382 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXVI 



THE ELM LEAF BEETLE 



(Galcrucclla luteola) 



Fig. 1. — English elms, Dayton, Ohio, defoliated by the leaf beetle. 



Fig. 2. — English elms, on the opposite side of the street from those of 

 Fig. 1. These trees were protected by spraying at the proper time with arsen- 

 ate of lead. 



