Every year, entomologists with the Illinois Insect Management Research Program in the Department of Crop Sciences conduct numerous insect management research trials in Illinois.

Ron Estes, the coordinator for the program, works with Mike Gray, me, graduate students, and seasonal employees to plan and establish the trials and to obtain results through numerous evaluations. All of these efforts are summarized in reports sent to cooperating sponsors of the research and ultimately made available to the public. In 2004, we created the title on Target for annual summaries of field crop insect management trials conducted by entomologists in the Department of Crop Sciences. The 2004 and 2005 editions of on Target are now available on the on Target web site. You will need the free Adobe Acrobat Reader to view the files, and we provide a link to Adobe’s Web site if you do not have the Reader.

If you are interested in learning about our results regarding control of corn rootworms, Japanese beetle grubs, soybean aphids, twospotted spider mites, or corn earworms in 2005, check out the 2005 edition of on Target. The 2004 on Target also has information about control of black cutworms and bean leaf beetles. In both editions, we include live links to the Web sites of supporting organizations and appropriate insect fact sheets.

We hope you find the information in on Target useful. Please let us know if you have suggestions for improvement or inclusion of additional information. In the meantime, enjoy reading the article of interest to you.—Kevin Steffey

Complete 2004 report in PDF format:
Complete 2005 report in PDF format:

TABLE OF CONTENTS (2005 report)

CORN

• SECTION 1 Evaluation of products to control corn rootworm larvae (Diabrotica spp.) in Illinois, 2005
• SECTION 2 Comparison of YieldGard Rootworm hybrids to control corn rootworm larvae (Diabrotica spp.) in Illinois, 2005
• SECTION 3 Evaluation of liquid Force to control corn rootworm larvae (Diabrotica spp.) in Illinois, 2005
• SECTION 4 Evaluation of insecticidal seed treatments and granular insecticides to control corn rootworm larvae (Diabrotica spp.) in Illinois, 2005
• SECTION 5 Evaluation of Herculex RW Bt and granular insecticides to control corn rootworm larvae (Diabrotica spp.) in Illinois, 2005
• SECTION 6 Evaluation of Herculex RW Bt and granular insecticides to control corn rootworm larvae (Diabrotica spp.), and their effects on emergence of corn rootworm adults in Illinois, 2005
• SECTION 7 Evaluation of Herculex RW Bt and granular insecticides to control corn rootworm larvae (Diabrotica spp.) in Illinois, 2005
• SECTION 8 Evaluation of insecticides to control Japanese beetle grubs (Popilla japonica Newman) in Illinois, 2005
• SECTION 9 Evaluation of insecticides to control Japanese beetle grubs (Popilla japonica Newman) in Illinois, 2005

SOYBEANS

• SECTION 10 Evaluation of foliar applied insecticides to control soybean aphids (Aphis glycines Matsumura) in Illinois, 2005
• SECTION 11 Evaluation of insecticidal seed treatments to control soybean aphids (Aphis glycines Matsumura) in Illinois, 2005
• SECTION 12 Evaluation of insecticidal seed treatments and foliar applied insecticides to control soybean aphids (Aphis glycines Matsumura) in Illinois, 2005
• SECTION 13 Evaluation of foliar applied insecticides to control twospotted spider mites (Tetranychus urticae) in soybean in Illinois, 2005

SWEET CORN

• SECTION 14 Evaluation of foliar applied insecticides to control corn earworm (Helicoverpa zea Boddie) in sweet corn in Illinois, 2005

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