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



Plate V. 



Weevils Escaping from Square and Boll. 



Fig. 18, Weevil in act of emerging from square; fig. 19, weevil in act of emerging from boll, 

 tagged record attached: fig. 20, square showing emergence hole of weevil: fig. 21, unopened 

 boll showing emergence hole of weevil: fig. 22, convenient cage used in breeding weevils 



- in the laboratory; fig. 23, weevils feeding extensively on medium-sized boll — all except fig. 

 22 reduced to tvvo-thirds natural diameter; fig. 22 reduced to one-third diameter (original). 



