What type of damage do drywood termites commonly cause?

Drywood termites are well-known for causing damage in a manner that is distinctive among different types of wood-destroying insects. The correct response highlights that drywood termites leave behind droppings, often referred to as frass, which are small pellets composed of digested wood. This frass can be a key indicator of their presence, as they typically expel it through exit holes in the wood they've infested.

Additionally, drywood termites create channels and tunnels within the wood, which may manifest as visible cuts or feeding lines on the surface. This characteristic damage can often be seen on furniture, structural wood, and other wooden items that serve as their food source. Their feeding behavior does not create excessive moisture or mold issues, nor does it typically leave behind structural weaknesses that are unnoticeable. Instead, the combination of the droppings and damage patterns makes the identification of drywood termite infestations relatively straightforward once their signs are recognized. Understanding these specific indicators is crucial for effective pest management and treatment.