-2- 



there Is an average of one or more masses per plant, apply DDT at 1 1/2 pounds per 

 acre as a spray or 1 pound per acre as granules. Do not apply to corn to be used 

 for ensilage or stover. Endrln can be applied to ensilage corn within 45 days of 

 harvest. 



Bagworms : These worms will soon reach the peak of their destructiveness. 

 They are now about 1/2 to 3/4 grown, but control is still possible. Use 2 teaspoons 

 of 50 to 57 percent malathion concentrate, 3 teaspoons of 60 percent toxaphene con- 

 centrate or 1 tablespoon of lead arsenate per gallon of water as a spray, and apply 

 thoroughly. Do not use malathion on cannart juniper. 



Picnic beetles : This shiny beetle about 1/4 inch long with four yellow 

 spots on its back is the one about which many people are now complain in g. These 

 beetles are appearing in large numbers around the farm, home and garden. They are 

 scavengers, feeding on overripe or injured fruits and vegetables and other decaying 

 materials. Home gardeners should use malathion for control in vegetable and fruit 

 crops. Follow the manufacturer's directions on the container. 



Caution : Before applying insecticides, read labels carefully and follow 

 all precautions. This not only will insure personal safety, but will eliminate in- 

 secticide 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:mfb 

 7/29/60 



