150 PESTS OF GARDEN AND FIELD CROPS 
The Striped Cucumber Beetle (Diabrotica vittata Fab.) 
As soon as the tender leaves of melons, cucumbers, and squashes 
are above ground, a lot of yellow and black striped beetles, two fifths of 
Fic. 152.— The Striped Cucumber Beetle. Adults, natural size and 
enlarged. Original. 
an inch long, hunt them out and do their best to destroy them. The 
larve eat the tender roots of the same plants on which the adults are 
seen; and in addition the feeding of the adults is instrumental in 
spreading a bacterial wilt that often suddenly Kills the vines. 
