BORERS. 81 



thirty years ago, and I transcribe it with the recommend- 

 ation that if used it be done cautiously : ''Make a con- 

 cave mound of mellow, earth around the tree, rising about 

 six inches above the work of the insects. Thoroughly 

 saturate this mound with a strong salt brine, twice at an 

 interval of four weeks, at any time of the year when the 

 ground is not frozen. Stale beef or pork brine in its full 

 strength is just the thing. The mound of earth holds 

 the liquid in suspension round the tree until, by capillary 

 attraction, it is carried into the holes and borrows of the 

 insect, where the salt is sure destruction to this ravaging 

 and pestilent enemy. Vary the quantity of the dose with 

 the size of the. tree. Be cautious with small trees. Old, 

 large trees, three feet round, may have a pailful at a time. 

 I have revived trees by this application from apparent 

 death. Apple trees thirty years old, Avitli their trunks 

 perforated very badly, are now perfectly healthy, and 

 their wounds are healing over." 



A correspondent of the "Horticulturist," 1846, rec- 

 ommends injecting a solution of potash into the holes of 

 the borer by means of a small syringe. Two pounds of 

 potash is to be dissolved in a gallon of water. 



A small gouge and a mallet are often used, the wound 

 which is made by the gouge being securely waxed over. 

 This harsh remedy is to be employed only when the grub 

 has burrowed far into the wood, and where it is impossi- 

 ble to reach it with the wire or twig. 



SPOTTED BORER (Sapevda cretafa). 



This (figure 16) is closely allied to the preceding, and 

 in its habits is scarcely to be distinguished from that 



