he warmer weather, moisture and light will cause swarmers to be visibly active. Many times after a storm has occurred. You could have termites and not even know it. Subterranean termites are the most common type found in North Texas. Termites cause more damage each year than fire and windstorms combined. They are responsible for more the $2 billion in property damage each year. Signs to look for are swarmers, wings, and damaged wood could be an indication of termites.