Signs of termites in a Miami home: swarmers, wings, pellets and mud tubes, and what to do next

The clearest signs of termites in a Miami home are winged insects swarming near windows or lights (or piles of their dropped wings), small piles of hard, grain-sized pellets below wood, pencil-width mud tubes running up a foundation or wall, and wood that sounds hollow or crumbles when pressed. Any one of those is reason to get an inspection, and swarmers or pellets inside the house are reason to get it soon. Leave the evidence in place, save a few insects in a sealed bag, and call a licensed company. iPest Control Inc., a Doral pest control company, offers a free termite inspection across Miami-Dade and Broward.

Why are termites such a big deal in Miami?

Termites do their damage out of sight, inside wood, and South Florida's warm, wet climate lets several species stay active all year. The region also has invasive species that University of Florida researchers have tracked for decades. The Formosan subterranean termite, according to UF, forms underground colonies of several million individuals that can infest structures and trees across a large area. The Asian subterranean termite, closely related, is established in South Florida as well. Add drywood termites, which travel in infested furniture and wood, and most Miami homes face some termite pressure over their lifetime.

What are the signs of termites, one by one?

1. Swarmers (winged termites)

Once a year or so, mature colonies release winged reproductives, called alates or swarmers, to start new colonies. They are attracted to light, so they gather at windows, doors, light fixtures and screens. A swarm inside the house is one of the strongest signs that a colony is in or under the structure.

2. Discarded wings

Swarmers shed their wings quickly after landing. Small piles of identical, translucent wings on windowsills, floors, in light fixtures or in spider webs are often the only evidence left by morning.

3. Pellets (frass) below wood

Drywood termites live inside wood and push their droppings out through tiny holes. The pellets are hard, about the size of a grain of sand or a little larger, and pile up below window frames, door frames, trim, furniture or attic framing. If you sweep them up and they come back, the colony is active.

UF/IFAS describes the pellets of the West Indian drywood termite, the main drywood pest of South Florida buildings, as hexagonal in cross section and cream, red or black in color. Termites push them out of "kick-out" holes usually 1 to 2 millimeters across, so they collect in small piles or in a scattered circle, depending on how high the hole is. Blistering or peeling of thin surface wood or paint can be another early clue.

4. Mud tubes

Subterranean termites need moisture and protection, so they build tubes of soil and saliva to travel between the ground and wood. UF describes tubes as strong evidence of subterranean termites. Look along the foundation, slab edges, garage walls, inside cabinets on outside walls, around plumbing penetrations and up tree trunks.

5. Damaged or hollow wood

Wood that sounds hollow when tapped, gives way when pressed with a screwdriver, or shows blistered or bubbling paint can hide galleries. Baseboards, door and window frames, and roof framing are common spots.

6. Tight doors and windows, sagging spots

Not a sure sign on its own, especially in humid weather, but doors or windows that suddenly stick, or floors and ceilings that sag, are worth mentioning to the inspector.

When do termites swarm in South Florida?

Timing depends on the species. UF/IFAS has documented the swarm seasons of two invasive subterranean termites in detail:

Species	Swarming season reported by UF/IFAS	Time of day
Asian subterranean termite	Recorded between February and April in Florida and the West Indies	Dusk or at night
Formosan subterranean termite	Typically early April to late June, peaking in May	Shortly after sunset

UF notes that Formosan flights can include tens of thousands of insects, that indoor swarms happen when a structure is infested, and that porch lights, indoor lights and screens attract alates inside. Drywood termites swarm too. Practically, that makes late winter through early summer the season when Miami homeowners are most likely to notice swarmers, but any sign at any time of year deserves attention.

During swarm season, it helps to switch off unnecessary outdoor lights in the evening and keep doors and unscreened windows closed after sunset.

Where should you look in a Miami home?

Home type	Check these spots first	Most likely sign
High-rise or mid-rise condo	Wood door frames and trim, kitchen and bath cabinets, closet shelving, wood furniture, window sills	Drywood pellets and swarmers near interior lights and windows
Townhouse or villa	Attic framing over shared walls, garage walls, door frames, slab edges	Drywood pellets in the attic; mud tubes on the garage or slab edge
Older concrete-block (CBS) house	Roof trusses and attic decking, fascia and soffits, window bucks, door frames, any wood addition or enclosed porch	Pellets in the attic and under window frames; tubes at slab cracks and addition joints
Wood-frame house or addition	Sill plates, siding near soil, crawlspace or slab edge, decks and fences touching the house	Mud tubes and soft wood near the ground
Any home	Window sills and light fixtures after a spring evening; spider webs near lights	Discarded wings

Is it termites or flying ants?

