Dinomachus sikhimensis Distant, 1903

(Fig. 4)

Dinomachus sikhimensis Distant, 1903a: 38 (original description). Scudder (1957: 172,181) (in key, diagnosis). Slater (1964: 746) (catalogue, distribution). Zheng & Zou (1981: 110, 603) (diagnosis, distribution, photo). Péricart (1999: 84) (lectotype designated). Péricart (2001: 102) (catalogue, Palaearctic).

Material examined. Non-types: 3 ♂ (TUA)— LAOS: 1 ♂, 20°37'N, 102°00'E, alt . 837 m, Lak 11 Waterfall, 11 km South-east from Oudomxay, Oudomxay Prov., 4.X.2009, 1, Hiroyuki Wakahara; 2 ♂, Same date, Teruaki Ban.

Diagnosis: Recognized among congeners of Dinomachus by a combination of the following characters: head reddish brown (Fig. 4); antennal segment II nearly twice as long as segment I; labium extending beyond middle of abdomen; rostral segment III extending well beyond base of abdomen; pronotum yellowish brown (Fig. 4); posterior margin of pronotum deeply impressed before scutellum; basal half of scutellum reddish brown (Fig. 4); hemelytra not extending beyond apex of abdomen; corium entirely brown (Fig. 4); legs with reddish brown annulations (Fig. 4); profemur armed with 2 spines; laterotergites each with pale yellow marking.

Distribution. China, Laos (Oudomxay Prov.), India. New to Laos.

Biological notes. The specimens were collected on fig trees Ficus sp. in the forest along a mountain stream, along with several other heterogastrid and rhyparochromid species.