148 



INSECTS INJURIOUS TO STAPLH: CROPS. 



Fig. 82. — a, b, c, varieties of the larva of the larger Corn Stalk- 

 borer; d, third thoracic segment; e. eighth abdominal segment; 

 /, abdominal segment from side; g, same from above— enlarged. 

 (After Howard, U. S. Dept. Agr.) 









Fig. 83. — The larger Corn Stalk-borer, a, female; h, wings of 

 male; c, pupa— all somewhat enlarged. (After Howard, U. S. 

 Dept. Agr.) 



