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New Brunswick Pest Control Local Pest Control · New Brunswick, NJ

Spring Termite Swarms in New Brunswick: What They Mean and What to Do

A cloud of winged insects at the window is the one termite sign you cannot ignore. Here is how to read it.

A swarm means an established colony

Eastern subterranean termites swarm in spring, sending out winged reproductives to start new colonies. If you see them indoors, near a sunny window, a door frame, or a basement light, it almost always means a mature colony is already active in or near your home, not that termites just arrived.

New Brunswick's damp Raritan Valley soil and older wood framing make the city a reliable spot for these spring swarms.

Termite or flying ant?

It is easy to confuse the two. Termite swarmers have straight, bead-like antennae, a thick waist, and four wings of equal length. Flying ants have bent antennae, a pinched waist, and front wings longer than the back. If you find discarded wings of equal size on a sill, that points to termites.

When in doubt, save a few in a bag and let a local exterminator identify them, it changes the treatment.

The next step

Do not disturb the area or spray it, that can scatter the colony and make treatment harder. Instead, book an inspection. A local pro confirms the activity, maps the entry, and sets a soil-barrier or bait treatment. See termite control for the full approach, or call us.


Have this problem in New Brunswick? Call us at (732) 479-9382 and get connected with a local exterminator.

Good to know

Quick answers

Should I be worried about one termite swarm?

Yes, it is worth taking seriously. A swarm indoors signals an established colony nearby. The damage is slow but continuous, so an inspection now is far cheaper than waiting for structural repairs later.

New Brunswick & Middlesex County, NJ

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