Bui. 45, Div. C'f Entomology, U. S. Dept. of Agiiculture. 



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

 natural size; fig. 24, larva de.stroying the ovary and preventing the bloom in large squares 

 natural .size; fig. '2r>, leaf fed upon by weevils in confinement, one-half natural .size- fig ''6 

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



