BORERS. “99 
CHAPTER XX. 
BORERS, 
An attack of borers is to be suspected as soon as a tree 
begins to show a gradual diminution of vigor. If borers 
are present, one will discover little masses of chips pushed 
out from small holes about the base or along the trunk of 
apple, pear and quince trees, or wax at the base of peach 
trees, or he will observe dead and discolored patches on 
the bark. The damage done by borers is so permanent 
Fig. 14. 
BEETLE OF ROUND-HEADED BORER. THE ROUND-HEADED BORER. 
care to prevent an attack. Neatness about the trees will 
enable the grower to discover an attack before it has done 
great damage. A wash made after the following recipe, 
and applied to the tree with a broom or brush, is a general 
preventive of attacks from borers: Water, one gallon ; soft 
soap, one quart ; crude carbolic acid, about one pint. 
ROUND-HEADED APPLE TREE BORER. 
This insect (Saperda candida) commonly begins its work 
about the base of the apple, pear or quince tree, although 
it is occasionally found in the branches. Its presence is 
indicated, especially after the first year, by the chips which 
