Spotted a mud tube running up a foundation wall, or a spring swarm of dark winged insects around a window in your Bartow home? Those are subterranean termites — the soil-dwelling species that causes the most structural damage in Polk County. Bartow’s older housing stock and clay-influenced soils make it a hotspot. Here’s how treatment works and how to get matched with a licensed pro.
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Why Bartow sits in heavy subterranean termite territory
Subterranean termites (Reticulitermes species, plus the aggressive invasive Formosan) live in the soil and travel up into a structure through mud tubes, feeding on the cellulose in framing, subfloors, and trim. Polk County as a whole carries some of Florida’s highest combined termite pressure, and Bartow — the county seat, with a core of older homes and slab-and-crawlspace construction — gives these colonies the soil contact and wood they need. A mature colony can number in the hundreds of thousands and works year-round in our climate.
The warning signs that bring Bartow homeowners to us
- Mud tubes — pencil-width earthen tunnels on foundation walls, piers, and slab edges, the clearest sign of an active subterranean colony
- Spring swarms — clouds of dark winged reproductives (alates) around windows on warm days, then piles of shed wings
- Hollow or blistered wood — baseboards and trim that sound papery when tapped
- Bubbling or peeling paint with a maze-like pattern underneath
Subterranean and drywood termites are treated differently, so confirming the species matters — see our drywood vs. subterranean comparison and signs of termites. For a fuller side-by-side on which of the two you’re actually dealing with and why it changes the fix, see subterranean vs. drywood termites in Polk County.
Why a real-estate or annual inspection pays for itself
Subterranean damage is slow and hidden — by the time trim sounds hollow, the colony has been feeding for a while. Bartow’s older homes especially benefit from a periodic licensed inspection and, in many cases, a termite bond (a renewable treatment-and-warranty agreement). For a buyer or seller, the WDO inspection is the standard documentation lenders look for. If you’re weighing the numbers, our termite treatment cost guide for Lakeland & Polk County lays out typical price ranges for inspections, spot treatment, and full jobs.
How licensed treatment works
Two proven approaches dominate. A liquid soil barrier (e.g., a non-repellent termiticide like fipronil) is trenched and injected around the foundation so foraging termites pass through it and carry it back to the colony. A bait system (such as in-ground stations) recruits workers to a slow-acting matrix that collapses the colony over time. A licensed inspector picks the fit based on construction type, conducive conditions, and whether you want an ongoing bond. See our termite treatment guide and why Polk County sits in the high-pressure zone.
Bartow subterranean termite FAQs
What’s the difference between subterranean and drywood termites?
Subterranean termites live in the soil and reach wood through mud tubes; they cause most structural damage and are treated with soil barriers or bait systems. Drywood termites live entirely inside wood with no soil contact and are treated differently, sometimes by fumigation. Confirming the species sets the treatment.
What do mud tubes mean?
Pencil-width earthen tubes on foundation walls or piers are the clearest sign of an active subterranean colony — the termites build them to keep humidity up as they travel from soil to wood. They warrant a prompt licensed inspection.
Is a termite bond worth it in Bartow?
For many older Bartow homes, yes. A bond is a renewable treatment-and-warranty agreement that keeps protection active and typically includes periodic re-inspection. Given Polk County’s high termite pressure, it’s a common choice. Your matched pro will lay out the terms.
Liquid barrier or bait system — which is better?
Neither is universally ideal; it depends on construction, soil access, conducive conditions, and whether you want an ongoing bond. Liquid barriers act faster on an active infestation; bait systems work well for long-term colony management. A licensed inspector matches the method to your home.
I’m buying a home in Bartow — do I need a termite inspection?
Strongly recommended, and often required. A WDO (wood-destroying organism) inspection documents active or past infestation and conducive conditions, which lenders and buyers rely on. It’s the standard real-estate termite report in Florida.
Protect the structure before it spreads
Tell us your ZIP and what you’re seeing. We’ll match you with a licensed, insured Bartow company to schedule an inspection.
Last reviewed June 2026 · reviewed on a quarterly cycle. Lakeland Exterminators is a dispatch and matching service, not a treatment provider.
Disclaimer: Lakeland Exterminators is a local dispatch and referral service, not a licensed pest-control operator. We connect Polk County, Florida homeowners with independent, FDACS-licensed and insured pest-control companies. All inspections and treatments are performed by those independent providers, who set their own pricing, scheduling, and service terms.
Any reference to same-day, emergency, or 24/7 service describes the typical scheduling of matched independent providers and is not guaranteed; actual response times vary by provider, season, location, and demand.