Hexachaetus prodigus Tian & Deuve, 2006

(Figure 10)

Tian & Deuve, 2006: 150

Length: 16.0 mm; width: 6.5 mm. Habitus as in Fig. 10.

Diagnosis. Head and mandibles black, disc of pronotum, underside of head dark brown, other parts of the body red brown; glabrous species, strongly shiny; microsculptural engraved meshes indistinct on head and pronotum, obscurely isodiametric on elytra; head stout, as long as wide, labrum straight at front; ligula short and wide, 6- setose at apex, with median two longer than other; pronotum transverse, PW/PL=1.60, widest at about middle; lateral expanded margin narrow, not reflexed; elytra elongate-ovate, EL/EW=1.46, base well-bordered, parallelsided, apical margin gently and obliquely truncated, denticulate at the tip; fore tibia stout, with outer angle remarkably rectangular; middle and hind coxae glabrous in median portion, hind tarsomeres 1 longer than 2, while 3 as long as 4.

Male: Unknown.

Material examined. 1 female, the holotype, “ Dalat, Annam, III-IV, 1924” and “R. I. SC. Nat. Belg., I. G. 16.500”, in IRSNB ; 1 female, “ Coll. I.R.Sc.N.B / Vietnam: Dong Nai Biosphere, 11°18 N, 107°06 E / 25. VI. 6. VII. 2012, nigh collecting, leg. J Constant & J. Bresseel / I. G.: 32.161”, in IRSNB .

Distribution. Vietnam (Fig. 20 h).