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Everything You Need to Know About Millipedes
Family: Varies by species
Scientific Order: Diplopoda
Group Name: Army or cluster
Diet: Detritivores
Life Span: 1–10 years
Color: Brown, black, reddish, or occasionally pale, depending on the species
Size: 0.1 to 12 inches
Species: Over 12,000 worldwide
Have a millipede problem that needs fixing?
Welcome to Fox Pest Control’s ultimate guide on Millipedes! Whether you’re seeing these slow-moving critters around your home or just want to learn more about them, you’re in the right place. From fascinating facts and behaviors to Millipede treatment options, we’ve got everything you need to know. Let’s roll into it!

Millipedes are arthropods, meaning they have an exoskeleton, jointed legs, and segmented bodies. Their name comes from the Latin words mille (thousand) and pes (foot), though no millipede actually has a thousand legs. The most legs ever recorded on a millipede is 1,306!
Millipedes are fascinating little creatures with segmented, tube-shaped bodies. Most millipedes are dark brown or black, but some species have bright patterns in orange, red, or yellow—nature’s way of warning predators they might taste bad or be toxic!

Remember how we mentioned that, despite their name meaning “thousand feet,” no millipede actually lives up to that number? Most have between 30 and 400 legs, depending on the species. They have two pairs of legs per body segment, which helps them move in a smooth, wave-like motion. Fun fact: if you see one “running” (as fast as a millipede can), it’s usually trying to escape danger, not headed for a workout.
Quirky tidbit: when millipedes feel threatened, they curl up into tight spirals, like little cinnamon rolls (though definitely less tasty!). Some species also release a stinky liquid or chemical spray to fend off predators. You wouldn’t want to eat one, and apparently, neither do most animals!
Millipedes are gentle, slow movers and are totally harmless to humans, even if they might startle you by showing up in big numbers during rainy seasons. Their shy, laid-back vibe makes them kind of the chill hermits of the bug world.
Some millipedes are like nature’s glow-in-the-dark party guests! These special millipedes can glow thanks to something called bioluminescence. Basically, they can light up in the dark with a cool, greenish-blue glow, thanks to special chemicals in their bodies.
So, why are they glowing? Well, it’s their way of saying, “Back off, I’m not your snack!” The glow is a warning sign to predators that these millipedes might be toxic or taste bad. It’s like a built-in flashlight to tell animals, “I’m not worth the trouble!” Instead of running away fast, these glowing millipedes rely on their natural light show to stay safe.
But not all millipedes glow—just a few lucky species, mostly found in tropical areas, get to show off this cool trick. So, if you ever see a millipede lighting up like a tiny torch, know that it’s doing its part to shine a little light on the wonders of nature!

Millipedes are true ancient survivors—they’ve been crawling around on Earth for over 400 million years! That makes them some of the oldest land-dwelling animals. Fossil evidence shows they were among the first creatures to transition from water to land during the Silurian period.
In fact, some prehistoric millipedes were absolute giants! The extinct species Arthropleura could grow up to 8 feet long, making it the largest known land invertebrate of all time. Imagine stumbling upon that in your garden!
Their long history is a testament to how well-adapted they are to their environment, quietly playing their part in nature’s recycling team for hundreds of millions of years.
Millipedes are pretty chill when it comes to causing trouble. They won’t bite you—those little jaws are made for munching on decaying plant material, not for taking a bite out of humans or pets. And as for stinging? Nope, no stingers here! Some millipedes might squirt out a stinky, oily liquid when they feel threatened, but it’s harmless—just a little gross and easy to wash off.
When it comes to your home, millipedes are no threat either. Unlike termites or carpenter ants, they won’t chew through wood or eat up your house. They stick to snacking on dead leaves and rotting plants, which actually helps keep your garden and soil nice and healthy.
Even better, millipedes don’t spread diseases, so you don’t have to worry about them causing any harm. They might surprise you if you find one hanging out inside, but don’t stress—they’re just harmless little recyclers doing their thing!
The lifecycle of a millipede is like a slow-motion adventure that spans several years! Let’s break it down:
It all starts with eggs. A female millipede lays hundreds of tiny eggs in the soil, usually in a moist, cozy spot. These eggs hatch into little juveniles, and they look a lot like mini versions of adult millipedes, except they don’t have many legs at first. They start off with just a few pairs, but don’t worry—they’ll grow more as they get older!
As the juvenile millipedes grow, they go through a series of molts, shedding their old exoskeleton and growing a new one. Each time they molt, they add a few more pairs of legs. By the time they’re fully grown, they could have anywhere from 30 to 400 legs, depending on the species.
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Millipedes can live for several years, with some species hanging around for up to 7 years! During that time, they go about their business of eating dead plants and enriching the soil. As they grow and molt, they continue to live a pretty quiet life, avoiding predators and hanging out in damp, dark places.
When they’re ready to reproduce, adult millipedes get busy laying eggs, and the whole cycle starts over again! It’s a slow and steady race for millipedes, but they’ve been doing it for hundreds of millions of years, so they’re obviously doing something right!

