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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

57 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

Honey bees are most likely to swarm during spring and early summer, typically from April through June, as colonies expand and prepare for new growth. Swarming occurs when a hive becomes overcrowded, prompting the queen and a group of worker bees to leave in search of a new nesting site. During this time, you may notice a temporary increase in bee activity around your property.

High-frequency bird repellent devices are effective at driving away birds, which is their intended purpose. However, these devices also tend to have unintended negative consequences. For example, if you or your neighbors own pets, the high-pitched noise emitted by these electronic devices will cause them distress and may even make them aggressive.

As with anything ingested by animals, there is always a chance that mushrooms will be toxic. Clearing the tops of mushrooms from the soil to prevent them from being eaten by pets is always a good idea. Since poisonous mushrooms can be deadly, we recommended that any mushroom ingestion is treated as a veterinary emergency. Watch for signs of lethargy and digestive distress in any animal suspected to have eaten a mushroom and contact your vet immediately.

When looking for natural roach repellent options, citrus, bay leaves, cucumber, garlic, and catnip may all help to keep cockroaches away. When an infestation requires a bigger intervention, boric acid, baking soda, diatomaceous earth (DE), and soap mixed with water are all considered natural and nontoxic roach treatments.

When threatened or crushed, stink bugs emit a pungent scent often described as smelling similar to cilantro. However, some people say it can smell like sulfur or ammonia. The scent is produced by a gland on their abdomen and some species can spray the scent too.

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.