Mimochelidonium vietnamicum Vives & Pham, 2017, sp. nov.

Mimochelidonium vietnamicum sp. nov. (Fig. 2) Material studied. Holotype male, 13 mm long and 6 mm wide from Vietnam, Vinh Phu Prov., Tam Dao N.P., 13- 26.VI.2011, Thai Pham, E. Vives & S. Lingafelter leg. (in VNMN,). Paratypes: 2 males and 2 females idem; 1 male from Vietnam, Ma Giang, Ha Giang Prov., V.2013, local collector (EVC). Description. Length 13–15 mm. General colour of teguments greenish black, head bluish green, pronotum bright green and elytra golden green on disc and blackish at sides. First four antennomeres bluish and rest of antennae black. Legs and tarsi black with a blue sheen. Abdominal segments black except for chestnut-colored pygidium. Long narrow head forming a weak anterior rostrum with long wide mandibles. Paraglossae longer than mandibles. Large bulging eyes with fine facets. Antennal bases protruding and separated by a longitudinal furrow from forehead to epistome, which is trapezoidal and finely punctured. Rectangular labrum, chestnut coloured and bearing long setae on free margin. Short, somewhat robust antennae that reach apical quarter in males and apical third in females, short globose scape, strongly punctate. Third antennomere long and robust with two small apical pits at each external side, remaining antennomeres present two external lateral pits that are fused into a single pit after sixth antennomere. Pronotum weakly transverse (45/61) its sides arched and bearing a rounded conical protuberance at middle. Anterior and posterior borders doubly margined, discal area bulging and strongly wrinkled with a shiny golden median longitudinal suture, posteriorly bearing a weak gibbosity at each side. Prosternum short and wide with transverse grooves and grey tomentum. Prosternal projection wide and bordered posteriorly procoxal cavities closed. Triangular scutellum with a smooth longitudinal band in middle. Short subparallel elytra, rounded weakly projecting humeri, apex of elytra rounded and with a well-defined sutural angle. Suture narrow, not bordered and strongly projecting in ...