100 Leg Bug: What Is It?

Hey there! Some links on this page are affiliate links which means that, if you choose to make a purchase, I may earn a small commission at no extra cost to you. I greatly appreciate your support!

The 100 leg bug is a creature that many people are afraid of, but don’t know what it is. This article will tell you everything you need to know about the 100 leg bug, from what it looks like to where it lives.

What is the 100 leg bug exactly?

100 leg bug

The 100 leg bug is a common name for centipedes. A type of arthropod, centipedes have jointed legs and an exoskeleton. They normally only consume little insects and are harmless to people. However, these bugs can be a nuisance if they invade your home.

In addition, centipedes have a number of interesting features. They have multiple pairs of legs and two pairs of antennae. Their head is at the front of their body, while their thorax is located at the back.

These bugs are invertebrates that belong to the class Chilopoda, which means “centipede.” There are over 1,500 species of centipedes found all around the world, most living in forests or wet environments such as marshes and swamps.

The 100-leg bug is also known as the thousand leggers. This name comes from the many legs this bug has, which can be up to 100. 100 leg bugs are often found in moist environments such as basements, crawl spaces, and bathrooms.

Unfortunately, they are also common in homes. While these bugs are not dangerous, they can be a nuisance. They feed on other insects as part of their diet. So, if you have an infestation, you may want to call a professional exterminator.

100 leg bugs (centipedes) vs. millipedes: What’s the difference?

These names have been tossed around in colloquial speak quite often. But how exactly are 100 leg bugs different from millipedes? Let’s find out.

100 leg bugs or Scutigera coleoptrata

House centipedes, also known as centipedes or Scutigera coleoptrata, are common household pests. The centipedes get their name from the fact that they have around 100 legs.

However, the odd thing is that no house centipede has an even number of leg sets. In fact, they can have about 59 to 709 legs.

They range in color from light yellow to dark brown and can grow up to 4 inches long. They are most active after the sun sets and feed on other insects.

They are nocturnal and prefer the dark, which can make them live in your home for some time before you spot them. The good news is that they are not harmful to humans and can be eliminated relatively easily.

In addition, centipedes can be a pretty prolific insect. They lay eggs that can last for one year or more, and they often stick around for quite some time after they hatch.


1000 leg bugs

Millipedes and centipedes are two different types of arthropods. Millipedes have more legs than centipedes, and they both move differently. Centipedes are fast and agile, while millipedes are slow and cool.

Generally, millipedes are not considered to be pests, but they can become a nuisance if they invade your home in large numbers. There are a variety of ways to get rid of millipedes if they become a problem in your home.

In nature, millipedes can be found living in damp places such as under rocks and inside rotting logs. They eat decomposing plants and leaves. Millipedes are not typically harmful to humans, but they can become a nuisance if they invade your home.

Interestingly, millipedes have a foul-smelling secretion which is actually a warning to avoid them. The secretion smells so bad that it can sometimes linger in your house for days.

If you are unfortunate enough to have millipedes in your home, there are some things you can do to get rid of them.

Is the 100 leg bug/ Thousand legger/ the centipede harmful to humans?

In truth, the 100-leg bug or centipede is actually beneficial to humans because it preys on other harmful pests. This includes bed bugs, silverfish, firebrats, carpet beetle larvae, cockroaches, spiders, and other small arthropods.

The centipede that is commonly seen in houses is not harmful to humans, pets, or the environment. It feeds on other insects and will help to get rid of other pests in the home.

The good news is that the 100-leg bug, or centipede, is harmless to humans. They don’t bite or sting, and they don’t spread disease. But, they have noxious odors, so most people are naturally repelled by them.

Consequently, homeowners should be happy if they see a centipede in their home because it means that the centipede is doing its job and keeping the house free of harmful pests.

What aspects of your house attract 100 leg bugs or house centipedes?

One of the best ways to keep 100 leg bugs or house centipedes out of your home is to ensure that it is dry and well-ventilated. These pests prefer moist environments, so keeping your home in good condition will help discourage them from taking up residence.

Additionally, regular cleaning and decluttering will also help to reduce the likelihood of these bugs invading your space.

Centipedes love moist environments and will generally be found in the basements, crawl spaces, and bathrooms of a home. However, they can also enter through cracks around windows or doorways.

100 leg bugs are usually brought into the house unintentionally on firewood or plants. Centipedes are also attracted to light sources, so they may be found near windows or doors. Once inside, centipedes can be difficult to get rid of as they quickly hide in tight places.

How can you keep 100 leg bugs out of your house?

