Prostephanus

Prostephanus is a genus of horned powder-post beetles in the family Bostrichidae. There are about five described species in Prostephanus.

Species
These five species belong to the genus Prostephanus:
 * Prostephanus apax Lesne, 1930
 * Prostephanus arizonicus Fisher, 1950
 * Prostephanus punctatus (Say, 1826)
 * Prostephanus sulcicollis (Fairmaire & Germain, 1861)
 * Prostephanus truncatus (Horn, 1878) (larger grain borer)