64 NEW YORK STATE MUSEUM 
the identity of this pest. In very early stages of the attack the 
longitudinal gallery described above, with a series of minute notches 
for the reception of eggs on either side, may be all that can be 
found. Only a little experience is necessary before one can recog- 
nize the characteristic galleries of this borer. They are almost in- 
variably to be found somewhere upon infested trees, since an at- 
tack is rarely discovered before at least some of the grubs have 
commenced working across the bast fibers. 


Ig 9 Hickory bark beetle, galleries made by the adult and the full- 
grown larvae (original) 
Life history and habits. The life history of this borer may be 
summarized as follows: The beetles appear from the last of 
June till the last of July and may be found in New York State up 