100 leg bugs are attracted to moisture

There are basic principles that you can utilize to keep 100 leg bugs out of your house. And for your convenience, I have listed some of them here for you!

Dry out the damp crawling spaces in your house.

One way to help get rid of centipedes is to dry out the damp crawling spaces in your house. This can be done by cleaning the gutters and downspouts and making sure the soil around your home slopes away from the foundation.

Finally, if you’re still seeing centipedes after trying all of these tips, it’s likely that you have a moisture or humidity problem in your home.

To fix this, you’ll need to dry out the damp crawling spaces in your house. You can do this by using a fan to circulate air, opening windows and doors to increase ventilation, and using a dehumidifier to soak up the water.

Seal cracks and spaces in your house.

Centipedes often enter homes through cracks and spaces in the foundation, walls, or around doors and windows.

Sealing up these areas can help to reduce the number of centipedes in your home. Additionally, you can use a vacuum cleaner to remove them from your house if they are already there.

Sealing up cracks and spaces in your house is an effective way to keep centipedes out of your home. By using an all-weather caulk, you can fill in any opening that may be inviting these bugs inside.

Use insecticides and traps for 100 leg bugs or centipedes.

There are a variety of ways to kill centipedes and 100 leg bugs. One popular method is using insecticides. Insecticides can be purchased at most stores, or you can make your own.

Another option is using traps. There are many different types of centipede traps available, so you should be able to find one that fits your needs. Finally, you can also try natural methods like cinnamon or diatomaceous earth.

There are two types of insecticides: outdoor and indoor. Outdoor insecticides can be used to treat the areas around your house where the centipedes might be living.

Indoor insecticides should only be used if there is an infestation inside your home, and it is important that you follow the instructions on the product carefully to avoid any harmful effects.

Insecticides are one of the best and most effective ways to get rid of centipedes in your home. However, it is important that you take the necessary precautions when using them and read the instructions carefully.

Dusts are particularly effective against centipedes, but be sure to keep them away from children and pets.

Use a pest control professional to prevent 100 leg bugs in your house.

If you are finding 100 leg bugs in your home, despite your best efforts to get rid of them, it may be time to call in a professional pest control service.

These services have the tools and knowledge necessary to identify the source of the infestation and take steps to eliminate it.

Pest control professionals make use of a variety of products and techniques to get rid of pests. Some of these products are not available to the general public, making pest control professionals very effective against specific insects.

For example, professional pest control might use a thermal fogger to treat an area for spiders.

What do 100 leg bugs or centipedes use their legs for?

House centipedes are one of the most common types of centipedes. They get their name from the fact that they can have up to 100 legs.

These centipedes are active hunters and use their legs to chase down prey. Their venom is potent and can be used to kill smaller insects such as silverfish and termites.

100 leg bugs or centipedes are fascinating creatures that have many interesting features. One of these is their use of legs. They not only use them for movement but also to “lasso” prey or beat it into submission. This allows them to survive in a wide variety of habitats.

Are 100 leg bugs dangerous for humans?

No, 100 leg bugs are not dangerous for humans

House centipedes are not typically considered to be dangerous to humans and will usually run away if scared. If bitten, most people will have a red bump and may not feel any effects from the bite.

Furthermore, centipedes are only likely to bite you if you do something to provoke them, like picking it up in your hands. These bugs typically store their venom and only use it while hunting for prey.

If, however, you have an allergy to venom, then you might experience serious symptoms. In such cases, it is best to consult a doctor and get the bite treated.

How can you get rid of 100 leg bugs in your house?

Centipedes are often found in areas that are moist and humid, such as the bathroom or kitchen. The best way to prevent a 100 leg bug infestation is to reduce the amount of moisture in these areas.

You can also use a variety of methods to get rid of centipedes if they have already invaded your home.

If you do happen to find a centipede in your home, the best DIY way to get rid of it is to vacuum it up. Make sure to dispose of the bag or canister immediately so the centipede cannot escape.

You can also get rid of 100 leg bugs in your house by using a product that is safe for both pets and the environment.

The product is made of all-natural ingredients and does not have any harmful side effects, so you can rest assured that your family and pets are protected.

Nevertheless, if you are seeing a lot of centipedes in your house and would like to get rid of them, there are some things you can do yourself. However, it is important to note that if you suspect an infestation, you should contact a licensed pest professional.


It is safe to say that 100-leg bug is essentially a colloquialism for centipedes. However, bear in mind that there are other arthropods that are also referred to as 100 leggers because of their resemblance to centipedes and the fact that they, too, have many pairs of legs!

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.