How Residual Fertility Impacts the Efficiency of Crop Pest Control by the Sterile Insect Technique
by Marine A. Courtois, Ludovic Mailleret, Suzanne Touzeau, Louise van Oudenhove, and Frédéric Grognard
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The sterile insect technique (SIT) is a pest control method. It reduces pest populations through the release of sterilized males that disrupt reproduction by preventing females from producing viable offspring. Our study examines how residual fertility—when sterilized males retain some fertility—affects SIT success. Using mathematical models, we identified residual fertility thresholds: (1) below which pest eradication is achievable, and (2) below which only population reduction can be obtained. This research enhances SIT implementation strategies by providing insights into the balance between residual fertility and sterile male attractiveness. These findings help develop stronger pest control strategies for sustainable agriculture.
Optimizing sterile insect technique (SIT): managing residual fertility.
