How sterile insects might be employed to control populations of certain 



species 26 



Boll weevil 26 



Significant features about the boll weevil that have a bearing 

 on the feasibility of employing sterile insects for population 



control 27 



Cost analysis 34 



Tobacco hornworm 35 



Significant features of the insect that have a bearing on the 



possible use of sterile insects for population control 35 



Tsetse flies 37 



Release of sterile males alone for eliminating low-level 



populations 38 



The use of sterile males integrated with other control methods .... 39 



Mass-rearing of tsetse flies 42 



References 45 



IV 



