INSECT ATTACKS AND REMEDIES 129 



plantation in order to assist in getting rid of 

 this troublesome beetle. 



The pine weevil (Hylobius abietis) is another 

 destructive insect, and differs from the former 

 in waging its attacks against the buds of the 

 leaders and branches, as also eating patches of 

 the bark here and there on the stems and 

 branches. The various species of Abies suffer 

 most, but the pines occasionally are attacked 

 as well. It is always most destructive in 

 young plantations growing on the margins of 

 old woods, and equally bad amongst trees that 

 have been planted on the site of a former pine 

 plantation. The beetle is about half an inch 

 long, and nearly black. One remedy, pro- 

 bably the best, is to place fresh pieces of pine 

 bark on the ground beneath the infested trees, 

 and, by shaking the trees and examining the 

 traps the following morning, many may be 

 destroyed. 



Bostrichus typographus is another pest of our 

 woodlands, and may frequently be seen, like 

 fine white wool, spreading over the stems and 

 branches of the silver and other firs. It spreads 

 with terrible rapidity, first appearing in small 



