26 



The Bulletin, 



F'iG. 6. — Work of the larger Corn Stalk-borer, a, ap- 

 pearance of young stalk badly injured, b, stalk cut 

 open near root to show burrow and pupa inside. 

 (After Howard, Div. of Ent., U. S. Dept. Agr.) 



Fig. 7. — Showing larva of larger Corn Stalk-borer, a, b and c 

 showing variations in the markings, etc. Natural length in- 

 dicated by line below a. d, e, / and g, views of certain 

 parts of body of larva. 



(After Howard. Div. of Ent.. U. S. Dept. Agr.) 



