460 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE LXV 



THE POPLAR AND WILLOW BOEER 



(Cryptorhynchus lapathi) 



Fig. 1. — Adult beetle. Enlarged about eight diameters. 



After Mathespn. 



Fig. 2. — The trunk of a young Carolina poplar, showing characteristic 

 swellings and mutilation due to this beetle. 



