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They don’t leave much of a trail, so you often have to see them to get rid of them. But if you come across one, there are numerous natural remedies for centipedes, along with using chemicals. While creepy, centipedes pose little danger to people or a home. Sprays or dusts should be applied to sites where centipedes are suspected such as cracks and crevices in concrete slabs, block walls, etc. House centipedes do not survive winters outdoors in Pennsylvania, but readily reproduce in heated structures.
Seal cracks and openings
So while getting rid of them might be good in the short term, you might want to think twice about whether or not you should kill centipedes. All centipedes have very poor eyesight and track their prey through the use of touch and smell. In actuality, arthropods commonly known as wood eating centipedes are millipedes.
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A large house centipede population may indicate an underlying pest problem. Photograph by mourad-harzallah via iNaturalist, used under a CC BY 4.0 license. Over the years, our website, whatsthatbug.com has received hundreds of letters and some interesting images asking us about these insects. Depending on the size and species, some centipedes may hunt small animals like lizards, snakes, birds, and frogs.
Pesticides
Seal up any cracks or crevices where house centipedes may be sneaking in, and caulk all baseboards and door and window casings. Clear any leaf litter or wood debris from around the perimeter of your home, especially if it’s damp. A combination of all of these measures is likely to reduce any centipede population you have.
Outdoors, house centipedes prefer to live in cool, damp places. Centipede respiratory systems do not provide any mechanism for shutting the spiracles, and that is why they need an environment that protects them from dehydration and excessive cold. Most live outside, primarily under large rocks, piles of wood or leaves, in barkdust and especially in compost piles. They often emerge from hiding during the watering of gardens or flowerbeds. These centipedes can be found in almost any part of the house, although they are usually encountered in dark or dimly lit areas such as basements and garages.
House centipedes, although they may look frightening, are generally considered to be harmless to humans. They have the ability to bite, but it is quite rare and usually happens only when they feel threatened. In most cases, their bites cause mild pain and swelling similar to a bee sting. People who are sensitive or allergic might experience more severe reactions. While centipedes do have venom and will poison their prey, they typically will only be aggressive towards something they can actually eat.
Clean up damp areas

Newly hatched larvae (which are rarely seen) have four pair of legs. During the next five larval molts, the centipedes will have 5, 7, 9, 11 and 13 pairs of legs (Figure 2). On the next molt the centipede is considered an adolescent and will have 15 legs during each of the next four molts, after which it becomes an adult. Although you may not like the sight of house centipedes, they can be helpful in controlling more concerning pests.
House centipedes are native to the Mediterranean region but were accidentally introduced into the southern United States. They were first recorded in Pennsylvania in 1849 and are now widespread throughout the country and the world.
This powdered substance made from crushed insect exoskeletons is a very effective remedy for all kinds of indoor pests. The microscopic jagged edges of the powder pierce the body of the house centipedes and also dry out the fat and oils contained inside, slowly killing them. Sprinkle liberally around cracks, door thresholds, and in corners, especially in damp areas. Still, house centipedes are basically harmless to humans, and they're effective predators of other insect nuisances, including roaches, flies, silverfish, and termites. So, if you can learn to not be terrified of them, you should let them do their thing.
House centipedes are common household insects known for their many legs that help them scurry past you in the blink of an eye. Although house centipedes don’t pose a threat to humans and don’t typically harm infrastructure, seeing them in your home can be alarming. House centipedes are an all-natural form of pest control. They eat a wide variety of pesky bugs, including flies, ants, moths, silverfish, spiders, and cockroaches. The average female house centipede can lay between 60 and 150 eggs at a time.
They have as few as four pairs of legs when they are hatched. They live anywhere from 3 to 7 years, depending on the environment. Coleoptrata showed the ability to distinguish between possible prey, avoiding dangerous insects. They also adapted their feeding pattern to the type of hazard the prey might pose to them. For wasps, they retreat after applying the venom to give it time to take effect.[8] When the centipede is in danger of becoming prey itself, it can detach any legs that have become trapped. House centipedes have been observed to groom their legs by curling around and grooming them with their forcipules.
So, for every centipede you see, there could be 100 more lurking elsewhere. Fortunately, because they’re nocturnal, you’ll rarely see them. As a predator to common household pests such as spiders, termites, cockroaches and silverfish, centipedes are great as their own form of pest control.
Put out sticky traps to catch the bugs centipedes are eating, then eradicate that food source with your favorite conventional or natural pesticide and the house centipedes will go elsewhere, too. Centipedes are also partial to moisture, so investigate to ensure there are no leaky pipes or appliances that need repair. If you discover no such problems, adding a dehumidifier to dry out moist areas like a basement may send the house centipedes packing. If you’re someone who can’t stand the sight of worms or cockroaches, or if you have arachnophobia, chances are you won’t appreciate having house centipedes around you, either.
I've always been passionate about animals which led me to a career in training and behaviour. As an animal professional I'm committed to improving relationships between people and animals to bring them more happiness. Read and follow directions and safety precautions on labels. Handle carefully and store in original labeled containers out of the reach of children, pets, and livestock. Dispose of empty containers right away, in a safe manner and place.
Centipedes are found in areas of high moisture, such as loose bark, in rotting logs, under stones, in trash or piles of leaves and grass. When they invade homes, centipedes are most commonly found in damp basements, crawlspaces, bathrooms or potted plants. Choose the method that best suits your specific situation to achieve a centipede-free home.
These carnivorous bugs eat other bugs, but mostly they just hide in dark crevices until they decide to scurry out and startle you. They like damp dark places, and tend to be more active at night, though if you disturb one of their hiding or resting places, you may see them scuttling about during the day. You may find them under your sink or in the bathtub occasionally, as those spots combine the damp and dark conditions they love so much. They tend to be fairly dormant in the winter (they prefer temperate climates) and begin to be more active in spring. Once temperatures begin to get colder in autumn they may want to find an indoor hiding place. In an act of defence, when one of the house centipedes legs is held down, it drops that leg in hopes that the attacker will be distracted by the temporarily twitching appendage.
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