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Keywords:

  • Anastrepha ludens ;
  • induction of sterility;
  • mating;
  • sterile insect technique

Abstract

The release of sterile males to suppress the Mexican fruit fly Anastrepha ludens (Loew) population was simulated in field cages to compare the sexual performance of sterile males with wild females in the presence and absence of sterile females. Using different release ratios of sterile and wild individuals, this study showed that the presence of sterile females negatively affected the sexual performance of sterile males in mating with wild females. We found that the sterility induced was proportional to the magnitude of the sterile/fertile ratio. These results indicate that the release of sterile males without sterile females can significantly improve the efficiency of the sterile insect technique for the control of A. ludens.