Final answer:
Bugs found in air-drying wood are likely to be wood-boring insects like powderpost beetles, carpenter ants, or termites, which can damage wood and require appropriate treatment methods.
Step-by-step explanation:
If you're discovering bugs in wood that has been air-drying for several years, it's likely that these are wood-boring insects. There are various species that might infest and damage wood, such as powderpost beetles, carpenter ants, or termites. These pests can cause significant damage to timber if left unchecked. Powderpost beetles, for example, lay their eggs in the wood, and when the larvae hatch, they consume the wood from the inside out, creating fine, flour-like sawdust. It's important to properly identify the insects to determine the appropriate treatment method, which might involve chemical treatments or physical removal of the infested wood.