10 FARMERS’ BULLETIN 63. 
proper treatment to a normal and healthy condition or by burning. 
Not only must such wood be guarded against within the orchard. 
but a lookout should be maintained of land adjacent to orchards. 
1g. 11.—Branches of apple tree broken by overbearing. The fruit-tree barkbettle was 
breeding in great numbers in the broken branches. (Original. ) 
where sickly seedling apple, peach, wild cherry, wild plum, service- 
berry, crab apple, or other trees susceptible to infestation may form 
breeding centers for the beetles. Where all such breeding places can 
