Bui. 74, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate III. 



Signs Determining Boll Weevil Emergence or Entrance of Ant Solenopsis 



geminata. 



Fig. 1.— Emergence hole of boll weevil in cotton square. Fig. 2.— ^Entrance holes of ants in 

 squares. Fig. 3.— Evidences of adult activity in square from which weevil emerged. 

 Fig. 4.— Clean interior of square entered by ants. Fig. 5.— The three evidences of adult 

 weevil activity, removed from square: ". Shed pupal skin; /). refuse formed in cutting emer- 

 gence hole; c, excrement of unfed, young adult. All, except fig. 'J, enlarged to I diameters; 

 fig. '2. enlarged to 2 diameters. (Original. I 



