Georgia Correctional Officer (CO) Practice Exam

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Which of the following beetles is known to have a round exit hole size of 1/8" to 3/8"?

Lyctid
Old House Borer
Anobiid
Bostrichid

The correct answer is: Bostrichid

The Bostrichid beetle, commonly referred to as the powderpost beetle, is known for creating exit holes that range in size from 1/8" to 3/8". These beetles are typically associated with wood damage and are known for their ability to infest hardwoods. The size of the exit holes is a distinguishing characteristic, making it easier to identify the presence of this pest in wooden structures. In contrast, the other beetle families have different exit hole sizes. For instance, Lyctid beetles generally make smaller exit holes, usually around 1/16" to 1/8", while Anobiid beetles create oval-shaped exit holes about 1/8" in diameter. The Old House Borer, which belongs to the longhorn beetle family, typically has larger exit holes, approaching or exceeding 1/4". Understanding these characteristics is crucial for pest management and for preventing further damage to infested wood.