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Top-Rated Pest control specialists in Illiopolis - 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 Illiopolis, 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."
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+2

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

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

Serving Illiopolis, 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

Pest Control FAQs, answered by experts

Squirrels hate anything that disturbs the peace in their nest. Loud noises, bright lights, and strong smells like cayenne pepper or mothballs will deter them from your attic. Spread these scents, add a strobe light, or use an ultrasonic repeller to keep squirrels from nesting in your attic.

Water bugs won’t actively chase you, but they earned the nickname “toe-biters” for good reason. Water bugs are highly defensive. They typically rest an inch or so below water, waiting for prey. But if they feel threatened by a human that gets close, they may inject the person with a harmless venom from their legs, which may feel like a bite.

Groundhogs love to eat a variety of plant matter. This includes beans, peas, sunflowers, tender greens such as leafy vegetables, clover, dandelion, and alfalfa, and sweet fruits such as apples and berries. Groundhogs eat up to a pound and a half of plant matter each day, so household gardens often become their prime target.

Bleach, which can kill drain flies, can also kill fruit flies, but it’s better to lure fruit flies to a liquid rather than applying chemicals, as it’s very difficult to reach them all. A more practical approach is to lure fruit flies with traps made from liquids like apple cider vinegar mixed with dish soap. This method is safer and more efficient, since it targets a larger number of fruit flies without relying on harsh chemicals that may not reach all the pests.

There’s no denying the striking resemblance, but squash bugs are different from the brown marmorated stink bug. While both are shield-shaped and emit a foul odor when crushed, they belong to different insect families and target different plants. Squash bugs primarily attack squash, pumpkins, and other cucurbits, while stink bugs have a much broader range of host plants, including fruits, vegetables, and ornamental plants. Their eggs and feeding damage also differ, making proper identification key for effective pest control.

Will coffee grounds get rid of squash bugs?

What smell do squash bugs hate?

The Illiopolis, IL homeowners’ guide to pest control services

From average costs to expert advice, get all the answers you need to get your job done.