14 EBERHARTS OUTLINES OF 



with the distance south. The hibernating pup* become 

 imagos about the time the first shoots of corn appear. 

 They deposit their eggs (which number from fifty to one 



Corn Worm and Moth. 



hundred) separately, one on each blade of corn. After 

 hatching, the larvae eat into the stalk. They get their 

 growth about the time the corn tassels. This brood does so 

 little damage that it generally passes unnoticed. 



The eggs of the second brood are laid in the tip of the 

 ear. The larvse feed on the silk, which appears about the 

 time they hatch. 



The best remedy is fall plowing, which exposes the 

 pupae to the weather. 



THE ARMY WORM. 



(Heliophila (Leucania) unipuncta.) 



This is a smooth caterpillar, seldom found later than 

 June or July. It hibernates generally as a larva; occa- 

 sionally as an imago; rarely as a pupa. 



The hibernating larvae pupate early, about an inch be- 

 low the surface, and the imagos emerge in March. There 

 are about three yearly broods in the latitude of central 

 Illinois. 



The female soon after emerging lays her eggs in grass 

 between the stalk and its surrounding sheath or between 



