Elongate, slightly depressed; yellowish; antennae and eyes dark; elytra with subsutural vitta. Head: front smooth, with longitudinal sulcus; eyes black. Antennae: filiform, slender, slightly thickened at apex; segments cylindrical; II more than twice length of I; III shorter than II. Pronotum: wider than long; sides straight and parallel at base, angulate behind middle, then obliquely converging to apex; anterior angles with stout oblique tooth; transversely convex; transverse depression basally; with large foveolate punctures, more densely punctate on sides, less densely punctate on disc. Elytra: parallel, slightly dilated near posterior angle; posterior angles with backward directed, flattened spine; each elytron with 10 deep rows of punctures; suture and 4th interspace costate; humeral callus laterally produced, acute; two discoidal vittae variable in shape. Legs: slender; elongate. Total length: 9.0 mm.

Larval host plant: Monstera tenuis K. Koch (Araceae).