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How long do millipedes stay around?

Author

William Rodriguez

Published Jan 20, 2026

Individuals may live for several years. Millipedes are attracted to dark, cool, moist environments that are rich in organic matter such as compost piles, heavily mulched shrub or flower beds (Figure 3), rotting logs, or the soil under logs and stones.

Will millipedes eventually go away?

Most millipedes that do wander into your house eventually die from lack of moisture. But in basements with plenty of moisture, millipedes can survive for longer periods of time.

How long do millipedes last for?

In the right situation, a millipede can live 5-7 years. The best way to keep millipedes out of your house is to stop them from getting in. Seal any cracks and/or crevices in the foundation, around wiring, and plumbing where millipedes, or other pests, could enter.

What kills millipedes instantly?

Spread diatomaceous earth or boric acid in the soil around your yard. Purchase either of these powders from garden centers and sprinkle it into the soil where the millipedes are congregating. Both products will make microscopic cuts that dehydrate and kill the millipedes.

What causes a millipede infestation?

Excess rain, drought, and cooler temperatures can make their outdoor habitats less favorable for them and you will often see millipedes in the house during these conditions. Excess rain will drive them indoors in search of shelter and drought will drive them indoors in search of water.

17 related questions found

What kills millipedes outside?

Diatomaceous Earth (DE)

Diatomaceous earth is a crystalline powder substance that can be used for a variety of pests. The crystals in this natural product pierce the hard exoskeletons of pests, causing micropunctures all over their bodies. This then dehydrates and slowly kills the pests over time.

Do millipedes lay eggs in houses?

They naturally lay eggs outdoors in the moist soil or other foliage and don't reproduce inside households. Millipedes lay their eggs in soil or other decaying organic matter. This means that millipedes don't lay eggs in houses unless you have houseplants.

How do you find a millipede nest?

In most cases, you will find them along one side or wall of your home. If you notice that pattern, look around this side of the property. Inspect nearby mulch, compost piles, wood piles, large rocks, pine straw, around sheds, cracks in cement walkways or driveways and stoops.

Can millipedes hurt you?

To date, there are over 12,000 known living species of millipedes worldwide. None of these are documented to be poisonous to humans. A millipede also won't bite you, but the toxins of some species can cause skin symptoms when you handle them.

Do millipedes come back every year?

While there is no set millipede season, they do go on mass migrations twice per year – once in the spring and once in the fall. These usually occur on warm, humid nights where they will emerge by the hundreds. Millipedes are outdoor pests so finding them inside your home means they have wandered in by mistake.

Do millipedes come out at night?

Millipedes are most active at night. They wander out from their damp hiding places and roam aimlessly, often covering large distances with their slow, steady crawl.

How do you stop millipedes from coming into your house?

Repair leaky faucets, water pipes, and air conditioning units. Avoid overwatering your lawn and dethatch if needed. (Millipedes will also live in the thick, moist thatch layer of a poorly maintained lawn.) Seal and caulk cracks and other openings in your foundation wall, and apply door sweeps to exterior doors.

How long do millipedes live in a house?

Millipedes do not survive indoors for more than a few days (more likely just a few hours) unless they can find suitable moist conditions. Figure 3.

What are millipedes good for?

In fact, they can be beneficial in your compost pile as they help to break down the contents. They can cause damage to your garden by destroying seedlings or feeding on vegetables; however, there is no need to eliminate them unless they are causing damage to your plants.

What can millipedes do to you?

They won't bite you, but they can emit a smelly fluid that might irritate your eyes or skin. Though they're not harmful to your family, they can be a nuisance in large numbers. Here are more millipede facts to help you better understand these many-legged creatures.

What does it mean when you find a millipede in your house?

If you're seeing millipedes in your home, it means that the conditions outside have driven them in. This might be extended drought conditions that have made it too dry outside. It might be an oversaturation of the soil around your home caused by heavy rain. It might be due to a dropping of the temperature outside.

Are millipedes attracted to light?

Millipedes are attracted to light inside of your home, and will try to enter if they see an open crack or crevasse. Caulk and seal any open window and door frames to prevent millipedes from coming inside.

Do millipedes eat carpet?

Many millipede species secrete foul smelling and sometimes irritating chemicals to deter predators. These secretions can also damage items of the home, especially fabrics and carpets. Portuguese Millipedes are usually active during Spring and Autumn and are most prevalent after drought-breaking rains.

Do I need to worry about millipedes?

Millipedes breathe through holes in their bodies called spiracles, which they cannot close, and they lose water through their spiracles and die in drier environments like your home. This also means they can't lay eggs in your home, so no need to worry about a true infestation even if you see a lot of these.

How fast do millipedes grow?

The millipede will dig itself into a chamber in the soil when it is ready to molt and will emerge with more body segments each time. On average, millipedes will reach their full size in two to five years. The speed of growth and the number of segments added with each molt varies from species to species.

How can we stop pooran at home?

Light a few balls of camphor in the house for 15-20 minutes. Eucalyptus oil is useful in repelling flies. Pour a few drops of it on a cotton cloth, and place it in the areas where flies are in excess. Bay leaves, cloves and eucalyptus hung at doors or windows also repel flies.

Where do millipedes come from?

Millipedes are found outdoors in situations where moisture and decaying organic matter, such as under trash, grass clippings, mulch, rotting firewood, leaf litter, etc. Their diet consists of damp and decaying wood and plant materials.

What is the difference between a centipede and millipede?

Here are a few tips to spot the differences: Millipedes have two sets of legs per segment positioned directly under their body. Centipedes have one set of legs per segment positioned on the side of their body. Centipedes mostly eat insects after killing them with their venom.