Tylopus acuminatus sp. nov. urn:lsid:zoobank.org:act: C0DB482F-EE58-4385-9733-7D2E724DEFED Figs 12–15, 26 Diagnosis Very similar to T. jeekeli Golovatch & Enghoff, 1993 and T. parajeekeli Likhitrakarn, Golovatch, Prateepasen & Panha, 2010, especially in its gonopod conformation, but differs in process h being higher and more strongly flattened, pointed, while the sternal lobe between ♂ coxae 4 linguiform and larger. Etymology To emphasize the acuminate processes h on the gonopod; adjective. Material examined Holotype LAOS: ♂, Ban Sin Chai, Boun Neua, Phongsali, 21°31'50" N, 101°51'45" E, ca 820 m a.s.l., 15 Oct. 2014, leg. C. Sutcharit & R. Srisonchai (CUMZ). Paratypes LAOS: 1 ♂, 1 ♀, Phuthalang forest protected area, Boun Neua, Phongsali, 21°37'30" N, 101°55'55" E, ca 1125 m a.s.l., 16 Oct. 2014 (CUMZ); 1 ♂, 2 ♀♀, Phufa, Boun Neua, Phongsali, 21°41'05" N, 102°06'35" E, ca 1470 m a.s.l, 16 Oct. 2014 (CUMZ); 1 ♀, near Ban Borkhun, Boun Neua, Phongsali, 21°27'57" N, 101°47'20" E, ca 880 m a.s.l., 18 Oct. 2014 (CUMZ); 1 ♀, Khoua, Phongsali, 21°11'55" N, 102°06'40" E, ca 840 m a.s.l., 15 Oct. 2014 (CUMZ); 1 ♂, 1 ♀ (NHMW), 1 ♂ (ZMUM ρ3059), Ban Na Thong, Namo, Oudomxay, 20°52'25" N, 101°47'00" E, ca 650 m a.s.l., 14 Oct. 2014; 1 ♂, Phagneung Phoukulom Waterfall, Sing, Luang Namtha, 21°07'15" N, 101°14'40" E, ca 900 m a.s.l., 13 Oct. 2014, all leg. C. Sutcharit & R. Srisonchai (ZMUC). Description MEASUREMENTS AND COLOUR. Length 24.5–31.6 (♂) or 24.3–31.5 mm (♀), width of midbody pro- and metazonae 1.98–2.6 and 2.95–3.6 mm (♂) or 2.7–2.9 and 3.1–4.2 mm (♀), respectively. Live coloration dark brown (Fig. 12A); antennae and epiproct light brown; legs yellow-brown. Coloration of alcohol material after one year of preservation faded to brown to yellow-brown; head, antennae, epiproct light brown to yellow-brown, legs and venter yellow-brown to light yellow (Fig. 12 B–J). HEAD. Clypeolabral region densely, vertex sparsely, setose; epicranial suture distinct. Antennae (Fig. 12A) short, surpassing body segment 2 (♂, ♀) when stretched dorsally. In width, head

Published as part of Likhitrakarn, Natdanai, Golovatch, Sergei I. & Panha, Somsak, 2016, The millipede genus Tylopus Jeekel, 1968 (Diplopoda, Polydesmida, Paradoxosomatidae), with a key and descriptions of eight new species from Indochina, pp. 1-47 in European Journal of Taxonomy 195 on pages 17-22, DOI: 10.5852/ejt.2016.195, http://zenodo.org/record/3837846