By Michael Cadenhead, ACE — Associate Certified Entomologist, Licensed Pest Control Operator (FDACS), CEO of Cadenhead Services, Inc.
Why Baiting Is the Only Treatment That Can Verifiably Eliminate a Colony
If you have seen a swarm — especially an interior swarm with visible exit holes or mud tubes — the treatment decision you make next is the most important one. And after decades of treating termite infestations across NW Florida, our position is clear: when there is an active infestation, baiting is the only approach that gives you verifiable colony elimination.
Here's why that matters — and why we switched.
What Liquid, Foam, and Dry Treatments Actually Do
Liquid soil treatments, foam injections, and dry termiticide applications all work on the same principle: create a chemical barrier or toxic zone that kills termites that contact it. They're fast-acting, and they work — in the sense that they will kill termites in the treated area.
But here's the problem with treating a social insect that has been living inside your structure for years:
Termites avoid what they learn is dangerous.
We treated hundreds of active infestations with liquid, foam, and dry products. We would kill a significant number of termites in the treated zone — and then the colony would respond exactly as social insects do. They rerouted. They moved to an untreated section of the structure. They stayed away from the treatment zone and continued feeding from another entry point.
A year later, the phone would ring again. Same house, different room. Another swarm from a different part of the structure. Same colony — weakened, but alive, still feeding, still growing toward the next swarm.
That's the defining failure of barrier-only treatment for active interior infestations: you can kill termites without eliminating the colony. And an uneliminated colony will continue to damage your home.
How Baiting Actually Works — and Why It's Different
Baiting works by turning the termite colony's own biology against itself.
Worker termites are the foundation of the colony. They forage, they feed, they maintain the nest. Every other caste — soldiers, reproductives, the queen — depends on workers for food and care. When you disrupt the worker population, the entire colony structure begins to collapse.
The active ingredient in termite bait (such as Sentricon's noviflumuron) is an insect growth regulator. It does not kill termites on contact. Instead, it interferes with their ability to molt — the biological process by which termites shed their exoskeleton and grow. Workers that consume the bait cannot complete their molt. They die at the nest.
This is critical: the killing happens inside the colony, not at the treatment point. Workers carry the bait back to the nest and share it through trophallaxis — the direct feeding behavior termites use to distribute food through the colony. The bait spreads through the population the same way food does. The colony eliminates itself from the inside out.
The Verifiable Proof: Worker-to-Soldier Ratio
Here's what makes baiting different from every other treatment method: you can watch the colony decline in real time.
When we service a bait station after 30, 60, or 90 days of active feeding, we examine what's in the bait matrix. Specifically, we look at the ratio of workers to soldiers present.
In a healthy, active termite colony, workers vastly outnumber soldiers — workers do all the foraging and feeding, and soldiers exist to defend the colony. Research documents that soldiers represent approximately 3.59% of a natural, healthy colony (Tashiro et al., 2023; DOI: 10.15376/biores.18.1.131-142). When the bait begins working and worker populations start to decline, something revealing happens: soldiers begin appearing in greater numbers at the bait station.
Why? Because the soldiers that remain are searching for workers to feed them. They can't feed themselves — soldiers in most termite species are fed entirely by workers. As worker populations collapse, soldiers become increasingly active and visible, concentrating near food sources.
The same research documents that in colonies fed a chitin synthesis inhibitor (CSI) bait over 10 weeks, the soldier proportion rose from 3.59% to 40% of observed colony members — while overall colony mortality reached 95%. The rising soldier fraction is a directly measurable, quantifiable indicator of colony collapse. When a technician opens a bait station and sees that ratio climbing — more soldiers, fewer workers — that is a documented, observable indicator of colony decline. It's not a guess. It's not an estimate. You can count them.
This is what we mean by verifiable colony elimination: we can show you the evidence at each service visit that the colony is weakening, and ultimately confirm when worker activity has ceased entirely.
