Termite Swarm Season in NW Florida: What to Do Right Now
If you live in Crestview, Milton, Freeport, or anywhere in Northwest Florida and you see a sudden cloud of winged insects inside or outside your home — stop and read this before you do anything else. You may be witnessing a termite swarm, and what you do in the next few hours matters.
What Is a Termite Swarm?
A termite swarm happens when a mature colony releases hundreds or thousands of winged reproductives (called alates) to fly off and start new colonies. This is how termites spread. It usually happens on warm, humid days — often after rain — and in NW Florida, the primary swarm season runs from January through July, with peak activity March through June.
Seeing a swarm does not mean your house is about to collapse. But it does mean there is a mature termite colony nearby, and if the swarm is inside your home, it means termites have already been eating your structure for several years. (Not sure if what you saw is termites or flying ants? See our guide on how to tell flying termites from flying ants.)
The 3 Termite Species Swarming in NW Florida Right Now
Not all termites swarm at the same time. In the Crestview, Milton, and Freeport area, three species are active during different parts of the season:
1. Eastern Subterranean Termites (Reticulitermes flavipes)
The most common termite in the Florida Panhandle. Eastern subterranean termites swarm from January through May, with peak activity in March and April after a warm rain. Colonies typically range from 60,000 to 300,000 workers, though some can grow larger. They build mud tubes to travel between their underground colonies and the wood they feed on.
2. Formosan Subterranean Termites (Coptotermes formosanus)
An invasive species and the most destructive termite in the world. Formosan termites swarm from May through July, typically at night and are drawn to lights. A mature Formosan colony can have up to 10 million workers and consume roughly 13 ounces of wood per day — far more than native species. They can cause noticeable structural damage within a year, faster than any native termite species. Formosan termites are an emerging threat in the Panhandle and are more aggressive than native species.
3. Southeastern Drywood Termites (Incisitermes snyderi)
Unlike subterranean termites, drywood termites live entirely inside the wood they infest — they do not need contact with soil. They swarm from June through July, usually in the late afternoon. They are less common than subterranean species but can cause significant damage to structural wood, furniture, and trim.
Step-by-Step: What to Do When You See a Termite Swarm
1. Do not panic. The swarmers themselves do not eat wood. They are reproductives looking for a place to start a new colony. About 99% of them die before ever establishing one.
2. Do not spray them. Spraying termite swarmers with bug spray will not solve the problem and can actually make a professional inspection harder. The swarmers will die on their own within hours — the real issue is the colony they came from.
3. Collect a few in a ziplock bag. If you can safely collect 5–10 of the insects, put them in a sealed plastic bag. A licensed pest control professional can use these to identify the species, which determines the correct treatment approach.
4. Take photos or video. Document where the swarm is coming from — a wall, a window, a crack in the slab, a tree stump, or from the ground. This helps the inspector locate the colony. (If you find discarded termite wings inside your home, that is also important evidence.)
5. Call a licensed professional immediately. You have a 24 to 48 hour window before the swarmers disperse and the evidence becomes harder to trace. Cadenhead Pest Control offers same-day inspections during swarm season — call (850) 682-4333.
Indoor Swarm vs Outdoor Swarm — Why It Matters
If the swarm is inside your home: This means termites are already inside your structure. A mature colony does not swarm until it has been established for 3 to 5 years. By the time you see swarmers indoors, there may already be significant hidden damage. This requires immediate professional assessment.
If the swarm is outside: This indicates a colony in the soil, a tree, or a stump nearby. It does not necessarily mean your home is infested yet, but it does mean there is risk. Subterranean termite colonies can forage up to 300 feet, so a colony on your property or a neighbor's property could reach your home.
Why NW Florida Is Ground Zero for Termite Swarms
According to the University of Florida IFAS Extension, Florida leads the nation in termite damage, with estimated costs ranging from $500 million to $1 billion annually. NW Florida's combination of warm temperatures, high humidity, sandy soil, and heavy rainfall (60+ inches per year) creates ideal conditions for termite colonies to thrive.
Local evidence of the threat is not theoretical. In February 2024, the Star Pavilion at Rosamond Johnson Beach in Santa Rosa County — a structure within Gulf Islands National Seashore — was demolished due to extensive structural damage caused by termites. Across Okaloosa and Santa Rosa counties, termite damage to public structures has led to increased inspection requirements and costly repairs, a trend that local pest control professionals and building officials have observed accelerating in recent years.
What About Treatment? Bait Systems vs Liquid Treatments
There are two primary approaches to termite treatment, and NW Florida's unique conditions make the choice especially important:
Liquid soil treatments create a chemical barrier in the soil around and under your home. They provide immediate protection but degrade over time — and NW Florida's sandy soil and heavy rainfall accelerate that breakdown. Read our deeper comparison: Sentricon vs. liquid termite treatment.
Bait systems (like Sentricon and Trelona) use stations placed around your structure. Foraging termites consume the bait and bring it back to the colony, eventually eliminating it entirely. This is particularly effective against Formosan termites, which can bypass liquid barriers. See our full breakdown of why bait systems beat liquid barriers in NW Florida.
Florida Law and Your Home
Under the Florida Building Code (8th Edition, 2023), termite protection is mandatory on all new construction. The Florida Department of Agriculture and Consumer Services (FDACS) requires annual inspections for most treatment types, and most mortgage lenders require an active termite bond for home purchases.
Schedule a Free Termite Inspection in Crestview, Milton, or Freeport
Cadenhead Pest Control has been protecting homes in Crestview, Milton, Freeport, and throughout Northwest Florida since 1983. Our licensed technicians identify the termite species, locate the colony, and recommend the most effective treatment for your specific situation. We offer both Sentricon Always Active bait systems and liquid barrier treatments, and we will give you an honest assessment of which approach is right for your home.
If you see a termite swarm — inside or outside — call us at (850) 682-4333 or request a free termite inspection online. Same-day inspections are available during swarm season.
