Centipede & Millipede Control in Wilmington, Delaware

Centipede & Millipede Control in Wilmington, Delaware

Turn over a board in a damp Wilmington basement and you’ll likely find them: house centipedes with their long legs and speed, and millipedes slowly coiling on the concrete. Centipede and millipede control in Wilmington is a moisture problem first and a pest problem second, because both of these creatures live where the humidity lives.

Why Wilmington basements get these pests

• Damp basements and crawl spaces — Wilmington’s older rowhomes have cool, damp basements, and both centipedes and millipedes thrive on that moisture.
• The prey chain — house centipedes hunt the silverfish, earwigs, and spiders already living in the basement, so they’re a sign of a broader insect population.
• Mulch and leaf litter beds — millipedes breed in damp ground cover and leaf litter, common in the landscaped yards of the Highlands and Wawaset Park.
• Fall mass migrations — millipedes move in large numbers in late summer and early fall, climbing foundation walls and entering through any gap.
• Humid climate — Wilmington’s humid summers keep the soil and basements damp well into fall, extending the breeding season.

Signs of a centipede or millipede problem in Wilmington

• House centipedes running across the floor at night — their speed and many legs make them unmistakable in the bathroom and basement.
• Millipedes in clusters on the foundation — massed millipedes on the exterior wall or under the door in late summer point to a yard population migrating.
• Curled millipedes in damp corners — they coil up when disturbed, a classic sign in basements and under stored items.
• Shed skins and droppings in the basement — both species leave shed exoskeletons and droppings in the corners they inhabit.
• Damage to seedlings and soft plants — a large millipede population can feed on garden seedlings and soft vegetation.

How we control centipedes and millipedes in Wilmington

1. Inspect the basement, crawl space, and yard. We find the moisture sources, the harborage, and any migrating population around the foundation.
2. Treat the exterior foundation line. We apply a residual barrier around the foundation, door thresholds, and basement windows.
3. Treat the interior harborage. Basement walls, cracks, and damp corners get a targeted residual treatment.
4. Address the prey population. For house centipedes, we treat the silverfish, earwigs, and spiders they’re feeding on, which removes the food supply.
5. Correct the moisture problem. We address the damp conditions in the basement or crawl space, because dry conditions drive both species out.
6. Schedule a follow-up. A return visit in two to three weeks confirms the drop and catches any late-season migration.

Centipede and millipede control pricing in Wilmington

Prevention tips for Wilmington homeowners

• Run a dehumidifier in the basement. Lowering the humidity below 60% makes the basement unlivable for centipedes and millipedes alike.
• Clear mulch and leaf litter from the foundation. A clean perimeter removes the millipede breeding zone before the fall migration.
• Seal foundation cracks and cellar doors. The gaps these pests use are the same ones earwigs and mice use; caulking covers all of them.
• Store items off the basement floor. Boxes and boards on the floor create harborage; shelving keeps things off the damp concrete.
• Fix exterior drainage. Downspouts that dump against the foundation keep the soil wet and the millipede population breeding all season.

I’ll never forget the Wilmington homeowner who called about “snakes” in her basement, which turned out to be house centipedes doing exactly what they’re supposed to do, eating the silverfish that were already there. We treated the basement for the whole moisture-pest complex, dried it out, and both the centipedes and their prey disappeared together.

Service area

We provide centipede and millipede control throughout Wilmington and New Castle County, including rowhome basements in the East Side and Trolley Square, crawl spaces in Union Park Gardens, and properties in Elsmere, New Castle, Bellefonte, Claymont, and Newport.

Frequently Asked Questions

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