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Winged Insects Around Your Lights After Rain? Could Be Termites

By Protek Pest Services · October 18, 2026 · 4 min read

A winged termite on damp ground

A winged termite (alate) on damp ground.

The short version Termites often send out winged reproductives (swarmers) on warm, humid evenings after rain. Finding swarmers or piles of discarded wings indoors can mean a colony is nearby, sometimes in the building. Save a sample, take photos, and book an inspection to confirm.

Why they appear after rain

Termite colonies release winged reproductives, called alates or swarmers, to start new colonies. In many places this happens on warm, humid evenings after rain. The insects are drawn to lights, then shed their wings once they land. That's why wings on windowsills and near lights are such a common clue.

Termites or flying ants?

Winged termites and winged ants look alike at first glance. A few differences help:

What swarmers can mean

Swarmers outdoors suggest a colony nearby. Swarmers appearing indoors, or a pile of wings inside, can mean a colony is in or very close to the building. It doesn't prove damage, but it's a reason to get it checked.

What to do

Don't assume it's over when the swarm ends. A swarm lasts a short time, but the colony it came from is still there.

When you should call a pest control company

What happens at an inspection

A technician checks inside and outside the property, looks for signs of activity, works out where pests are getting in and what is attracting them, and explains what was found. You then get a clear recommendation. Protek Pest Services offers a free, no-obligation inspection across St. Kitts & Nevis.

Frequently asked questions

How long do swarms last?

Often a short time, sometimes only a few hours. The wings left behind are usually the clue that remains.

Do swarmers eat wood?

Swarmers themselves don't cause the damage. The workers in the colony do, which is why the colony matters more than the swarmers.

Should I spray the swarmers?

It might kill the ones you see, but it won't deal with the colony. An inspection is the better next step.

Seen termite swarmers?

Book a free inspection. We'll check whether there's a colony in or near your property.