Why This Matters for Active Infestations Specifically
For a brand-new, preventative installation with no confirmed infestation, bait stations serve as monitoring and early-interception tools — catching foraging workers before they establish a feeding site in your structure.
But for a home where termites have already swarmed — where you have visible exit holes, mud tubes, or confirmed interior activity — the stakes are higher. You don't just need to stop further damage. You need to eliminate the colony that has already been feeding inside your structure for years.
Liquid barrier treatments applied to an active interior infestation will not reach the nest. They may reduce foraging in the treated zone, but the colony retreats, redirects, and continues. We have seen this pattern enough times to say with confidence: barrier-only treatment of an active interior infestation is an incomplete solution.
Baiting eliminates the source. And it gives you the receipts to prove it.
What to Expect After Bait Is Installed at an Active Site
This is something homeowners need to understand before they panic: termite activity may appear to increase shortly after bait installation. This is normal and is actually a sign the bait is working.
As worker populations begin to decline, surviving soldiers become more active in their search for food and workers. You may see increased mud tube activity or more termites in visible areas. This is the colony responding to internal stress — not a treatment failure.
Within 30 to 90 days of consistent bait feeding, worker activity begins to measurably drop. By the second or third service inspection, the decline is typically visible in the station. Full colony elimination, confirmed by cessation of worker activity at the station, generally occurs within 3 to 6 months for Eastern subterranean colonies, and may take longer for large Formosan colonies due to their size. Research on Formosan subterranean termites treated with noviflumuron (the active ingredient in Sentricon Always Active) documented colony collapse in approximately 60 days, with noviflumuron-affected workers returning to the central nest to die rather than at the foraging site — preventing bait station aversion and spreading mortality through the core colony (Husseneder et al., 2018; DOI: 10.1038/s41598-018-19603-8).
This is why we monitor bait stations at regular intervals — not because the product needs to be replaced constantly, but because the inspection itself is the evidence of what's happening underground.
If you have seen a termite swarm, found mud tubes, or noticed exit holes in your home, call Cadenhead Services at (850) 682-4333. We will inspect, identify the species, assess the extent of activity, and give you an honest recommendation — including whether baiting, liquid treatment, or a combination approach is right for your specific situation.
Why You Should Never Remove Bait Stations After a Colony Is Eliminated
This is one of the most common mistakes homeowners make — and one of the most expensive.
A technician confirms colony elimination. The bait station shows no worker activity. The homeowner feels relieved and decides to cancel service or pull the stations. Problem solved, right?
Not even close.
Termites Are Territorial — and They Leave Infrastructure Behind
Termite colonies are territorial. An active colony will defend its foraging territory from competing colonies, maintaining exclusive access to food sources and foraging tunnels within its range. This territorial behavior is part of what makes baiting so effective — once a colony finds a bait station, they recruit heavily to it and bring the bait back to the nest.
But here's what territorial behavior also means: when one colony is eliminated, another will eventually move into that territory.
And when the next colony expands into the area where the first colony operated, it doesn't start from scratch. It inherits the physical infrastructure the first colony left behind.
Termite colonies build extensive underground tunnel networks — foraging galleries that can extend hundreds of feet from the nest center, with mud tube architecture that remains physically intact in the soil long after the colony that built it is gone. Subterranean termite foraging is guided both by active pheromone signals and by the physical pathways already excavated through the soil. A new colony expanding into previously occupied territory encounters those existing pathways and can follow them, significantly reducing the exploratory tunneling effort required to locate food sources — including your foundation and any in-ground bait stations. This is a well-established principle of subterranean termite foraging ecology: existing tunnel networks reduce the cost of territory expansion for incoming colonies (Vargo & Husseneder, 2009, Annual Review of Entomology; Su & Scheffrahn, 1998, termite foraging literature).
The New Colony Finds Your Home Faster Than the First One Did
The first colony that reached your home had to discover it — foraging randomly through the soil until workers encountered your foundation, your wood, or your bait station. That discovery process takes time.
