6 signs of insect infestation that you should never ignore, say exterminators


As the weather warms up in the US in the summer, many people leave their windows open again and let in fresh air and the scent of spring flowers and freshly cut grass. Unfortunately, this always leads to a few uninvited guests coming into the house. However, the signs that your home is home to hundreds – or even thousands – of defects that can cause serious damage may not show up until too late. If you want to avoid costly exterminator fees and even more expensive repairs, read on to discover the signs of an insect infestation that you can’t ignore.

Shutterstock / Kazbek Chermit

It is not always bugs themselves that signal their presence in your home – in many cases, it is the animals hunting these insects that alert you of an infestation.

“If you spot woodpeckers pecking in your home, patio, or other structure, it may be a sign that you have carpenter bees,” says a board-certified entomologist Natasha Wright, Technical Director at Braman Termite & Pest Elimination of Southern New England.

Wright says people should look for perfectly round holes in their woodwork, which are tell-tale signs that carpenter bees have already invaded the woodwork in or around a house.

RELATED: Those Horrible Bugs You Forgot, May Be Coming Back Soon, Warn Exterminators.

Sawdust on the floor near the table legShutterstock / Fabrizio Misson

If your home hasn’t been construction recently but you can still find piles of sawdust in your space, you may be dealing with a carpenter ants infestation.

“Carpenter ants don’t actually eat wood; they dig it up to build their nests, which can cause a lot of structural damage to a house or building, ”says Wright.

“Unlike termite marks, these are piles [created by carpenter ants] are closely related to sawdust and are often found indoors, where termites leave a more muddy consistency and are traditionally found around you or in the crawl space, “explains Dan Rottler, Owner of Rottler Pest Solutions in St. Louis, Missouri.

Woman cannot sleepShutterstock

The good news? The rustling you hear in your walls at night isn’t necessarily a sign that you have a rodent problem. The bad news? This can indicate that you have a carpenter ants infestation.

“You can actually hear this species as a faint rustling behind your walls at work, especially at night when it is most active,” notes Wright.

She says if you knock on a piece of wood in your house and it sounds hollow, it could be another sign that carpenter ants have entered.

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Cleaning blood stains on sheetsShutterstock / Andrey_Popov

These stains on your bedding can be more than just an indication that you need to wash your bedding more often.

“One of the biggest tell-tale signs of bed bugs are blood stains on your sheets or pillowcases, or dark or rusty stains on your sheets or mattress, and on the walls near your bed,” says Bernhard Buttone, COO of Triangle Pest Control for Raleigh and Charlotte, North Carolina.

“If you see these signs, you are already dealing with an infestation, so it is time to act quickly.”

RELATED: 5 Things To Buy That Bring Bed Bugs Into Your Home, Experts Say.

Spider on tiled floorShutterstock / RHJPhtotoandilustration

If you see large numbers of spiders in your home you may think you have an arachnid infestation, but the real problem can be a lot worse.

“Having a lot of spiders in your household doesn’t mean you have a spider infestation,” says entomologist Nicholas Martin, PhD, founder of Pest Control Hacks in Oklahoma City, Oklahoma. “Logically, spiders don’t congregate in a place with no food, which means that a large number of them is a real sign that something else has infested your home.” While spiders commonly eat flies, moths, and mosquitoes, they’re also known to eat termites and cockroaches, so you may want to hire an exterminator to make sure you don’t have any major infestations on your hands.

Termite wing pileShutterstock / COCOKUNG

If you notice pairs of insect wings straying around your house, there are likely hundreds more where they came from – and there is no time to waste before calling an exterminator.

“After termites reproduce, they lose their wings, and the whole colony often tosses them into a reasonably neat cluster of wings,” says Eric Hoffer, President of Hoffer Pest Solutions for Southeast Florida. “When you see this pile, it means termites are very close, so you need to act quickly to limit or prevent damage.”

RELATED: If You See This Bug Get It Vacuumed Right Away, Experts Say.

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