April, "10] 



HEADLEE : THE CORN EAR- WORM 



155J 



reduce the number of such overwintering pupfe as would survive^ 

 if undisturbed; (2) that the keeping down of weeds in the cornfields, 

 along' fences and over neglected places might prevent those larv£e 



CHART NO. 2 



DATE 



Chart No. 2. — Deposition of eggs on field corn in relation to time of silk- 

 ing of each variety in each plot. 



which develop after the corn is ripe from reaching maturity, and that 

 disking the alfalfa in early spring might destroy such as transform 

 to pups in alfalfa fields, thus greatly reducing the numbers of the 

 pest ; ( 3 ) that early planted corn was less injured by the larvae than 



