PLATE Vli 



Cotton Stem- borer {S/>/ie nop/cm ncgkcta, Klug) 



1. Egg 2. Larva 



3. Pupa 4. Adult 



n. Portion of stem of cotton plant, showing egg {a) and exit hole of adult (/•) 



fi. Longitudinal section of stem of cotton plant showing tunnels niade by borers 



Suiaii illustrations indicate natural sizes 



