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SOME INSECT ENEMIES OF SHADE-TREES. 



By J. M. SWAINE, Ottawa. 



Shade trees and ornamental trees in city parks or streets, or private 

 grounds are subject each season to more or less injury from attacks of 

 insect foes. At times the trunks or the larger branches are infested "with 

 boring grubs or caterpillars, or tjie inner bark may be destroyed by the 

 adults and larvae of the bark-beetles, or the foliage more or less serious- 



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Tunnels in wood made by borers. 