Millipedes can vary in size depending on the species, but most are around 1 to 4 inches long. However, there are some pretty impressive giants out there! The largest millipedes can grow up to 12 inches long—that’s a foot-long millipede! These big guys are mostly found in tropical regions, and while they look intimidating, they’re totally harmless.
The giant millipedes, like the African giant millipede, are known for their impressive size and unique appearance with their many legs and segmented bodies. Imagine seeing one of those slinking through the forest floor—it’s like nature’s own little dinosaur (minus the sharp teeth)!
So, while most millipedes are small enough to not even be noticed, some species can really take your breath away with their size!
People often mistake millipedes for a few other critters, mainly because of their similar long, segmented bodies and numerous legs. Here are a few insects people sometimes confuse them with:

While they might look alike, a closer look will usually reveal the differences, especially when it comes to their behavior and legs!
Millipedes thrive in moist environments like forests, gardens, and under rocks or logs. Some species even thrive in the desert, burrowing underground to escape the heat.
Millipedes are nature’s recyclers! They’re detritivores, which means their favorite food is decaying plant material like dead leaves, wood, and other organic matter. It’s like they’re the ultimate cleanup crew, munching away at things that would otherwise pile up and rot. Their burrowing also helps aerate the soil, allowing air and water to reach plant roots, which keeps the soil healthy and less compacted. And guess what? Millipedes are also a tasty snack for birds, small mammals, and even reptiles. So, they help out as an important part of the food chain, too!

Millipedes are nocturnal creatures, meaning they’re most active at night when it’s cool and moist. During the day, they like to hide in damp spots like under logs or deep in the soil to stay cool and safe from predators. With their soft bodies and exoskeletons, millipedes need moisture to stay hydrated and healthy—without it, they’d dry out and get fragile. So, they do best in moist environments, whether it’s a forest or even the desert (as long as they can burrow deep underground!).
If you ever spot a millipede, it’s probably after dark, when they’re out and about doing their thing—snacking away to keep the soil rich and healthy, and playing an important role in nature’s ecosystem. They may not get a lot of fame, but millipedes are definitely working hard behind the scenes to make sure the world keeps turning!
Have a millipede problem that needs fixing?
It’s not super common, but millipedes can occasionally find their way into homes, especially if the conditions are right. They’re more likely to wander indoors when the weather gets really wet, humid, or cool, as they’re seeking shelter from the elements or looking for food. Your home’s basement, crawl spaces, bathrooms, or any damp, dark places with high humidity are the most likely spots to find them.

Since millipedes love moist environments, they’re also drawn to places with plumbing leaks or areas with poor ventilation, where they can find a cool, damp environment to hang out in. If you have a lot of decaying organic matter like leaves or mulch near your home’s foundation, that can attract millipedes, too.
If you’ve noticed millipedes inside your home, here are a few telltale signs that they might be settling in:
If you’re looking to keep millipedes outside where they belong, here are some helpful prevention tips:
By staying on top of these simple maintenance steps, you can help to keep your home millipede-free and cozy for you, not for these little recyclers!
If millipedes are making themselves at home in your house, it’s time to take action! While these critters are harmless, you probably don’t want them crawling around your home. Luckily, with a little help from Fox Pest Control, you can keep them where they belong—outside. We offer customized treatments to address the root of the problem, giving you the best control of unwanted pests.
With our Home Protection Plan, you’ll get year-round protection from millipedes and many other common household pests. Our trained technicians will help you spot entry points, unsealed areas, and potential issues causing the infestation. We’ve got the expertise to make your home comfortable.
Contact us today for a free estimate and let us help you reclaim your space!
Have a millipede problem that needs fixing?
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