Bui. 74, Bureau o* Enton-oloi^y, U. S. Dopt. of Aef'Cul'. 



Plate III 



Signs Determining Boll Weevil Emergence or Entrance of Ant Solenopsis 



geminata. 



Fi),'. 1.— i:mergence hole of Ijoll wt-cvil in cotton sqnare. Fif,'. 'J.— Kntranfo liolcs ol ants in 

 sqnarcs. Fig. :i— Fvidcnces of adnlt activity in sqnarc from wliicli weevil emerf,'efl. 

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

 weevil activity, removed from square: a. Shed i)U|)al skin: b. refu.se formed in cutting emer- 

 gence hole: ^.'excrement of unfed, young adult. All, excei)t tig. 2, enlarged to 4 diameters; 

 tig. 2, enlarged to 2 diameters, (f)rigiiuil.) 



