18 



and has a very offensive odor. It winters in the adult form underneath 

 leaves, boards, etc. The eggs are reddish-brown, and are laid on the 

 under side of the leaves. 



Remedies : Hand-pick the insects morning and evening, when they 

 are least active ; collect and destroy the egg masses ; spray the vines 

 thoroughly with kerosene emulsion or soap solution to kill the young- 



Portion of a cucumber vine showing natural infec- 

 tion with B. tracheiphilus. Note the wilted appear- 

 ance of the leaves . 



bugs ; protect the young plants with cheese-cloth screens ; trap with 

 shingles and pieces of board, under which the bugs will gather, or with 

 early squash plants. 



Striped Cucumber Beetle (Diabrotim vtttata). 

 From Chittenden. 



Twelve-Spotted Cucumber Beetle (Diabrotica 1 2-punctata) 



greenish-yellow beetle, with twelve black spots on its wing covers. 



2a bull. 150 



A 



It 



