Bui. 45, Div. of Entomology, U. S. Dept. of Agriculture. 



Plate III. 



Developmental Stages and Work of the Boll Weevil. 



Fig. 13, Two boll weevils feeding on a square, natural ,size; fig. 14, egg isolated, 25 times natural 

 size; fig. 15, full-grown larva in square, natural size; fig. 16, full-grown larva i.solated, natural 

 size; fig. 17, pupa, twice natural size; fig. 18, adult just transformed, natural size; fig. 19, large 

 larvae in large boll, two-thirds natural size; fig. 20, pupal cell in boll, broken open, twice natural 

 size. (Original.) 



