Bui. 50, Bureau of Entornolos-y, U. S. Dept of Agriculture. 



Plate XVI. 



Insects Sometimes Mistaken for the Bollworm. 



Fig. 1, Cotton square attacked by caterpillar of Calyeopls cecrups; tig. 2, larva of Prodaua ornitho- 

 galli, injurious to cotton square; fig. 3, larger larva of same species, boring into a large boll; 

 fig. 4, adult moths of the same— all figures enlarged about one-half (original). 



