Termites in Illinois

Termite Activity in Illinois

Termites are active across the state, from Rockford to Chicago and from Springfield to Champaign, Illinois.

What Types of Termites are in Illinois?
Subterranean termites are known to cause damage to homes in Illinois. Drywood termites are not native to the state.

Subterranean termite:

picture of subterranean termite

Drywood termite:

picture of drywood termite

Are Formosan Termites in Illinois?
Formosan termites have not been identified in Illinois. This species typically lives in very warm locations in the southern U.S.

Formosan termite:

picture of formosan termite

When Do Termites Swarm in Illinois?
Generally, termites swarm on a warm day after a rainfall. Swarms may occur during the winter in heated buildings. The swarming habits of the most common species in Illinois are described below.

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

Although drywood termites are not established in Illinois, it is possible for this species to travel in wooden objects, such as furniture and wine crates, and establish colonies in the state. Drywood termites have been found in areas far from their native habitats. A licensed termite inspector can help identify species not native to the state.

In states like Illinois 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 Illinois, talk to your termite control expert about methods to help protect your home from termite infestations and damage.