Ants vs. termites: how to tell the difference

Both swarm in spring, both have wings, and both show up on your windowsill. Three body parts tell you which one you are looking at in about five seconds.

Every March and April our phones light up with the same call. Somebody found a pile of winged insects on a windowsill and wants to know if the house is falling down. Most of the time it is ants. Sometimes it is not. Here is how to tell without a magnifying glass.

Look at the waist first

An ant has a pinched waist, like a tiny hourglass. A termite has no waist at all. Its body runs straight from the head to the back end in one soft tube. If you can see a nipped-in middle, you are looking at an ant.

Then look at the antennae

Ant antennae bend. They come off the head, run out a bit, and elbow at a sharp angle. Termite antennae are straight and beaded, like a string of tiny pearls. This one is easy to see on a windowsill even with the insect dead.

Then look at the wings

Both swarm with four wings, but the shape gives it away.

• Ants: front wings clearly longer than back wings
• Termites: all four wings the same length, and much longer than the body
• Termite wings snap off easily, so you often find a pile of loose wings with no insects nearby

That pile of shed wings by a sliding door is one of the more reliable termite signs, and it is usually what makes people call.

What each one means for your house

Ants are a nuisance and a sanitation issue. They follow moisture and sugar, they trail along the slab edge, and they get into pantries. Argentine ants in particular build huge connected colonies across a whole block, which is why treating only inside your kitchen never holds.

Termites eat structural wood. That is a different category of problem and it needs a licensed termite company with wood-destroying organism certification.

Where TruBug fits

We handle ants all day long. Argentine, odorous house, pavement, carpenter ants foraging indoors, the whole Valley lineup. Our recurring service treats the perimeter, the eaves, and the entry points so the trail never reaches your kitchen in the first place.

We do not treat termites. If what you found has a straight waist, straight antennae, and four matching wings, we will tell you honestly and point you toward a termite specialist rather than sell you a service that will not fix it.

Quick field test

Put one of the bugs on a white index card and take a phone photo with the flash on. Zoom in. Waist, antennae, wings. If you are still unsure, text us the photo and we will identify it for you at no charge.