The next colony that moves into the same territory finds the established infrastructure immediately. The pheromone trails are still active. The tunnels are already dug. The path to your bait station — and to your home — is already mapped.
The second colony reaches your structure faster, with less effort, and in greater numbers than the first colony did.
This is not theoretical. It is the predictable outcome of how subterranean termites expand territory and utilize existing foraging networks. Removing bait stations after confirmed colony elimination is the equivalent of taking down a security camera because nothing happened last month.
What Continuous Monitoring Actually Does
Keeping bait stations in the ground after colony elimination serves two functions:
1. Interception. When the next colony expands into the territory and follows the existing tunnel network toward your structure, it encounters the bait station first — before it reaches your foundation. The cycle repeats: colony finds bait, feeds, declines, is eliminated. Colony never reaches your home.
2. Early detection. A maintained bait station that suddenly shows renewed worker activity is telling you something important: new pressure has arrived. Without stations in the ground, that new pressure goes undetected until the colony is large enough to swarm — which means years of feeding have already occurred.
The Pattern That Repeats — and Why That's Actually Good News
Colony is eliminated → territory is temporarily vacant → new colony expands into the area → finds the existing tunnel network → reaches the bait station → feeds → declines → is eliminated → repeat.
This cycle will continue as long as there are termite colonies in the surrounding soil — which in NW Florida means indefinitely. The Panhandle's soil, climate, and landscape support permanent termite pressure. There is no endpoint where a property becomes termite-free forever.
The bait system doesn't fight this reality. It works with it. Each cycle, the colony is intercepted and eliminated before it causes damage. The station does its job. You renew service. The next colony eventually arrives, finds the station, and the process repeats.
The bait stays in the ground. The colonies keep dying. Your home stays protected.
Removing the stations doesn't end the cycle — it just removes your protection from it.
A Note on "My Neighbor Canceled and Nothing Happened"
We hear this occasionally. A homeowner cancels service, a year passes, and no swarm occurs. They conclude they didn't need the ongoing service.
What they can't see is the foraging activity that never reached their foundation. Or the new colony that found the empty station location — now with no bait — and continued past it to begin feeding on the structure. The absence of a visible swarm in year one does not mean the absence of feeding. It means the colony hasn't matured enough to swarm yet.
By the time a new infestation produces a visible swarm, it has typically been feeding for 3 to 5 years. The homeowner who canceled service three years ago and "never had a problem" may be about to have a very expensive problem.
Continuous monitoring is not a sales pitch — it is how the system works. If you have questions about your current bait station service, whether your stations are active, or what a lapse in service means for your protection, call us at (850) 682-4333. We will give you an honest answer.
What Happens When Termites Find the Bait — Even If They've Already Found Your Home
One of the most common questions we hear from homeowners with an active infestation is this: "If the termites are already eating my house, why would they bother with the bait station?"
It's a fair question. And the answer comes directly from research — and from understanding how termites actually think about food.
Termites Don't Just Eat — They Constantly Grade Food Sources
Worker termites are foraging machines. Around the clock, seven days a week, workers from a single colony are tunneling through the soil in every direction, constantly searching for and cataloging food sources. Your home, a nearby tree stump, a rotting fence post, a wood pile, a bait station — all of it gets found, marked, and graded.
That grading process is the key to understanding why bait works even when the colony has already located your structure.
When workers find a food source, they don't just start consuming it immediately. They assess it. They mark it with pheromones. They communicate its quality back to the colony through chemical signals that travel through the foraging network. Some sources get a high-priority signal: come here now, this is ready. Others get a lower-priority marker: we found it, it's there, check back later — it needs more time.
Wood that is still structurally sound and low in moisture may get marked but not heavily recruited to immediately. Wood that has begun to soften, decay, or take on moisture gets escalated. The colony is continuously managing a ranked list of food sources and directing workers accordingly.
