Bui. 5K Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate I. 



Fig 



Stages of Mexican Cotton Boll Weevil. 



1 Cotton boll weevil, back view of adult; fig. 2, side view of adult; fig. 3, .„„, 

 "side view of larva; fig. 5, ventral view of pupa; fig. 6, adult, with wmgs spread— all 

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



5, egg; fig. 4, 



