15 Most Recent Entomology Articles
Corn Rootworm Larval Hatch: Earliest in at Least 35 Years
The earliest reported hatch of corn rootworm larvae in 35 years has been received for Illinois and Indiana. What are the potential implications for corn producers? May 10, 2012
Entomological Musings This Spring
Commentary is provided on black cutworms, armyworms, bean leaf beetles, and corn rootworms. May 10, 2012
Scouting for Black Cutworm Larvae Should Be Underway
Significant black cutworm moth flights in late March and early April could result in cutting-stage larvae soon in many areas of the state. Growers should start scouting emerging corn seedlings. May 4, 2012
World's Worst Agricultural Pests? Some Familiar, Others Not, to Midwest Producers
BBC News asked the chief scientist for the Centre for Agricultural Bioscience International to name the worst plant pests threatening crops around the globe. April 27, 2012
Black Cutworm Moth Flights Remain Intense--Freezing Temperatures Have Minimal Effect on Potential Cutting Threat
Don't assume that freezing temperatures have eliminated any black cutworm threat, and don't take for granted that a Bt hybrid will provide adequate protection against infestations. April 20, 2012
Bt Use and Refuge Implementation: Expected Patterns for 2012
Despite low numbers of key insect pests in Illinois fields for several years, intense use of Bt hybrids is expected to continue. Many producers are also adopting refuge-in-a-bag strategies. April 6, 2012
Black Cutworm Moths Abundant and on the Move
Producers should look for early signs of leaf-feeding injury that could signal potential cutting of corn plants by black cutworm. Don't be lulled into complacency if you planted a Bt hybrid; control may be inadequate if infestations are heavy. April 6, 2012
Considerations with (Very) Early-Season Weed Management
How might the mild winter and current above-normal air temperatures affect this season's weed management? One special of particular concern this spring is horseweed (aka marestail). March 22, 2012
Mild Winter, Record-Breaking March Temperatures: How Will Field Crop Insects Respond?
How the weather conditions of recent months are likely to affect survival and infestations of migratory and nonmigratory field crop insects is detailed. March 22, 2012
Insurance Pest Management the Norm in Many Corn and Soybean Fields of the Midwest
The increased use of crop production inputs without scouting or use of economic thresholds is being exacerbated by high commodity prices, and it will probably continue. But unintended, unforeseen, undesirable consequences are likely. March 22, 2012
Corn Rootworm Damage to Bt Corn: Should We Expect More Reports Next Year?
To address significant root pruning in a corn field planted to a Bt hybrid, an integration of management tactics should be undertaken across several growing seasons. November 4, 2011
Soybean Aphids Colonizing Buckthorn: Establishment Appears Solid
Soybeans aphids are successfully colonizing their primary host across central Illinois and appear to be setting the stage for a potential comeback in 2012. October 7, 2011
Additional Reports of Severe Rootworm Damage to Bt Corn Received: Questions and Answers
Many producers have questions about this year's instances of severe corn rootworm injury to Bt corn. Answers are detailed to help with decisions for next year. September 23, 2011
Preliminary Root Ratings for 2011 University of Illinois Corn Rootworm Trials
Again this year, root damage by corn rootworms was very low at Monmouth and Perry and moderate at DeKalb and Urbana. Details are provided by control product. September 9, 2011
ISA-Sponsored Surveys of Illinois Soybean Fields Reveal No Brown Marmorated, Red Banded, or Red Shouldered Stink Bugs
Surveys of soybean fields in 47 Illinois counties indicated no incidences of several stink bug species and few western corn rootworm adults. Results for Japanese beetles and green cloverworms varied. August 26, 2011