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February 26, 2026

What PMPs Need to Know About Termite Activity and Long-Term Control

A Closer Look

Silent. Systematic. Relentless. Termites act as a living superorganism capable of causing significant structural damage to unprotected homes. When left unmanaged, the impact can be costly, extensive, and devastating. Because of this threat, there are many questions a concerned homeowner likely has when it comes to termite infestations and potential damage. As a PMP, it’s important to be prepared to answer confidently when these and other termite-related questions arise. Below we discuss some common termite FAQs:

Can you tell how old this termite damage is?
The short answer is no. This is because there is no scientifically reliable method to accurately determine how old termite damage is. Avoid speculating or assigning timelines unless there is clear and definitive documentation available that can be referenced. Attempting to “age” damage can create liability concerns and miscommunication.

How has foam insulation created challenges for termite management and inspections?
Foam insulation can conceal termite evidence and restrict proper inspection. By hiding signs such as mud tubes and obstructing our view of potential entry points and activity, foam limits visibility and compromises the ability to provide a thorough inspection.

What are some tips for providing a thorough inspection and what signs should I look for to determine if there is termite activity?
Investing in specialty inspection equipment like moisture meters, borescopes, infrared cameras, flashlights, and other devices can significantly improve detection. When conducting your inspection, it’s important to access all areas of the structure, including attics and crawlspaces. Look for signs like cracked or bubbling paint, tubes, pinholes or kick-out holes, wood that sounds hollow, pellets, wings, and of course live termites or swarmers.

How can I tell what type of termite it is?
Correct identification is an essential step before developing a management plan. Subterranean and drywood termites leave behind very different evidence and require different treatment strategies. While workers are typically the most abundant caste in the nest, soldiers or winged reproductives (alates/swarmers) are best for reliable identification of collected specimens. If you are uncertain, consult local extension services, a university entomology department, or a qualified entomologist for assistance.

Can subterranean termites survive without soil contact?
Subterranean termites depend on the soil for moisture and protection. They construct mud tubes to maintain humidity and shield themselves from desiccation while traveling above ground. However, Formosan subterranean termites are known for creating carton nests built from soil, excrement, and chewed wood. These nests can retain sufficient moisture to support termite activity above ground if a consistent moisture source is available, even when soil contact is disrupted.

What CSI products are effective at managing termites?
Control Solutions Inc. has several very reliable tools for managing termites in our portfolio. With fipronil being one of the most trusted AIs for the job, we offer it in a few different formulations and combinations for PMPs to use:

Taurus SC: 9.1% fipronil in a water-based SC for superior termite control.

Fuse Foam: 0.005% Fipronil + 0.025% Imidacloprid in a ready-to-use expanding foam.

Taurus Dry: 0.5% fipronil in a dry flowable formulation for convenient and precise applications to voids, galleries, nests, and other areas where termite activity is observed.

Fuse SC: 6.6% Fipronil + 21.4% Imidacloprid in a proprietary Combination Chemistry product that provides a long lasting non-repellent residual.

Heather Patterson

PCO Technical Services Manager

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