White ants in Queensland: the species that matter and what to do
Queensland is some of the most active termite country in Australia. The sensible response is regular inspection, not a tin of spray.
Why Queensland is a high pressure state
Warm weather, plenty of rain and a long active season suit termites. Colonies that slow down in the south keep foraging for much more of the year in Queensland. Most of the state is a place where termites are already present, so the question is whether your house has a barrier and an inspection routine.
The Queensland Building and Construction Commission treats termite management as a normal part of owning a home here. Many homes have a management system built in at construction, and that system still needs checking.
The species behind most house damage
Coptotermes
The leading cause of structural damage in Australian homes. Coptotermes colonies are large and can nest in a tree, a stump or inside a wall, then forage outward through soil. Read more at Coptotermes termites.
Mastotermes
Found in tropical northern Australia, including northern Queensland. Its reputation is for broad feeding and large colonies, and for attacking more than timber. It is a regional problem, not a statewide one.
Nasutitermes and others
Mounds and dark nests on tree trunks usually belong to Nasutitermes. These tend to prefer weathered or damp wood, but fences, decks and damp framing are not safe from them.
You cannot name the species from a photo or a description. It takes soldiers under a lens, and the answer changes the treatment. Leave identification to the inspector.
What signs to look for
- Mud tubes on walls, piers, slab edges or in the subfloor.
- Timber that sounds hollow when tapped, or that gives under a screwdriver.
- Discarded wings near windows or lights after a warm, humid evening.
- Doors and windows that start to stick for no clear reason.
The full list is at termite signs. Finding one of these is a reason to call an inspector, not to start poking.
Do not spray, do not break the tubes
This is the point that matters most. A supermarket spray or a scraped mud tube disturbs the colony. It tends to abandon that route and come back in somewhere you cannot see, so the damage continues out of sight.
It also destroys the evidence the inspector reads, and it can undo the way non-repellent products and baits work. Leave it exactly as found and book a licensed timber pest inspection.
What a Queensland homeowner can sensibly do
Keep soil, mulch and garden beds clear of the slab edge and cladding. Fix leaks and drainage near the house, and store timber off the ground. A tidy perimeter makes the inspector's job easier and removes some of the conditions termites like.
Arrange regular inspections to AS 4349.3 and ask whether your barrier needs a recheck. Any treatment is for a licensed pest management technician using APVMA registered products. This site does not recommend a brand or a product.
Frequently asked questions
Are there more termites in Queensland?
Conditions are favourable for much of the year, so termite pressure is high across most of the state. That is a reason to inspect regularly, not a sign that every house is infested.
Which termite does the most damage in Queensland?
Coptotermes is the main cause of structural damage in Australian homes generally. Mastotermes occurs in the tropical north. Species can only be confirmed by an inspector.
Can I treat white ants myself?
No. Spraying or breaking mud tubes makes the colony retreat and return hidden. Treatment is for a licensed pest management technician using APVMA registered products.
Sources
What this page explains is based on these official sources. If you check one and it does not match what you read here, send it to us and the article gets corrected.
- Department of Health, Victoria. Pest control - termites
- Queensland Building and Construction Commission. Protect against termites - termite management systems and inspections
- Standards Australia. Australian Standards (AS 3660 termite management, AS 4349.3 timber pest inspection)