FOOD SUPPLY 55 



egg plant, both of whicli are species of the same genus, al- 

 though it occasionally afi'ects tobacco. On the other hand, 



Fig. i7. Ilelioihis obsolfta, variously kii'iwn a^ the coUon biill-woiiii, torn car-wiinii, 

 tobacco bud-worm, etc Moth is shown aliuvf; below, the larva feeding in a cotton boll. 



the tomato is frequently injured by a large caterpillar known 

 as the tomato fruit-worm {Ileliothifi obsuleta) (P'ig. -27) which 



