The impossible claim

House centipedes aren’t invading your home — they’re hunting the pests already living in it, and they came in through a crack, not your drain.

The verified facts

The house centipede (Scutigera coleoptrata) is the fastest, strangest housemate you’ll ever spot darting across the bathroom floor — and extension entomologists say the sudden-appearance panic is mostly misplaced:

  • Why “all of a sudden”: damp, dark hiding spots + prey. They favor basements, bathrooms, and crawl spaces — repeated sightings mean your home has a moisture problem or a prey problem, not a seasonal invasion
  • They’re pest control: predators that eat cockroaches, termites, ants, silverfish, spiders — even bed bugs
  • Not 100 legs: the name is Latin for “hundred-footed” but an adult has 15 pairs — 30 legs — plus two rear legs twice as long as the body that act like a second pair of antennae
  • They have compound eyes — unusual among centipedes, most of which are blind
  • Not from the drain: Iowa State Extension says they don’t come up through drain pipes — they slip through foundation cracks and gaps around plumbing
  • Bites are rare and roughly bee-sting level — they’d rather eat the bugs you actually hate

Watch

🎬 See the Short on YouTube — Why Are There Centipedes in My House All of a Sudden?

Sources

  • Penn State Extension. House Centipedes (extension.psu.edu).
  • Iowa State University Extension and Outreach. House Centipede.
  • University of Minnesota Extension. Sowbugs, Millipedes, and Centipedes.
  • Züger, S. et al. (2024). Material composition and mechanical properties of the venom-injecting forcipules in centipedes.
  • Fox, R. S. Lander University. Scutigera coleoptrata (Comparative Anatomy resource).

Part of Impossible Creatures — every fact verified, every creature real. Watch the Shorts at https://www.youtube.com/shorts/Y-fVtsgolMI.