-2- 



If you want to eat on an unscreened patio or on the lawn, it will help if 

 you apply malathion or diazinon on shrubbery in the morning. The odor will dissipate 

 by late afternoon. Pyrethrins may also be used for control. 



European elm scales are now in the crawler stage on elms in central Illinois. 

 For those who have had problems with this pest, now is the time to apply malathion. 

 Use 1 pound of 25$ wettable powder or 6 fluid ounces of emulsion concentrate in 25 gal- 

 lons of water. 



Rat -tailed maggots are abundant in areas where there is animal waste. These 

 maggots are blunt-bodied and have a long tube on the end of the body. The adult is a 

 flower fly or sweat bee. No control is recommended. 



Caution : Before applying insecticides, read the labels carefully and follow 

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

 insecticide residue hazards. 



For a list of general precautions to use when handling and applying pesti- 

 cides, write to 280 Natural Resources Building, University of Illinois, Urbana, Illi- 

 nois, for "Safe Use of Pesticides." 



This weekly report was prepared by H. B. Petty, Steve Moore and C. E. White 

 Illinois Agricultural Extension Service and Illinois Natural History Survey, in coop- 

 eration with the USDA Agricultural Service, Plant Pest Control Branch, from informa- 

 tion gathered by entomologists and cooperators who send in weekly reports from their 

 own localities. 



HBP:SM:CEW:ml 

 7/2/64 



