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HomeAny CategoryLive InsectsPet InsectsScarlet Millipede (Trigoniulus corallinus)

Scarlet Millipede (Trigoniulus corallinus)

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About This Product

Important Note: All millipedes produce potentially dangerous and foul smelling fluids when they feel threatened. You should always wear gloves when interacting with your millipedes and be sure to thoroughly wash your hands.

Defining Characteristics:

  • Great beginner bug
  • Easy to care For
  • Likes to burrow
  • Medium sized
  • Interesting
  • Good in groups

This is an INDIVIDUAL (1) Scarlet Millipede!

Name: Trigoniulus corallinus is also sometimes called the rusty, red, or rusty red millipede. It's a small and hardy species, and really stands out in a vivarium.

Recommended Vivarium Size & Setup: Millipedes are easy to house. At minimum, you'll want the enclosure to be at least as wide as the animal's length, and at least twice as long. The more space provided, the better, as millipedes feed primarily on the substrate.

Plastic Critter Keepers or small aquaria work well—even plastic storage containers can be easily modified with some air holes and used as enclosures. The single most important thing about housing millipedes is their substrate. Substrate acts as a place for the millipede to dig, eat, hide, drink, and live in.

For a millipede, substrate = life. Substrates should consist of a mix of soil, wood, and leaves. We strongly recommend Josh's Frogs Milli Mix, as it's been formulated to provide your pet millipedes with a quality substrate. Bedding should be about 4-6 inches in depth, and kept moist at the bottom and allowed to very slightly dry out at the top.

Temperature (°F): 65-78° is a safe range. It's fine to keep your millipedes at room temperature. For most species, the low to mid 70s are ideal.

Supplemental heating in the form of a low wattage heat mat can be used if needed, but make sure that it doesn't dry out your millipede's habitat too quickly.

Humidity: Humidity is a very important aspect to millipede keeping. Millipedes will drink from standing water and can be provided with a small water bowl, but misting, providing a moist substrate, and providing fresh food will all help keep them hydrated as well.

Size: Scarlet millipedes are a smaller species, maxing out at around 3 inches. These millipedes will be at least 1.5-2 inches when shipped from Josh's Frogs.

Age: Millipedes can live for several years in captivity.

Feeding: Millipedes will primarily feed on their substrate—they love decomposing wood and leaves! This should make up the bulk of their diet, making it necessary to change out spent substrate (which appears as little dirt balls) with fresh substrate on a regular basis.

You'll also want to provide the occasional fresh fruit or leafy greens, or diets such as Repashy Bug Burger, which provides a much-needed source of calcium.

Make sure to remove food that becomes moldy. Offering a bit of food once a week or so (in addition to their substrate) is plenty.

Sexing: Millipedes are much easier to sex than you may think. Count to the 7th body segment back from the head. If the legs look shorter/odd, you probably have a male on your hands! Males have external gonads (sex organs) instead of legs on their 7th segment.

Social Behavior: Millipedes do fine when housed in groups. They are not aggressive towards each other—just make sure to provide plenty of substrate, food, and hiding places.

This particular species is known to be aggressive towards other millipede species and should only be housed with other scarlets.

Breeding: Millipedes will breed readily in well set up colonies or enclosures. Just leave a male and a female together, and chances are you'll eventually find baby millipedes crawling around in the substrate.

Leave the offspring in with their parents—you don't need to be concerned about cannibalism.

Color/Pattern: This species is a deep red color.

Natural Range: Scarlet Millipedes are native to southeast-Asia, but have become naturalized in Florida.

Interesting Information: 

  • Remember that millipedes are toxic—never allow young children to handle them unsupervised! As long as millipedes are not eaten and hands are washed after touching millipedes, they're virtually harmless.
  • Many species will spit up a bit if startled—this can easily dye your skin and take several days to fade.
  • Millipedes also commonly host symbiotic mites that help keep the millipede clean. These mites live on the millipede and eat waste or bits of food that can become caught in the millipede's legs. These mites are harmless, so do not be concerned if you see some!

Still not sure if Scarlet Millipedes from Josh's Frogs are the right pet invertebrate for you? Read the reviews below and see what other customers are saying!


This product ships to your doorstep. Most orders placed before 2pm ET on business days will ship out the same day.

Import/export restrictions on this product require that it can only be shipped to destinations within the United States.

Restrictions on this product that prohibit shipping to the following states: HI.

Live Arrival Guarantee

This product is covered under our Live Arrival Guarantee. If your insect/animal does not arrive in good health, we'll make it right, provided the following criteria are met:

  • If shipped Two Day, the temperature experienced during shipping must remain between -20 and 120 °F.
  • If shipped Ground, the temperature experienced during shipping must remain between 20 and 85 °F.

You'll be notified during the checkout process if your purchase qualifies for our guarantee.

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