4. 
Tubercles I and II of abdominal segments with spines (A); 
mandible with a broad plate on oral surface (B). 

A B 
Mexico and West Indies. 
Hosts: Cotton (bolls), beans, okra, peas, pepper, and tomato, 
Heliothis virescens (F.) 
Tubercles I and II of abdominal segments without spines (A); 
mandible without broed plate on oral surface, usually a tooth- 
like projection on the second rib (B). 

A B 
Mexico, West Indies, and South America, 
Hosts: Beans, corn, cotton, lettuce, peas, pepper, and tomato. 
Heliothis zea (Boddie) 
Skin with flattened granules (A); sclerotized plates at bases of 
body setae moderately large and flat or slightly convex (B); 
[adfrontal area and that along longitudinal ridge white or pale, 
appearing as an inverted y (A) (c).] 

Mexico, 
Hosts: Corn, cotton, beans, grasses, kale, rape, spinach, and 
sugarcane, 
Laphygma frugiperda (J.E. Sm.) 
