When inspecting for termites, which of these is a common indicator?

The presence of old or new tunnels or mud tubes serves as a significant indicator during termite inspections because these structures are created by termites as they navigate through wood or soil. Termites build mud tubes as protective pathways connecting their nests to food sources, allowing them to travel safely while avoiding exposure to open air, which can dehydrate them. Observing these tubes, whether they are active or abandoned, indicates past or present termite activity and helps in assessing the severity of an infestation.

Other indicators, such as visible insects flying around, may not be reliable since termites, especially those in the worker stage, are typically not seen flying. This phase is more commonly associated with reproductive swarms, which are seasonal and may not be present during an inspection. Bright colors on wood surfaces and clear, intact surfaces often suggest a lack of damage, which would not support the presence of termites. Thus, inspections focus on physical signs like mud tubes to confirm termite presence and guide the necessary treatment actions.