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Top-Rated Pest control specialists in Delavan - Updated Nov 2026

Avatar for Terminix® Pest Control
Terminix® Pest Control
3.9(
1,074
)
Pest Control - Bugs and InsectsPest Control - RodentsPest Control - Termite+6 more

Serving Delavan, IL and surrounding areas

Approved

In business since 1927

Free estimates

Warranties offered

"Very knowledgeable guy who seem to know what he’s doing. Don’t know results of spraying. Have had much rain since. Will have to see if it worked. Terminex will spray again the beginning of next month."
My jobs
My jobs
My jobs
My jobs
My jobs

+2

55 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for TruGreen
TruGreen
3.7(
10
)
Mosquito Control

Serving Delavan, IL and surrounding areas

Approved

In business since 1974

Free estimates

Credit card accepted

"TruGreen provided transparent pricing and quality workmanship when treating my property for bed bugs. Their technicians were professional and thorough, ensuring every area was treated to eliminate the infestation. I appreciated their attention to detail and how they followed up to ensure the problem was resolved. I'll definitely be using their services again if needed."
Recommended by100%of homeowners
Avatar for Presto-X (St. Louis)
Presto-X (St. Louis)
New to Angi
Mosquito ControlPest Control - Bed BugsPest Control - Birds and Bats+4 more

Serving Delavan, IL and surrounding areas

Approved

In business since 1932

Free estimates

Warranties offered

Since 1932, Presto-X has been providing expert pest control services guided by the enduring principles of providing world class service to our customers and taking care of our colleagues. Presto-X covers your home or business with expert knowledge, professionally licensed and trained technicians, and exemplary service designed specifically for you.

Enviro Management Group LLC
New to Angi
Pest Control - Bed BugsPest Control - Bugs and InsectsPest Control - Termite

Serving Delavan, IL and surrounding areas

In business since 2011

Free estimates

Credit card accepted

Enviro Management based in Centre Hall, PA, offers preventative and on-demand pest control services and Insulation installation. Our unique business has a number of programs available that are designed to help homeowners, business owners, industrial clients and the agricultural sector with pest problems and Energy issues. \n \nAll of the technicians employed at Enviro Management are licensed with the Pennsylvania Department of Agricultural. Safety of a building's occupants and the sensitivity of the environment are always our top priorities when sending technicians out on the job. \n \nIf you want more information on the pest and Insulation services Enviro Management can provide, give our friendly staff a call today at 814-359-2600

Guardian Outdoor Solutions LLC
New to Angi
Mosquito ControlPest Control - Bugs and InsectsPest Control - Termite

Serving Delavan, IL and surrounding areas

Free estimates

Credit card accepted

Offers commercial services

Guardian Outdoor Solutions \nVeteran owned and operated \nLicensed and Insured \n \nWe take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. \n

Lawn care
Lawn care
Lawn care
Lawn care
Lawn care

+4

Pest Control FAQs, answered by experts

Roaches entering your home or infesting an area are usually the result of poor sanitation. Cockroaches feed off of crumbs, spills, food scraps, and other organic matter, so they’re more likely to stick around and come back for more if your space isn’t cleaned up regularly. Maintain your home and prevent roaches by cleaning the kitchen area daily, sealing food tightly, removing open water sources, and eliminating clutter.

Moles breed once a year, marking March on their calendars as peak season. However, their breeding season can start as early as February and wrap up in May. Their gestation period is 4 weeks, with litters ranging from 2 to 6 little ones. They are considered all grown up by the three-month mark, making them ready for parenthood.

The main reason wolf spiders gravitate towards houses is the presence of their prey, including insects like flies and ants. Their attraction is also heightened by the availability of suitable shelter in areas cluttered or undisturbed and in moisture-rich environments like basements. Openings and gaps in the structure provide an easy access point for these spiders. During cold weather, wolf spiders may also seek warmth indoors, making your home an attractive refuge during harsh weather conditions.

If you suddenly have an infestation of gnats in your house, don’t worry, it’s relatively easy to spot the cause and resolve it quickly. Gnats are drawn to moisture and decaying organic matter, so they love to snack on unsealed produce, flowers, plants, and food or liquid spills. A common spot to find gnats is inside your kitchen sink drain because it provides a hospitable environment for them to live and breed.

If you spot two or more cockroaches inside your home, you should hire an exterminator to conduct an inspection and provide eradication treatments. If you see one cockroach and no others, it may have been a stray that wandered inside. Don’t hesitate to call an exterminator as soon as you see more than one cockroach in your home.

The Delavan, IL homeowners’ guide to pest control services

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