Bui. 1 14, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate IV. 



The Adult Boll Weevil and Emergence Holes. 



a, Squares of Peruvian cotton, showing emergence holes of the Peruvian cotton-square weevil; 

 b, square of upland cotton, showing emergence hole of the cotton-boll weevil; c, adult boll 

 weevil on cotton square; d, adult boll weevil puncturing cotton square; e, adult boll weevil 

 emerging from cotton boll; /, small dry bolls, showing emergence holes; g, hull of boll, with 

 weevils found hibernating. (Original.) 



