Smithsonian Report, 1940.— White 



Plate 4 



1. Experimental Plot OF Beans. 



The center rows of beans were protected with an insecticide. The rows to the sides have lost their foHage 

 from bean beetle attack as they were not treated. Photograph by Brannon. 



.' ^•'•-^"•aSs 



V*- if ' 



The bean plants in this fiel 



2. Injured Bean Field. 

 were left without loaves after being attacked by the bean beetle. 



