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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. 



. . F- . si^S^Ki-^i.^ "G? 



Fig 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 



