Cooperative
Extension
Service


University of Illinois
at
Urbana-Champaign


No. 17/July 18, 1997

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In This Issue

Corn Rootworm Adults Emerge; Concerns Over Insecticide Performance Verified
European Corn Borers in Bt-Corn
Corn Leaf Aphid Densities Impressive in West-Central Illinois
Grape Colaspis Adults Observed in Some Cornfields
Japanese Beetles: A Potential Threat to Corn and Soybean Fields
Spider Mites Cause a Few Problems in Northern Illinois
Alfalfa and Oats and Leafhoppers: What Can Be Done?
Karnal Bunt Update
Is Corn in Trouble from Drought?