Where are structural infestations by anobiid beetles most common?

Structural infestations by anobiid beetles, also known as deathwatch beetles, are most commonly found in crawlspaces for several reasons. Crawlspaces often provide the ideal conditions for these pests to thrive, including humidity and shelter from direct sunlight. In many structures, crawlspaces contain wood that has been exposed to moisture, making it more susceptible to attack by these wood-boring beetles.

Anobiid beetles typically infest wood that is either decayed or very dry, and crawlspaces often have wooden beams, joists, and other structural elements that can fit this description. The limited airflow and dampness frequently found in crawlspaces further contribute to the risk of infestation. While other areas like attics and basements can also be vulnerable, the unique conditions of crawlspaces make them particularly conducive to beetle infestations.