Crop Lookout Bulletins
Tar Spot and Corn Leafhopper Reported in Multiple States
June 24, 2026
Crop Lookout users reported tar spot of corn in Indiana and Missouri, along with a corn leafhopper sighting in Oklahoma.
Tar Spot Reports Expand Across the Central Corn Belt
June 19, 2026
Tar spot of corn was among the most frequently reported diseases in Crop Lookout this week, with new detections submitted from Indiana, Iowa, Kansas, and Nebraska. Nebraska accounted for the majority of reports, with confirmations spanning multiple counties across the state.
Stripe Rust, Tar Spot, and Corn Disease Reports Increase
June 15, 2026
Newest reports highlight a broad range of crop health concerns across multiple regions and reinforce the importance of continued scouting as the growing season progresses.
Stripe Rust Sightings Continue to Expand Across Kansas, Ontario, Michigan
June 9, 2026
Recent disease monitoring reports indicate continued spread of stripe rust across the central and upper Midwest as well as southern Canada.
Stripe Rust Activity Increasing Across the Great Lakes Region
June 3, 2026
Reports of stripe rust continue to emerge across the upper Midwest and southern Canada. In 2026, confirmed reports began as early as mid-May in a county in Wisconsin and in multiple counties across Canada.
Weekly bulletins starting this summer
May 27, 2026
Crop Protection Network will start releasing regular bulletin updates highlighting trends across our Crop Lookout tracking system. Check back soon!