INSECTS IXJURIOUS TO COTTON, 



189 



When first emerged from the eggs the young larvae are 

 of a pale yellow color, but soon assume a greenish tinge, 

 and are marked with dark spots, which become more dis- 

 tinct after the first molt. Thev then become marked as 



Fig. 104.— Egg of Cotton Worm- 

 moth, a, top view; h, side view; 

 greatly enlarged. (From 

 Fourth Kept. U. S. Entom. 

 Comm.) 



Fig. 105. — Cotton-caterpillar. 

 a, from side; h, from above 

 — t w i c e natural size. 

 (Fourth Kept. U. S. Entom. 

 Comm.) 



when adult, being more or less striped with black and are 

 distinctly greenish. During the early season the green 

 worms are the more common, while later the black forms 

 predominate. The appetites of these caterpillars are only 

 too well known to the cotton-grower. At first they are 

 content with eating only the under surfaces of the leaves, 

 occasionally piercing through. Then the leaves commence 



