. hungnd 2000 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5454 - 0956 text Zootaxa 2020 2020-07-03 4808 3 401 438 journal article 10.11646/zootaxa.4808.3.1 1175-5326 3933160 15876EA8-DC4E-456C-82CF-21E1DA2479F1 Otostigmus politus Karsch, 1881 ( Figs. 20–23 ) Otostigmus politus Karsch, 1881: 62 ; Chamberlin 1920: 13 ; Attems 1930: 150 ; Schileyko 1992: 7 ; Schileyko 1995: 80 ; Schileyko 2001: 428 ; Lewis 2001: 31 , figs 59–68; Lewis 2003: 195 ; Schileyko 2007: 80 , fig. 3. Otostigmus completus Chamberlin, 1920: 15 , synonymized by Lewis (2001) . Otostigmus frigidus Verhoeff, 1942: 186 , synonymized by Lewis (2003) . Material examined . HOA BINH Province : 3 specimens ( IEBR-Chi 080, 081, 084 ) Xuan Nha Natural Reserve , natural forests, 20.7108N– 104.6869E , elevation of 673–761m , 14 May–June 2018, coll. Nguyen D. Hung. Diagnosis . Body with 21 leg-bearing segments. Spiracles oval-shaped ( Fig. 21C ). Antennae with 17 antennomeres including first three glabrous dorsally ( Fig. 20 ). Paramedian grooves present on both sternites and tergites 5–20 ( Fig. 21 A–B). Coxopleural process very short, conical, nearly covered with pores, and with 2–3 apical spines ( Figs 21D , 22A ). Spines on prefemur of the ultimate legs arranged in three rows, each with 3–5 spines ( Fig. 22 B–C). FIGURE 20. Otostigmus politus Karsch, 1881 (IEBR-Chi 084). Antenna and anterior part of body, dorsal view (A). Head and basal antennomeres, dorsal view (B). Ocelli, lateral view (C). Head, ventral view (D). Previous records in Vietnam . HOA BINH ( Schileyko 1992 , 2007 ). Distribution. The species has also been reported from China , Myanmar , Cambodia , and Korea ( Attems 1930 ; Schileyko 2007 ). Remarks . The specimens agree with the descriptions of Schikeyko (1995, 2007) from material collected from Mai Chau ( Hoa Binh Province ). The species has been recorded only in Hoa Binh Province ( Fig. 23 ).