How to Identify House Centipedes Fast
House centipedes are one of the most startling pests to find indoors. They move quickly, hide in dark corners, and often appear in bathrooms, basements, and closets. Fortunately, they’re easy to identify once you know what to look for.
The most common identification features include:
- 15 pairs of long, delicate legs that extend outward
- Striped, worm-like body with yellow and dark bands
- Extremely fast movement across floors and walls
- 1–1.5 inches long (sometimes larger)
- Long antennae and rear appendages
If you’re comparing pests, your Pest Symptoms Index can help you determine whether this matches silverfish, roaches, or spiders.
What House Centipedes Look Like
1. Long, Multi-Legged Appearance
House centipedes have 30 legs that fan outward, giving them a feather-like silhouette.
2. Striped Body and Legs
Their bodies and legs have alternating dark and light bands.
3. Fast, Erratic Movement
They can dart across floors and walls at surprising speed.
4. Long Antennae and Rear Legs
The front antennae and rear legs are often longer than the body itself.
Where House Centipedes Hide in Your Home
House centipedes prefer dark, humid environments. Common hiding spots include:
- Bathrooms
- Basements
- Under sinks
- Behind baseboards
- Inside wall voids
- Closets and storage rooms
They often appear at night when hunting other insects.
Why You’re Seeing House Centipedes
House centipedes are predators. If you’re seeing them, it usually means you have other pests they’re feeding on.
They commonly hunt:
- Roaches
- Silverfish
- Spiders
- Ants
- Earwigs
Seeing house centipedes is often a sign of a deeper pest problem.
How to Get Rid of House Centipedes
1. Reduce Moisture
Use dehumidifiers in basements and bathrooms. Centipedes thrive in humidity.
2. Seal Cracks and Gaps
Close entry points around baseboards, pipes, and wall gaps.
3. Eliminate Their Food Source
Controlling other pests (roaches, silverfish, ants) will reduce centipede activity.
4. Use Sticky Traps
Place traps along walls and behind appliances to catch centipedes.
5. Apply Perimeter Treatments
Indoor-safe insecticides or perimeter sprays can help reduce activity.
According to Family Handyman, moisture control and sealing entry points are the most effective long-term solutions.
When to Call a Professional
Call pest control if:
- You’re seeing centipedes daily
- You suspect a hidden moisture problem
- You have recurring infestations of other insects
- Centipedes are appearing in multiple rooms
Professionals can identify underlying pest issues and treat them at the source.
How to Prevent House Centipedes
- Fix leaks under sinks
- Use bathroom ventilation fans
- Store items in sealed containers
- Keep basements dry
- Seal cracks around doors and windows
For more pest identification guides, visit your Start Here page.