Laccophilus tonkinensis Brancucci, 1983

(Figs. 16, 34)

Laccophilus tonkinensis Brancucci, 1983: 258 (original description); Hájek, 2003: 120 (new records).

Type locality. Tonkin, Hoa Binh [= Vietnam, Hoa Binh Province] .

Material examined. 17 specimens. CHINA: Hainan: 4 ex., Limushan Mts., exposed pools along road, partly connected with stream, 19°9.1–2′N, 109°45–46′E, 550–750 m, coll. M. Fikáček & S. Zhao (NMPC, ZSMG) ; 1 male, Jianfengling Mts., Tianchi Lake env., rd from Tianchi vill. To “sector 5”, pools in shaded drying-up stream in primary forest, 18°43.6–44.1′N, 108°52.1–5′E, 820–950 m, 10 May 2011, coll. M. Fikáček & S. Zhao (NMPC) . LAOS: Attapeu Province: 3 males, road No. 18, km 80 E Attapeu, stream near the road, 17°48.6′N, 107°23.4′E, ca. 665 m, 29 April 2010, coll. J. Hájek (NMPC) . Khammouan Province: 1 male 4 females, Nakai-Nam Theun NPA, Ban Navang env., 17°57–59′N, 105°13–16′E, 600–750 m, 18–21 May 2012, NHMB Basel Expedition Laos 2012, M. Brancucci, M. Geiser, K. Phanthavong, S. Xayalath (NHMB) . V IETNAM: 4 ex., Tonkin, coll. de Cooman (IRSNB) .

Diagnosis. Medium sized, elongate oval species (body length 3.8–4.1 mm). Elytra with subbasal testaceous band broad, more or less connected with elytral base (Fig. 16). Apical part of median lobe in lateral view with distinct bulge on dorsal side; apex elongate with pointed tip (Fig. 34).

Habitat. In Hainan, Laccophilus tonkinensis was collected in pools in shaded drying up stream in primary mountane forest. In southern Laos, it was collected in a pool in a small forest stream with a clay bottom and a layer of decaying leaves (Fig. 39).

Distribution. A species described from northern Vietnam and subsequently recorded from Hainan Island, China (Brancucci, 1983; Hájek, 2003). Here we present the first records from central and southern Laos (Fig. 40).