-2- 



Corn "borer moths are emerging in the East St. Louis vegetable area. Corn 

 two weeks or more from market may require corn "borer sparys. In southern Illinois 

 field corn, pupation of first generation reached 50 percent this week. Fields in 

 the vicinity of extremely early cornfields may be damaged by second-generation 

 borer. 



Caution : Before applying insecticides, read labels carefully and follow 

 all precautions. This not only will insure personal safety, but will also elimi- 

 nate insecticide residue hazards. 



This weekly report was prepared by H. B. Petty, Illinois Agricultural Ex- 

 tension Service and Illinois Natural History Survey, in cooperation with the USDA 

 Agricultural Service, Plant Pest Control Branch, from information gathered by ento- 

 mologists and cooperators who send in weekly reports from their own localities. 



HBP:bb 

 7/21/61 



