''Prostephanus apax'' is a species of horned powder-post beetle in the family

Bostrichidae The Bostrichidae are a family of beetles with more than 700 described species. They are commonly called auger beetles, false powderpost beetles, or horned powderpost beetles. The head of most auger beetles cannot be seen from above, as it is down ...

. It is found in Central America and North America.

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