Insects, ale. Injurious to the Plum. 



3B7 



Tkkatmkxt. 



Spraying, as for the Apple Turtrices, only directly aller tlie ])luni 

 blossom has fallen. 



THE SHOT BORER BEETLE. 



(A'lllclHirii^ <Ji>ijiin\ Fall.) 



The beetle dealt with here no^\' aird again occxirs in snch nuniljers 

 that serious loss is occasioned. 



Its piopular name, Shot Ilorer Beetle, is derived from the cnrioiis 



FIG. 241.— .-illnT 11(11, K EiiKEli (.Yi/lebu 

 Slldwillli lotlK gullLl>' A. 



\F. /■;./,', 



-shot-hole like opening it makes in the affected trees, and the habit of 

 many remaining in one tunnel when hatched, comjilcteh' filling it 

 up like a line of shot. The ^\-orkiDg is very different from the Bark 

 Beetle (p. flf). This beetle drives long tunnels into the heart of the 

 wood. In young trees they partially ring them, and the result is 

 death of the upper parts ; in older trees the long tunnels they drive 

 into the substance of tlie trunks and boughs interfere with the 

 normal flow of the sap. When attacking small growths they may 

 .tunnel right up to the centi-al portions. 



It is by no means con lined to fruit trees, for lieech, mapile, 



