OPM Termite Practice Exam

Which type of termites is known as the most damaging to structures?

1. Drywood termites

2. Subterranean termites

3. Formosan termites

4. Carpenter termites

The correct answer is: Subterranean termites

Subterranean termites are known to be the most damaging to structures primarily due to their behavior and habitat. These termites live in the soil and build extensive underground colonies, which can include millions of individuals. Their access to moisture and the natural environment makes it easier for them to reach wooden structures, causing significant damage as they tunnel through the wood for food. Their ability to create mud tubes, which help them travel between their colony and their food source while protecting them from predators and dehydration, also contributes to their destructive capacity. Subterranean termites are responsible for an estimated 80% of the damage caused by termites to structures. While drywood termites and Formosan termites also cause damage, they are not as prolific as their subterranean counterparts. Drywood termites typically infest the wood itself and are limited to the area where they find dry wood, making them less widespread in their damage potential. Formosan termites are a type of subterranean termite but are a specific invasive species known for their aggressive foraging behavior, yet the general category of subterranean termites still encompasses the vast majority of termite-related structural damage. Carpenter termites, often confused with carpenter ants, do not exist as a distinct category of damaging termites; rather, they are a term used informally for wood