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Centipede Treatment in Arizona
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Finding a 6-inch centipede in your bathroom at midnight is an experience. They move fast, they look alarming, and unlike most Arizona pests, they're venomous and will bite if they feel cornered. The good news is that centipede problems are very solvable - and addressing them usually means addressing the underlying pest issues that draw centipedes inside in the first place.
We treat for centipedes across the Phoenix metro from Scottsdale to Glendale. Our technicians know where centipedes hide, what they're hunting, and what combination of exterior and interior treatment actually keeps them out.
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Common Species
Centipede Species in Arizona Homes
Giant Desert Centipedes are the ones that catch people off guard. Adults commonly reach 6 to 8 inches, with tan or reddish-brown coloring and dark banding across the body segments. Outside, they live under rocks, in block wall cracks, under landscape debris, and in rocky areas near the foundation. They enter homes primarily when hunting prey or escaping extreme heat.
House Centipedes are smaller - 1 to 2 inches - but their long, delicate legs make them appear much larger at first glance. They're grayish-yellow with dark stripes and prefer indoor environments. House centipedes are predators that hunt spiders, cockroaches, and silverfish, which is why their presence often signals other pest activity you may not have noticed.
Both species are venomous and capable of biting. Serious reactions are uncommon, but bites do happen when someone steps on one barefoot or encounters one in a shoe or clothing item.
Why They're Inside
Why Centipedes Come Inside
- They're following prey. Centipedes eat spiders, cockroaches, crickets, silverfish, and other insects. If those pests are present in or around your home, centipedes have a reason to be there. A centipede control program that doesn't address prey populations will have limited long-term results.
- They need moisture. Centipedes are highly vulnerable to dehydration in Arizona's climate. Bathrooms, kitchens, laundry rooms, and anywhere with persistent moisture are attractive to them for this reason alone.
- They're escaping heat. Phoenix summer heat pushes temperatures that are extreme even for desert-adapted insects. Garages, ground-floor rooms, and spaces under structures provide cooler refuge.
- Clutter gives them cover. Cardboard boxes, clothing piles, and cluttered storage areas give centipedes places to hide during the day.
Our Process
The Lunar Lock Protocol for Centipedes
Exterior Treatment - Foundation perimeters, block wall cracks, and entry points around doors, windows, and utility penetrations get treated first. Granular products in landscape beds target centipedes hiding in the mulch and rock where they spend daytime hours.
Interior Treatment - Baseboards, cracks, and crevices in active areas receive targeted treatment. Bathrooms, kitchens, garages, and any moisture-prone rooms are prioritized.
Prey Reduction - We target the insects drawing centipedes in. Treating for crickets, cockroaches, and spiders alongside centipedes breaks the attraction cycle and produces better long-term results than treating centipedes alone.
Moisture Recommendations - We identify moisture issues contributing to the problem: leaking pipes, poor AC drainage, standing water in the yard near the foundation.
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What Our Customers Say
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Frequently Asked Questions
Most people notice fewer centipedes within 1 to 2 weeks. Full control - including reduction in prey insects that were attracting them - typically happens within 2 to 4 weeks. Regular quarterly service maintains protection by keeping both centipede and prey populations low year-round.
Giant desert centipedes can bite pets and cause pain and swelling similar to what humans experience. Most pets recover without veterinary care, though you should watch for signs of an allergic reaction. House centipedes pose minimal risk to most pets.
Two reasons: moisture and prey. Bathrooms provide both. The humidity, water access, and typically quiet undisturbed spaces attract centipedes, and silverfish - a common bathroom pest - are one of their preferred prey items. Fixing leaks, running the exhaust fan after showers, and treating for silverfish reduces bathroom centipede activity significantly.
House centipedes do eat cockroaches, spiders, and silverfish, so in a purely functional sense, they're doing pest control work. Some people choose to leave them. If you'd rather not share your home with them, we treat house centipedes alongside the prey insects that are sustaining them. Your call.
Centipedes have one pair of legs per body segment and are fast. Millipedes have two pairs of legs per segment and move slowly. Centipedes are predators with venomous claws near the head. Millipedes are scavengers and don't bite. Both respond to similar treatment approaches.
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