AND CITY BEAUTIFUL 



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— something that kills the insects by coming in con- 

 tact with their bodies. Kerosene emulsion, ivory soap 

 solutions, and whale oil soap are among the remedies for 

 this class of insects. The chewing insects are easily killed 



The Destructive Elm Leaf Beetle 



by spraying with any active poison as lead arsenate, paris 

 green, helebore. It is easy to distinguish them as they 

 eat up the leaves. Lava (often called worms) of many 

 insects come under this class. Scale insects are really suck- 

 ing insects. They stick so closely to the bark of twigs 

 that they are often overlooked and the tree or shrub is 

 sometimes nearly killed before the cause is discovered. 

 Careful examination, however, and especially scraping 

 the thumb nail along the bark of the twig, will indicate 

 their presence. They require special treatment, usually 

 winter spraying. 



