210 



SOUTHERN FIELD CROPS 



192. Corn ear-worm, or cotton boll worm {HcliotMs 

 obsoleta) . — This is the same insect as the cotton boll worm 



(see Par. 359). The eggs 

 are laid bj^ a large grayish 

 brown moth, which, es- 

 pecially towards evening, 

 may be found hovering 

 over fields of corn, cotton, 

 and cowpeas. The eggs 

 arc placed on the silks 

 (Fig. 101), leaves, or 

 other parts of the corn 

 plant. After these hatch, 

 the j'oung \\'orms, or lar- 

 vse, find their way into the 

 tip of the ear and destroj' 

 the tip grains. Their in- 

 jury consists, not only in 

 the grains destroyed (Fig. 

 102), but in admitting 

 rain to the ear and possi- 

 bly in giving easier access 

 to weevils. The remedy 

 usually recommended is 

 lilowing the land in the 

 late fall or winter. The 

 object in this is to break 

 up the burrows under- 

 ground in which this in- 



Fic. lf«.-THP, Con^ Ear-worm ^^^.^^ in the chrvsaHs, Or 



PREYIN(.J ON THE 1 ENDER L/EAVES _ _ ' 



OF Corn. pupal condition, spends 



