IL Pest Survey

IL Pest Survey

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Updates from the Illinois Cooperative Agricultural Pest Survey Program focusing on invasive & native pest issues in Illinois.

06/02/2026

It's spotted lanternfly season - please report possible nymph sightings in Illinois to: [email protected]

05/21/2026

Won't be long now...

Japanese Beetle PDDs increasing in Illinois. DDs are > 1020 in southern Illinois, the number associated with the beginning of adult emergence. IL Pest Survey

05/12/2026

Invasive species alert - now is the time to be watching for newly hatched spotted lanternflies!

• First discovered in the Fuller Park neighborhood in Chicago in September 2023, reports of invasive spotted lanternfly populations have been limited to the Chicago area.

• This invasive insect pest damages fruit, ornamental, and woody trees by feeding on them, and could harm the grape and logging industries.

• Egg masses containing 30-50 eggs overwinter until the nymphs emerge late April / early May.

• Did you see a spotted lanternfly? Report it! Send a picture to [email protected] with the date, specific location, and number of insects.

Learn more about what to look for at https://go.illinois.edu/InvasiveSpottedLanternfly.

Identification guides:
- English: https://go.illinois.edu/SpottedLanternfly
- En español: https://go.illinois.edu/MoscaLinternaconManchas

Photo provided by USDA.

Photos from University of Illinois Extension's post 05/06/2026
04/21/2026

Significant flight
Fulton County
Projected potential cutting date May 24

04/15/2026

Significant flight
Pike County
Projected potential cutting date May 17

04/09/2026

That didn't take long. Traps out Mar 31. First moths Apr 1. First significant flight of the year.

Significant flight
Pike County
Projected potential cutting date May 17

01/26/2026

Join Illinois Extension for the 2026 Southwestern Agronomy Summit on Tuesday, February 3, 2026, at the Monroe County Annex in Waterloo!

Hear from university and industry experts as they share research-based insights on key agronomy topics to help guide next season’s farm management decisions.

🎤 Featured speakers & topics include:

• John Pike, Pike Ag, LLC – Data to Dividends: Using Regional Soil Fertility Research to Improve Use Efficiency

• Nathan Johanning, University of Illinois Extension – Uncovering Whether to Cover: Research Updates and Management Strategies for Crop Success

• Mike Bruns, Farm Business Consultant, Farm Business Farm Management – Leveraging Farm Data to Drive Profitability

• Andrea Wagner, University of Illinois Extension – Solar Land Leases: Important Considerations for You and Your Farm

• Phil Krieg, Syngenta –No-till Crop Production: The Past and Future Opportunities in Southwestern Illinois

• Ron Krausz, SIU W**d Science (Retired) – 21st Century W**d Control: Aiding and Abetting the Enemy

💲 Cost: $25 (includes light refreshments and lunch)
📋 Pre-registration required — register by February 2
🎓 CPDU/CEUs available for Certified Crop Advisers

👉 Register today: go.illinois.edu/AGSWaterloo

Questions or accommodation needs? Contact Nathan Johanning at [email protected] or 618-939-3434.

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Champaign, IL
61820