Head: strongly produced between eyes; vertex and frons opaque; frons with faint longitudinal fovea. Antennae: as long as head and pronotum combined; segments I-VI short, cylindrical; VIII clavate; I-V piceous, VI-VIII yellowish. Pronotum: conic; slightly wider (at base) than long; side margins converging from base to apex; basal impression present; coarsely, densely punctate. Elytra: parallel-sided; apices obtusely rounded; exterior apical angle produced into recurved, acute, triangular, blackish tooth; side margins strongly serrulate; apical margins irregularly serrulate; each elytron with 8 regular puncture rows; intervals 2, 4, and 6 costate; humeri strongly elevated. Total length: 6.75 mm.