FIG. 315. The cotton bollworm, or corn-ear worm (Heliothis obsoleta). 



(Natural size) 



a, adult moth ; , dark full-grown larva ; f, light full-grown larva ; d, pupa. (After Howard, 

 United States Department of Agriculture) 



f 



FIG. 316. The cotton-boll cutworm (Prodenia ornithogaUi Guen.). (Enlarged) 



a, dark form of male moth ; b, pale form of female moth ; f, pale form of larva ; d, dark 



form of same ; e, lateral view of abdominal segments of dark form ; /, of pale form. (After 



Chittenden, United States Department of Agriculture) 