Research on Bait Palatability and Foraging Priority
Multiple studies have investigated why termite colonies recruit heavily to bait stations even when structural wood is already available nearby. The research points to several factors:
Bait matrix — the compressed cellulose used in systems like Sentricon — is engineered to be highly palatable and easily digestible, with moisture content and texture optimized for termite feeding. Foraging workers that find a bait station recruit nestmates to it intensively through pheromone trails, just as they do with any high-value food source. Research on termite foraging behavior (summarized in Chouvenc 2024, DOI: 10.1093/jee/toae150, and the broader Sentricon research base compiled from 30+ universities and USDA Forest Service field trials) confirms that bait-based IGR systems achieve colony suppression and elimination even in the presence of nearby alternative food sources — which is why baiting works on active infestations, not just as prevention.
This is not a coincidence of placement or accessibility. Workers that find a bait station carry both the food and its chemical signature back to the nest, recruiting additional foragers through the same pheromone trail system they use for all food sources. The bait actively competes for — and frequently wins — the colony's foraging attention.
What this means in practical terms: even a colony that has already established feeding galleries inside your home's structure will divert significant foraging attention to a bait station once they find it.
How This Protects Your Home Even Mid-Infestation
Think about what's happening inside a colony with millions of workers during an active infestation:
- Some workers are maintaining and expanding galleries inside your walls
- Others are foraging through the soil looking for additional food sources
- Pheromone trails are constantly being updated as food source quality changes
- The colony is continuously redirecting workers toward higher-priority sources
When bait stations are installed around a home with an active infestation, the foraging workers that are already in the soil encounter the stations and recruit heavily to them. The bait gets a high-priority grade. Workers begin diverting from other food sources — including your structure — to feed on the bait.
At the same time, those workers are carrying the bait's active ingredient back to the nest. The colony that was feeding on your home is now also consuming bait. The two processes — feeding on your structure and feeding on bait — are happening simultaneously, but the bait is winning the competition for foraging attention.
As worker populations begin to decline from the bait's insect growth regulator, fewer workers are available to maintain feeding galleries in your structure. The infestation weakens at its source. The colony collapses from the inside, not from a chemical barrier applied at the surface.
What Termites Are Actually Doing Inside Your Walls
This is the mental model that helps homeowners understand the threat — and the solution — more clearly:
Termites are not malicious. They are not targeting your home out of preference. They are doing the only thing they are biologically programmed to do: find food, grade it, mark it, and feed the colony.
Your home is one item on a very long list of food sources that workers are cataloging in every direction from the nest. Some of that list includes food sources that aren't ready yet — wood that's too dry, too hard, or otherwise not yet optimal. Workers mark those sources and return to test them as conditions change. As wood ages, absorbs moisture, or begins to soften, its grade goes up and the colony recruits more workers to it.
This is why termite infestations often seem to appear suddenly — not because the termites just arrived, but because a food source that had been marked for months finally crossed the threshold of palatability that triggered heavy recruitment. The termites were there all along. The wood just got good enough to eat.
Bait stations exploit this same system. A high-quality bait matrix placed in the soil where foraging workers are active will be found, graded highly, and recruited to. The colony's own foraging intelligence — the same system that leads termites to your home — leads them to the bait first.
Why Station Placement and Maintenance Matter
Because the bait competes for foraging attention based on how workers grade food sources, the placement and condition of bait stations directly affects performance.
- Stations placed in active foraging zones — near moisture sources, wood-to-soil contact points, existing mud tubes, or known foraging corridors — are found faster and recruited to more heavily.
- Stations with fresh, high-quality bait maintain their competitive grade against other food sources in the colony's foraging network.
- Depleted or degraded bait loses its competitive advantage — the colony may continue feeding on your structure if the bait station offers a lower-quality signal than available wood.
This is another reason regular service intervals matter. It's not just about checking whether the bait has been consumed — it's about ensuring the bait in the ground is consistently competitive with every other food source the colony is evaluating.
The termite colony is always working. The bait station, maintained properly, works harder. That's the whole system.
Questions about bait station placement, service intervals, or whether your current protection is performing? Call Cadenhead Services at (850) 682-4333.
