35 



again. The remedies to bo used in the case of their attack- 

 ing corn are the same as those to be used in the case of cot- 

 ton. (See cut worms under the cabbage plant.) 



CORN-WORM OR BOLL-WORM. 



This is perhaps the most destructive insect affecting corn, 

 especially the roasting ears. The worm is the same that 

 attacks the cotton bolls, but prefers the corn while it is soft 

 to cotton, and only migrates to the latter when the corn 

 becomes too hard. 



CoKX-WoRM OR Boll- Worm. — o, b, eggs greatly enlarged ; c, larva; d, 



pupa ; e,f, adulta. 



The female moth deposits her eggs among the silks of the 

 young ears. As soon as the larv.Te hatch they eat their way 

 into the ear, and feed upon the young kernels of the corn. 

 They remain here eating the corn for several weeks, and 

 sometimes eat the entire length of the ear, although they 

 usually confine their depredations to the extremity. If the 

 corn becomes too hard before the worms are full grown, they 

 migrate to the cotton plant and enter the boll ; otherwise they 

 simply leave the corn, and burrow just beneath the ground, 

 where they make a frail cocoon of silk* and sand, within 



