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INJURIES TO THE CORN PLANT 
AND ITS PRODUCTS. 
CLASSIFICATION OF INJURIES. 
A. Injuries to the seed in the earth. 
B. Injuries to the roots. 
C. Injuries to the stalk. 
D. Injuries to the leaves. 
E. Injuries to the tassel and the silk. 
F. Injuries to the ear in the field. 
G. Injuries to dry fodder. 
H. Injuries to stored corn and meal. 
A. Injuries to the seed in the earth.* 
Seed corn in the earth may be destroyed by being devoured at 
once, kernel by kernel; by being bored through from side to side; 
by being penetrated at some point and hollowed out in a way 
to leave an empty shell; or by being eaten away gradually 
from without. It need hardly be said that injuries of the first 
class are unknown to entomology, birds and mammals being the 
only corn-field pests which are capable of them. 
A kernel which has been smoothly perforated by a cylindrical 
channel has probably been visited by a wireworm—a slender, 
cylindrical or flattish, smooth, brown or brownish white, six¬ 
legged larva, likely to be found still working on the seed, the 
roots, or the underground part of the stalk. 
One which shows a round or oval hole at the surface, with no 
exit, will probably be found to contain either the seed-corn 
maggot—a white, soft, worm-like larva, without legs or distinct 
head, blunt at one end and pointed at the other—or the black¬ 
headed grass maggot—also a small footless white worm, but 
distinguished by its shining black head. 
* For Injuries to the Roots, see p. 52. 
