50, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate III. 



Stages in the Life History of the Bollworm. 



Fig. 1, Eggs on corn silks; ligs. 2-7, larvae, first to sixth instars, respectively: fig. 8, pupa; 

 fig. 9, adult female moth— all figures enlarged one-fourth (original). 



