Role of Population and Behavioural Ecology in the Sterile Insect Technique

  • Y. Itô
  • K. Yamamura


The principles of population and behavioural ecology in relation to the application of the sterile insect technique (SIT) for eradication of a pest are explained. These include: (1) a logistic population model for estimation of the population fluctuation of target animals and the number of sterile males to be released for successful eradication, (2) mark-recapture estimations of density and mortality rate of the target population, especially for remote areas, where repeated releases and recaptures are difficult, (3) models of dispersal to assess dispersal distance of target animals, and (4) equations for estimating the decrease of sexual competitiveness of mass-reared strains under field conditions. The method to estimate dispersal distance curves when attraction areas of traps are overlapping, and changes in mate-choice of wild females resulting from inadvertent selection when the SIT is applied, are explained. The necessity of field estimation of sexual competitiveness of released sterile males is also emphasized.

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Copyright information

© IAEA. Springer 2005

Authors and Affiliations

  • Y. Itô
    • 1
  • K. Yamamura
    • 2
  1. 1.AichiJapan
  2. 2.Laboratory of Population EcologyNational Institute for Agro-Environmental SciencesTsukubaJapan

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