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Local wasp information

Wasp control in Illinois

Learn what to look for around your property, explore your city, and ask about an inspection or a quote.

Wasps in Illinois: what to know

Around Illinois

Conditions vary across the state. Choose your city below, then describe what’s happening around your home or business.

What to note

Where you see wasps, how long it has been going on, and anything you’ve already tried are the most useful details to mention.

A useful next step

Ask about an inspection, what treatment would involve, and whether follow-up visits are included. You don’t need to identify the problem yourself before getting in touch.

Local research

Wasps in Illinois: what the public record shows

Before you compare quotes, it helps to know which wasps actually live in Illinois, when they are busiest, and what the state figures look like. Everything below links to the agency or university page it came from.

Wasp species recorded in Illinois

  • German yellowjacket (Vespula germanica) — UC IPM: 'becoming more common in many urban areas of California, where it frequently nests in houses.' Named among Ohio's three main species (German, Eastern, Common yellowjacke…
  • Bald-faced hornet (Dolichovespula maculata) — Penn State: 'found in most of the 48 contiguous states and D.C., throughout Canada and in Alaska'; actually an aerial yellowjacket that builds the football-shaped gray paper nes…
  • European hornet (Vespa crabro) — Penn State: 'first detected in the 1840s', 'well established in the eastern United States', 'first reported from Arkansas in 1999'; workers 'up to an inch (25 mm) long', nests '…
  • European paper wasp (Polistes dominula) — Penn State: 'first reported in 1978 around Boston', now 'coast to coast ... although they are apparently less common in the Southeast and Great Plains'; nests in 'eaves of struc…

When wasps are busiest in Illinois

Queens emerge in April–May, colonies peak August–October, and workers die at the first hard frosts; only new queens overwinter (OSU, Penn State, UMN).

Bald-faced hornet range per Penn State covers most of the 48 contiguous states and D.C. European hornet is established across the eastern United States (Penn State).

For context, nationally

  • 788 — Deaths from hornet, wasp, and bee stings, 2011–2021 (US). CDC MMWR
  • 72 deaths per year — Average annual sting deaths, 2011–2021 (US). CDC MMWR

Sources: CDC MMWR; Yellowjackets and Other Social Wasps (Pest Notes); Baldfaced Hornet; European Hornet; European Paper Wasp. Figures are quoted as the source prints them. How we check our sources

Explore Illinois cities

Arlington Heights, Illinois cityscape

Arlington Heights

Humid Continental · suburban setting

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Aurora, Illinois cityscape

Aurora

Humid Continental · urban setting

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Berwyn, Illinois cityscape

Berwyn

Humid Continental · urban setting

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Bloomington, Illinois cityscape

Bloomington

Humid Continental · urban setting

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Bolingbrook, Illinois cityscape

Bolingbrook

Humid Continental · suburban setting

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Champaign, Illinois cityscape

Champaign

Humid Continental · urban setting

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Chicago, Illinois cityscape

Chicago

Humid Continental · urban setting

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Cicero, Illinois cityscape

Cicero

Humid Continental · urban setting

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Decatur, Illinois cityscape

Decatur

Humid Continental · urban setting

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Des Plaines, Illinois cityscape

Des Plaines

Humid Continental · suburban setting

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Elgin, Illinois cityscape

Elgin

Humid Continental · urban setting

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Evanston, Illinois cityscape

Evanston

Humid Continental · urban setting

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Joliet, Illinois cityscape

Joliet

Humid Continental · urban setting

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Naperville, Illinois cityscape

Naperville

Humid Continental · suburban setting

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Oak Lawn, Illinois cityscape

Oak Lawn

Humid Continental · suburban setting

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Palatine, Illinois cityscape

Palatine

Humid Continental · suburban setting

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Peoria, Illinois cityscape

Peoria

Humid Continental · urban setting

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Rockford, Illinois cityscape

Rockford

Humid Continental · urban setting

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Schaumburg, Illinois cityscape

Schaumburg

Humid Continental · suburban setting

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Skokie, Illinois cityscape

Skokie

Humid Continental · suburban setting

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Springfield, Illinois cityscape

Springfield

Humid Continental · urban setting

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Waukegan, Illinois cityscape

Waukegan

Humid Continental · urban setting

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Downers Grove, Illinois cityscape

Downers Grove

Humid Continental · suburban setting

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Ask about wasp control in Illinois