Summary
Egg implant studies on sheep demonstrate that the relative fitness of resistance genotypes of the sheep blowfly,Lucilia cuprina, changes over time for the 2 insecticides dieldrin and diazinon. The results suggest that selection may occur following exposure of larvae to sub-lethal concentrations and help to explain the relative rates of the development of resistance to dieldrin and diazinon byL. cuprina.
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Acknowledgment. We wish to thank J. Dearn, G.G. Foster, S. Hogarth-Scott and P.G. Lehman for comments on the manuscript; and A. Gardner, D. Crane, J. C. Rundel, W. Vale, P.G. Lehman for assistance in the design and execution of the experiment. We also acknowledge technical assistance by C. Roache, N. Austin and J. Fegent. Financial assistance was provided by the Australian Research Grants Committee and the Australian Wool Research Trust Fund.
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McKenzie, J.A., Whitten, M.J. Selection for insecticide resistance in the Australian sheep blowfly,Lucilia cuprina. Experientia 38, 84–85 (1982). https://doi.org/10.1007/BF01944541
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DOI: https://doi.org/10.1007/BF01944541