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



Plate 



Stages of Mexican Cotton Boll Weevil. 



Fig. 1, Cotton boll weevil, back view of adult; fig. 

 side view of larva; fig. 5. ventral view of ™ 



:, side view of adult: fig. 3. egg: fig. 4, 

 ,. A pupa: fig. 6. adult, with wings spread— all 

 except fig. 3 enlarged to four diameters; fig. 3 enlarged to twelve diameters (original). 



