The Bulletin 
14 
sides of the leaves and usually 
shape on both sides of the leaf, 
are nearly always with smooth 
t/ */ 
they are of almost the same size and 
The holes eaten by the corn bill bug 
round edges, as if they had been cut 
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Figure 5. Adult Southern Corn Bill Bug feeding on corn, normal position. 
with a sharp punch, while the holes eaten out by the corn stalk-borer 
are usually decidedly more ragged. The holes eaten by the corn ear- 
worm are usually not round, but elongate and decidedly more irregular, 
on the average, than the holes made by the corn stalk-borer. The holes 
