380 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXV 



THE ELM LEAF BEETLE 

 ( Galerucella luteola ) 



Fig. 1. Adult beetles killed by one of the stink bugs (Apateticus maculi- 

 ventris). 



.Fig. 2. Elm leaf beetle, larvae, adults and pupae killed by a species of 

 fungus disease (Sporotrichum globuliferum). The dead insects were in the 

 refuse on the surface of the soil beneath an elm that had been severely attacked 

 by the beetle. The white spots to which the black arrows point are the fungus- 

 covered insects. Photograph, Dayton, Ohio. 



