Bostrichidae: Horned Powder-post Beetles

Polycaon stouti
Cuyamaca Woods, North Peak, Cuyamaca Mountains
This was a large individual - well over 20 mm long. It came to a black light in late May.

Scobicia sp. (possibly S. declivis)
Cuyamaca Woods, North Peak, Cuyamaca Mountains
This was a very small Bostrichid - around 8 mm long or so.