Head, pronotum and apical fourth of elytra yellowish, rest of elytra dark metallic blue; antennae black; legs black with profemora bicolored. Head: medial sulcus present becoming carina before base of antennae; vertex alutaceous; frons projecting. Antennae: segment I cylindrical, pale at base; II transverse; III-X cylindrical; II and III subequal in length, others decreasing in length; XI pointed at apex; I-IV glabrous, V-XI setose. Pronotum: lateral margins straight and slightly divergent for basal half, then rounded and strongly convergent to apex; tooth present in each anterior angle; convex; punctate laterally; disc nearly impunctate, anterior margin rugose; basal impression present; widest at base. Scutellum: quadrate; alutaceous. Elytra: lateral and apical margins serrate; four costae, 2 and 4 most pronounced, 1 and 3 visible at base and apex; 10 complete punctures rows. Venter: prosternum yellow, few punctures anterior to coxae; mesosternum yellow, difuse laterally, punctate; metasternum black, punctate; abdominal sterna dark, punctate medially, alutaceous laterally. Legs: femora with a few long golden setae grouped together on inner margin; tibiae with golden setae on inner margin and tuft of golden setae at apex. Total length: 7.7 mm.