Exterminator
Updated November 6, 2026
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Safety
Keep children and pets away from treated areas until the technician confirms it is safe to return. Store food, dishes, and pet food in sealed containers or remove them from the treatment zone before service. Never mix or apply store-bought pesticides alongside professional treatments without guidance. Ventilate indoor spaces as directed after any chemical application. Do not disturb or vacuum treated surfaces before the recommended waiting period has passed. If anyone in the household experiences breathing trouble, dizziness, or a rash after treatment, seek medical attention promptly.
Before the visit
Note where pests have been seen, including dates, rooms, and approximate numbers. Clear clutter from floors, closets, and baseboards so technicians can access hiding spots. Wash and dry bedding, linens, and clothing on high heat if bed bugs are suspected, then bag items in plastic. Move furniture a few inches from walls to allow inspection of cracks and crevices. Vacuum carpets and upholstery, then dispose of the vacuum bag in a sealed plastic bag outside. Fix moisture issues such as leaking pipes, since many insects are drawn to water sources. Secure pets and cover aquariums before the scheduled appointment.
Repair vs replace
A small, contained pest problem is spotted early, such as a few ants along one windowsill. Seasonal invaders like boxelder bugs or ladybugs appear but have not nested indoors. A single wasp nest is visible and reachable on an exterior wall or eave. Minor entry points, such as gaps under doors or torn window screens, need sealing to keep bugs out. Wood damage from termites is limited to a small, accessible area and a structural inspection has confirmed it is repairable. Recurring pests return after DIY attempts and a targeted professional treatment could resolve the source.
When to replace
A mattress, box spring, or upholstered furniture is heavily infested with bed bugs and cannot be safely treated. Termite damage has compromised structural framing, flooring, or load-bearing wood to the point that repair alone is insufficient. Carpets, drywall, or insulation have absorbed moisture and pest waste beyond what cleaning can address. A recurring infestation persists after multiple treatments, suggesting the affected materials should be removed and the space rebuilt. Food storage areas or pantry shelving are contaminated by rodents or roaches and cannot be fully sanitized. A vehicle interior has a deep-seated insect or rodent infestation where upholstery and padding need replacement.
Common issues
| Symptom | Likely causes | Safe check | Stop when |
|---|---|---|---|
| Small reddish-brown bugs or dark spots on mattress seams and bedding | Bed bugs hiding in mattress seams, box springs, and nearby furniture | Inspect mattress seams, headboard, and baseboards with a flashlight for live bugs, shed skins, or rust-colored stains | Bugs are seen spreading to walls, couches, or multiple rooms, or bites appear on several household members |
| Hollow-sounding wood or mud tubes along the foundation | Subterranean termites tunneling through structural wood or traveling between soil and the building | Tap exposed wood trim with a screwdriver handle and look for pencil-width mud tubes on foundation walls without breaking them open | Wood crumbles when probed, sagging floors appear, or swarmers with discarded wings are found indoors |
| Live roaches seen during the day or a strong musty odor in the kitchen | A growing cockroach population nesting behind appliances, under sinks, or inside wall voids | Place sticky traps along baseboards and under sinks overnight and check for captured roaches and egg casings | Roaches appear in multiple rooms, droppings resemble coffee grounds near food, or anyone develops allergy or asthma flare-ups |
| Sawdust-like piles or tiny holes in wooden furniture and trim | Powderpost beetles, carpenter ants, or wood-boring insects excavating galleries in wood | Wipe suspected areas with a white cloth to confirm frass and mark hole locations to see if new ones appear over one to two weeks | New exit holes keep appearing, structural members sound hollow, or wings are found near windows |
| Ant trails marching along counters, baseboards, or exterior walls | Foraging ants following a scent trail from a colony nesting in walls, soil, or decaying wood nearby | Follow the trail to its entry point without spraying, and set out a small bait to confirm the colony accepts it | Trails lead inside wall voids, winged ants appear indoors, or ants are found in food preparation areas despite cleaning |
| Stinging insects entering and exiting a hole in an exterior wall or eave | Wasps, hornets, or yellowjackets building a nest inside a wall cavity or under rooflines | Observe flight paths from a safe distance during daylight without approaching or blocking the opening | The nest is near a door or walkway, activity increases daily, or anyone in the household has a known sting allergy |
| Itchy bites in lines or clusters after sleeping | Bed bugs or fleas feeding at night, often introduced through luggage, secondhand furniture, or pets | Wash and dry bedding on high heat, inspect sleeping areas for live bugs, and check pets for flea dirt with a fine-tooth comb | Bites continue nightly for several days, blood spots appear on sheets, or bugs are spotted in the bed frame or couch |
| Gnaw marks, droppings, or scratching noises inside walls or a vehicle | Rodents or pests nesting in insulation, engine bays, or upholstery where they chew wiring and materials | Look for droppings, shredded nesting material, and chewed wiring or fabric without handling carcasses barehanded | Wiring damage is visible, odors persist from hidden nesting sites, or activity is heard in multiple locations |