Which best describes drywood termites?

Drywood termites are known for their unique behavior compared to other types of termites, particularly dampwood and subterranean termites. They inhabit dry wood, which doesn't require the same moisture levels as other species. The correct description is that they create galleries just beneath the surface of the wood they infest. This behavior allows them to live and feed within the wood itself without needing to return to the soil for moisture, which is characteristic of subterranean termites.

The construction of these galleries is significant because it can lead to structural damage in wooden structures without the visible signs often associated with other termite species. As drywood termites chew through the wood, they leave behind frass, which can often be mistaken for sawdust. Understanding this behavior is crucial for effective inspection and treatment approaches in pest control.

The other options do not accurately describe drywood termites. They do not live underground in colonies, do not require constant moisture, and are typically not attracted to light, which sets them apart from some other pest species. Knowing these distinctions is essential for anyone involved in termite pest management.