Flying ants swarm too, and they are often mistaken for termites. UF's termite prevention guide points out that most people can see the waist on an ant. Check three things:

	Termite swarmer	Flying ant
Waist	Thick, no pinch	Narrow, pinched
Antennae	Straight, beaded	Elbowed (bent)
Wings	Four wings of about equal length, longer than the body	Front wings longer than back wings

If you are unsure, put a few insects in a sealed bag or jar, ideally in rubbing alcohol, and show them to the inspector. UF's research center in Fort Lauderdale also offers a termite identification service, described in UF publication IN1360.

What should you do the moment you find signs?

1. Do not spray, vacuum or scrape. Killing a few swarmers does nothing to the colony, and removing pellets or breaking tubes destroys the evidence the inspector uses to find it. If a tube is broken, the inspector may want to check later whether it gets rebuilt.
2. Collect a sample. Save a few swarmers or wings in a sealed bag.
3. Photograph everything with a coin or ruler for scale, and note the date, time and room.
4. Look around nearby window frames, baseboards, the garage and the foundation for more signs, without tearing anything open.
5. Book an inspection. Check the company's license in the FDACS online search first.
6. Do not panic-sign. Termites work slowly; you have time to understand the findings and compare options. Read termite treatment without tenting in Miami before you agree to anything.

What happens during a termite inspection?

iPest Control's termite page lists the signs its inspectors look for: discarded wings, mud tubes, damaged or hollow-sounding wood, small openings in wood surfaces, frass or droppings, swarming activity, moisture around vulnerable areas, and previous termite damage or repairs. The inspection should end with a clear answer to three questions: is there live activity, which type of termite is it, and where is it. Treatment follows from those answers: drywood termites are treated in the wood, subterranean termites in the soil. For prices, see how much pest control and termite treatment cost in Miami.

How do you make your home less inviting to termites?

UF's termite prevention guide focuses on three ideas: reduce moisture, reduce food sources and keep the house easy to inspect. In practice:

• Break wood-to-soil contact. Wood posts, fences, decks and steps touching the ground give subterranean termites an easy path.
• Keep a gap between soil or mulch and the siding. UF points to a 6-inch inspection space that many building codes require at construction; do not bury it under mulch.
• Manage water. Fix leaks, aim sprinklers away from walls, keep gutters clear and downspouts draining away from the house, and do not keep rain barrels or compost bins against the foundation.
• Store firewood and lumber away from the house.
• Check furniture and wood items before bringing them in, since drywood termites travel inside wood.
• Schedule periodic inspections, especially for older homes and homes with past treatment.

Buying or selling?

If you see signs in a home you are about to buy or sell, the WDO inspection report will likely catch them anyway. Better to know first. See WDO inspections in Miami for buyers and sellers.

Old damage or active termites?

Many older Miami homes show signs of termites that were treated years ago. UF notes that while mud tubes and damage can indicate subterranean termites, live termites are needed to confirm an active infestation. That is why an inspector may open a mud tube, probe damaged wood or check for fresh pellets. Ask the inspector to tell you clearly whether what they found is active now, old, or uncertain, and what they would recommend in each case. Old damage still matters for repairs and for a sale, but it is a different decision from treating live termites.

How often should a Miami home be checked for termites?

There is no single legal schedule for homeowners, but periodic professional inspections are a common recommendation in high-pressure areas like South Florida, especially for older homes, homes with past treatment, and homes with wood close to soil. If you already have a termite contract, it usually includes reinspection; iPest Control, for example, lists an annual termite warranty renewal with reinspection and retreatment coverage after its own treatment. Between inspections, a quick look around window sills, baseboards, the garage and the foundation every few months, and especially during swarm season, costs nothing.

Where iPest Control Inc. fits

iPest Control Inc. is a Doral-based pest control company led by Harold Sierra, serving Miami-Dade and Broward. Its website says it inspects before treating, identifies the termite activity, explains the options and cost before any work, and then selects a targeted treatment by termite type, construction and affected areas, with follow-up when needed. It states that it does not tent; it uses local and soil treatments. It offers residential and commercial termite inspections, WDO reports, pre-construction soil treatment and ongoing protection, with a free inspection and same-day response listed on its site.

