Improving Estimates of Fried’s Index from Mating Competitiveness Experiments

Dan Pagendam (), Nigel Snoad, Wen-Hsi Yang, Michal Segoli, Scott Ritchie, Brendan Trewin and Nigel Beebe
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Dan Pagendam: CSIRO Data61, EcoSciences Precinct
Nigel Snoad: Verily Life Sciences
Wen-Hsi Yang: University of Queensland
Michal Segoli: Ben-Gurion University of the Negev
Scott Ritchie: James Cook University
Brendan Trewin: CSIRO Health and Biosecurity, EcoSciences Precinct
Nigel Beebe: CSIRO Health and Biosecurity, EcoSciences Precinct

Journal of Agricultural, Biological and Environmental Statistics, 2018, vol. 23, issue 4, No 2, 446-462

Abstract: Abstract Sterile insect technique (SIT) and incompatible insect technique (IIT) are current methods for biological control of insect populations. Critical to the successful implementation of these biocontrol programs is quantifying the competitiveness of sterile/incompatible male insects for female mates relative to wildtype males. Traditionally, entomologists measure this mating competitiveness through a quantity known as Fried’s Index. We establish that Fried’s Index is mathematically equivalent to the mating competitiveness coefficient that features in many population models used in SIT/IIT programs. Using this insight, we propose a new approach for estimating Fried’s Index from mating competitiveness experiments. We show that this approach offers greater precision and accuracy than the traditional approach that is currently used in many studies. This is demonstrated using both simulation experiments and by analysing real experimental data. To facilitate uptake of the proposed method, we also provide an R package that can be used to easily analyse data from mating competitiveness experiments.

Keywords: SIT; IIT; Competition; Aedes; Aegypti; Bayesian (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s13253-018-0333-x

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