CORN PESTS AND DISEASES 



265 



Virginia. It also inhabits Central and South nmerica. 

 The moth has been captured in Maryland and Indiana, 

 but this is not evidence of the permanency of the species 

 in those states. As this stalk borer hibernates in all 

 stages, larva, pupa and adult, a practical remedy is 

 difficult to find. The pulling up and burning of 

 infested material as early as possible after the crop 

 is removed, and rotation with some crop that would 

 not be affected by this species, are desirable. It is 

 quite a serious pest on beans and peanuts occasionally, 



Fig 71— The Smaller Cornstalk Borer 



Elasmopalpus ligttosellns . a, .nalemoth; b t fore-wing of dark female; bb, 

 antenna of female; c, male at rest ; d, larva; e, ventral segment of larva from 

 side, much enlarged; /, cocoon— all except c three times natural size (after 

 Chittenden). 



and these should be avoided on land infested with it. 

 It does not seem possible that the insect could be 

 reached with insecticides with profit. See Fig 92, 

 showing work of the smaller cornstalk borer. 



The Corn Worm — The corn worm has about as 

 many popular names as it has food plants. Through- 

 out the corn growing states it is known as the corn 

 worm when it occurs upon corn. In the cotton grow- 

 ing states it is called the boll worm when found upon 

 cotton. In many southern states it is known in the 



