-3- 



seedlings and seriously retard or kill older plants. Carbaryl (Sevin) used as a 

 dust or spray will control these beetles. Apply late in the day. Repeated appli- 

 cations may be necessary. 



Aphids are present on green beans, tomatoes and some other vegetables. 

 These small, green, usually wingless insects suck sap from the underside of the 

 leaves, causing them to curl downward. Aphids usually give off a sticky substance 

 called honeydew. This substance plus cast skins can be found sticking to the 

 leaves. Malathion is an effective spray for controlling aphids in the home garden. 



Black flea beetles are present on potatoes, egg plants and tomatoes. 

 Tiny brown pinpoint spots on the leaves are indications of feeding. These beetles 

 jump at the slightest disturbance and may be difficult to find on the plants. Regu- 

 lar application of carbaryl (Sevin) sprays or dusts may be needed to obtain con- 

 trol. Apply late in the day. 



Oystershell scale , a common pest of lilac bushes, can be controlled at 

 this time of year with malathion. The scale insects are not encased in their 

 shells. Also pine needle scale , a pest of many pine tree and shrub species, can 

 be controlled at this time of year with malathion. Pine needle scale appears as 

 white specks on the needles, and some needles turn brown and drop off. 



Sod webworms are not a problem so far this year; if they are going to 

 be, it will be August before the damage shows up. But another similar insect, 

 which has no common name, is damaging lawns. The larva burrows into the soil and 

 then emerges to feed on grass blades around the burrow. Damage first appears as a 

 pencil-sized hole with damaged grass around it. These holes increase in size and 

 turn brown as root damage occurs. No control is as yet being recommended. 



C aution to Those Using Insecticides 



Before applying insecticides, read the labels carefully and follow all 

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

 residue hazards. 



********** 



This weekly report was prepared by H. B. Petty, Steve Moore, Roscoe 

 Randell, Don Kuhlman and Clarence E. White, Illinois Natural History Survey and 

 University of Illinois College of Agriculture, in cooperation with the USDA Agri- 

 cultural Research Service, Plant Pest Control Branch, from information gathered 

 by entomologists and cooperators who send in weekly reports from their own locali- 

 ties. 



Sent by: H. B. Petty 



Extension Specialist 

 in Entomology 



HBP:SM:RR:DK:CEW:le 