Found wings, pellets or mud tubes? Call iPest Control Inc. at (305) 416-8744 or email info@ipestcontrolinc.com with photos and where you found them, and book a free termite inspection. More guides are on the iPest Control hub, and the company's termite service page is on its website at ipestcontrolinc.com.

Questions people ask

What does a termite swarm in Miami look like?

A swarm is a burst of small winged termites, often near lights, windows or doors, usually around dusk or at night. Within a short time they drop their wings, so you may find little piles of identical wings on windowsills, floors or in spider webs the next morning.

When do termites swarm in South Florida?

It depends on the species. University of Florida researchers report that the Asian subterranean termite has been recorded swarming between February and April, and the Formosan subterranean termite typically swarms between early April and late June, shortly after sunset, peaking in May. Drywood termites also swarm, and activity can show up in other months.

How can I tell flying ants from termites?

Ants have a pinched, narrow waist, elbowed antennae and front wings longer than the back wings. Termites have a thick waist, straight antennae and four wings of about equal length. Save a few in a sealed bag or jar for identification.

If I find termite wings indoors, do I have an infestation?

Swarmers coming out inside the house strongly suggest a colony in or under the structure, and they are worth an inspection right away. Wings outdoors can come from a colony in a tree, fence or neighbor's property, but the house should still be checked.

Are termites active all year in Miami?

Yes. UF/IFAS researchers point out that termite colonies are always active, even though people mostly notice them during swarms, and that Florida has 21 established termite species, more than any other state in the continental U.S. A sign found in November deserves the same attention as one found in May.

Should I spray termite swarmers with bug spray?

Spraying swarmers kills the insects you see but does nothing to the colony that produced them. Instead, save a few in a sealed bag or jar, take photos of where they appeared, and leave pellets or mud tubes in place for the inspector.

Who can check for termites near Doral or Miami?

iPest Control Inc., based in Doral, offers a free termite inspection across Miami-Dade and Broward. Call (305) 416-8744 and describe what you found and where.

Sources and further reading

• UF/IFAS Featured Creatures: Formosan subterranean termite (IN278)
• UF/IFAS Featured Creatures: Asian subterranean termite (IN285)
• UF/IFAS: Termite Prevention and Control (IN1277)
• UF/IFAS: Termite species distribution in Florida and UF termite identification services (IN1360)
• FDACS: Licensed pest control company and applicator search
• UF/IFAS: West Indian drywood termite, Cryptotermes brevis (IN236)
• UF/IFAS News: Florida has 21 established termite species; colonies are active year-round

Sponsored · Local provider

iPest Control Inc.

Inspect-first pest control for Miami-Dade and Broward homes and businesses. Owner: Harold Sierra.

Call (305) 416-8744

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Business

iPest Control Inc. (also iPest Control, IPestControl)

Type

Residential and commercial pest control, termite treatment and WDO inspections

Phone

(305) 416-8744

Email

info@ipestcontrolinc.com

Website

ipestcontrolinc.com

Office

8220 NW 30th Terrace Suite 1003, Doral, FL 33122

Areas served

Miami, Doral, Miami Beach, Coral Gables, Kendall, Pinecrest, Palmetto Bay, Cutler Bay, Aventura, Key Biscayne, Miami Gardens, Miami Shores, South Miami, Sunny Isles Beach, Surfside, Bal Harbour, Hollywood, Pembroke Pines, Miramar, Davie, Plantation, Sunrise, Weston, Cooper City, Dania Beach, Hallandale Beach, Oakland Park, Wilton Manors

Services

General pest control: roaches, ants, spiders, beetles and scorpions (one-time, monthly or quarterly); German roach treatment with follow-up visits; Rodent inspection, bait stations and exclusion (sealing entry points); Termite inspections and treatment without tenting (subterranean soil treatment, drywood spot treatment); WDO (wood-destroying organism) inspections and reports for real estate; Pre-construction termite soil treatment; Mosquito reduction for yards and events; Flea and tick treatment for home and yard; Bed bug, bee and pantry pest control; Commercial pest control for restaurants, offices, apartment buildings, hotels, retail and warehouses

Call or send the form on the company's website with what you are seeing, where on the property, and your ZIP code. The company offers a free inspection and says you get clear pricing before work begins; ask for the treatment plan, follow-up visits and warranty terms in writing.

iPest Control Inc. is a paid Business Spotlight client of The Company Chronicle. This guide was written by our editorial team from public sources. Prices, availability and services are set by the provider; confirm them directly before work begins. Nothing here is legal, medical or veterinary advice.