5ul. 45, Div. of Entomology, U. S. Dept. of Agiicultur 



Plate IV. 



Breeding Jar and Method of Escape of Adults from Squares and Bolls. 



Fig. 21, Emergence hole made by weevil in square, natural size; fig. 22, weevil escaping nor- 

 mally from boll, two-thirds natural size; fig. 23, apparatus used in breeding weevils, one-fourth 

 natural size: fig. 24, larva destroying the ovary and preventing the bloom in large squares, 

 natural size: fig. 25, leaf fed upon by weevils in confinement, one-half natural size; fig. 26, 

 emergence hole of weevil from boll which never opened, two-thirds natural size. (Original.) 



