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1 February 2013 Insecticide Resistance and Malaria Vector Control: The Importance of Fitness Cost Mechanisms in Determining Economically OptimalControl Trajectories
Zachary S. Brown, Katherine L. Dickinson, Randall A. Kramer
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Abstract

The evolutionary dynamics of insecticide resistance in harmful arthropods has economic implications, not only for the control of agricultural pests (as has been well studied), but also for the control of disease vectors, such as malaria-transmitting Anopheles mosquitoes. Previous economic work on insecticide resistance illustrates the policy relevance of knowing whether insecticide resistance mutations involve fitness costs. Using a theoretical model, this article investigates economically optimal strategies for controlling malaria-transmitting mosquitoes when there is the potential for mosquitoes to evolve resistance to insecticides. Consistent with previous literature, we find that fitness costs are a key element in the computation of economically optimal resistance management strategies. Additionally, our models indicate that different biological mechanisms underlying these fitness costs (e.g., increased adult mortality and/or decreased fecundity) can significantly alter economically optimal resistance management strategies.

© 2013 Entomological Society of America
Zachary S. Brown, Katherine L. Dickinson, and Randall A. Kramer "Insecticide Resistance and Malaria Vector Control: The Importance of Fitness Cost Mechanisms in Determining Economically OptimalControl Trajectories," Journal of Economic Entomology 106(1), 366-374, (1 February 2013). https://doi.org/10.1603/EC11365
Received: 28 October 2011; Accepted: 1 September 2012; Published: 1 February 2013
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