Apache Junction
Casa Grande
El Mirage
Fountain Hills
Green Valley
New River
Queen Creek
Sierra Vista
Sun City
Sun City West

Termite Activity in Arizona

Termites are active across the state, from the Grand Canyon to Flagstaff and from Phoenix and Mesa to Tucson, Arizona.

What Types of Termites Are in Arizona?
Subterranean, drywood and dampwood termites are all active in Arizona.

Are Formosan Termites in Arizona?
Formosan termites have not been identified in Arizona. The closest confirmed Formosan termite infestations have taken place in southern California.

When Do Termites Swarm in Arizona?
Generally, termites swarm on a warm day after a rainfall. The swarming habits of the most common species in Arizona are described below.

  • Found only in southern Arizona, the desert subterranean termite swarms at night from July to September.The arid-land subterranean termite swarms in daylight during the spring or fall. At elevations above 4,000 feet, it is more likely to swarm in June and July.
  • The dark western drywood termite swarms from May to early August, while the light western drywood termite swarms at dusk from May to September. Temperatures must be at least 80 degrees for these species to swarm.
  • The desert dampwood termite swarms in the evening from May to September.

More Information about Termites in Arizona

According to Termite Infestation Probability Zones (TIP Zones), Arizona is located in TIP Zone #2 (moderate to heavy), which means the potential for termite damage is considered significant. Areas with higher probabilities for termite activity require more termite control measures to meet International Residential Code building standards for new homes than areas with less frequent activity.

In states like Arizona where termites are fairly active and widespread, it is essential to maintain an effective termite prevention and control program. If you own a home in Arizona, talk to your termite control expert about methods to help protect your home from termite infestations and damage.