Hylomus asper (Attems, 1937)

(Figs. 1−2)

Centrodesmus asper Attems, 1937: 125−126, fig. 162; Attems 1938: 240−241, figs. 75−78.

Pratinus asper: Jeekel 1964: 63; Jeekel 1968: 61.

Desmoxytes aspera: Golovatch & Enghoff 1994: 60; Likhitrakarn et al. 2015: 493, figs. 7−8.

Hylomus asper: Jeekel 1980: 658; Srisonchai et al. 2018a: 10.

Material examined: 1 male (IEBR-68) Kon Tum Province, Ngoc Linh Mt., primary forest, 1,800 m, 21 March – 9 April 2006, coll. Anh D. Nguyen.

Diagnosis: The species can be recognised by the combination of the following characters: paraterga antler-shaped; metaterga smooth, without traces of setae; the fifth sternum with a prominent, rounded, caudal protuberance between coxae 4; male femora without modifications; epiproct unmodified, without conspicuous setiferous knobs near tip; gonopod femorite long, slightly expanded distad; postfemoral region shortened; solenophore and solenomere extremely short (Fig. 2).

Previous records: Da Nang Province (Ba Na National Park; Hai Van pass); Ninh Thuan Province (Phan Rang) (Attems 1937 1938).

Distribution: Southern part of central Vietnam.