New taxa of Chrysomelidae (coleoptera) collected in canopy trees of South Vietnam

Èíñòèòóò ïðîáëåì ýêîëîãèè è ýâîëþöèè ÐÀÍ, Ëåíèíñêèé ïðîñïåêò 33, Ìîñêâà 119071, Ðîññèÿ.KEY WORDS: Chrysomelidae, South Vietnam, canopy trees, new taxa.ÊËÞ×ÅÂÛÅ ÑËÎÂÀ: Ñhrysomelidae, Þæíûé Âüåòíàì, êðîíû äåðåâüåâ, íîâûå òàêñîíû.margins of scutellum, narrow basal margin and humeral spot on elytra, base of pygidium and hind margins of 3 rd and 4 th abdominal sternites black.Body cylindrical.Head finely punctuate, clypeus triangular, frons strongly narrowed between upper lobes of eye (shorter than the length of the 1 st antennal segment).Antennae long, reach apical slope of elytra, proportions of segments are as 12591115161616151518. Prothorax 1.5 times as wide as long, broadest at base strongly convex, with side margins not seen from above, surface impunctate.Scutellum cordiform, as long as wide, impunctate.Elytra 1.15 times as long as wide, slightly widened to behind, with regular rows of fine punctures and broad, flat interspaces.Pygidium flat, finely punctuate.Prosternum without collar.Aedeagus with triangular apex and preapical oblique groove on each side of underside (Fig. 1).Length of body 4.4 mm.DIAGNOSIS.Resembles C. punctohumeralis Pic, 1920, described from South Vietnam, differs with smaller size, black vertex and antennae, black marks on pygidium and abdomen.Nodina polilovi L.N. Medvedev, sp.n.Fig. 2. MATERIAL.Holotype, South Vietnam, Dongnai Prov., National Park Cat Tien, Lagerstremia forest, trap on Tetramelis, h=1 m, 1431.IV.2009, leg. A. Polilov (LM