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Chidawanyika F, Terblanche JS. Costs and benefits of thermal acclimation for codling moth, Cydia pomonella (Lepidoptera: Tortricidae): implications for pest control and the sterile insect release programme. Evol Appl. 2010;4(4):534-44doi: 10.1111/j.1752-4571.2010.00168.x.
Chidawanyika, F., & Terblanche, J. S. (2011). Costs and benefits of thermal acclimation for codling moth, Cydia pomonella (Lepidoptera: Tortricidae): implications for pest control and the sterile insect release programme. Evolutionary applications, 4(4), 534-44. https://doi.org/10.1111/j.1752-4571.2010.00168.x
Chidawanyika, Frank, and Terblanche, John S. "Costs and benefits of thermal acclimation for codling moth, Cydia pomonella (Lepidoptera: Tortricidae): implications for pest control and the sterile insect release programme." Evolutionary applications vol. 4,4 (2011): 534-44. doi: https://doi.org/10.1111/j.1752-4571.2010.00168.x
Chidawanyika F, Terblanche JS. Costs and benefits of thermal acclimation for codling moth, Cydia pomonella (Lepidoptera: Tortricidae): implications for pest control and the sterile insect release programme. Evol Appl. 2011 Jul;4(4):534-44. doi: 10.1111/j.1752-4571.2010.00168.x. Epub 2010 Nov 27. PMID: 25568003; PMCID: PMC3352424.
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Evol Appl. 2011 Jul;4(4):534-44. doi: 10.1111/j.1752-4571.2010.00168.x. Epub 2010 Nov 27.

Costs and benefits of thermal acclimation for codling moth, Cydia pomonella (Lepidoptera: Tortricidae): implications for pest control and the sterile insect release programme.

Evolutionary applications

Frank Chidawanyika, John S Terblanche

Affiliations

  1. Department of Conservation Ecology and Entomology, Faculty of AgriSciences, Stellenbosch University Matieland, South Africa.

PMID: 25568003 PMCID: PMC3352424 DOI: 10.1111/j.1752-4571.2010.00168.x

Abstract

Sterile insect release (SIR) is used to suppress insect pest populations in agro-ecosystems, but its success hinges on the performance of the released insects and prevailing environmental conditions. For example, low temperatures dramatically reduce SIR efficacy in cooler conditions. Here, we report on the costs and benefits of thermal acclimation for laboratory and field responses of codling moth, Cydia pomonella. Using a component of field fitness, we demonstrate that low temperature acclimated laboratory-reared moths are recaptured significantly more (∼2-4×) under cooler conditions in the wild relative to warm-acclimated or control moths. However, improvements in low temperature performance in cold-acclimated moths came at a cost to performance under warmer conditions. At high ambient temperatures, warm-acclimation improved field performance relative to control or cold-acclimated moths. Laboratory assessments of thermal activity and their limits matched the field results, indicating that these laboratory assays may be transferable to field performance. This study demonstrates clear costs and benefits of thermal acclimation on laboratory and field performance and the potential utility of thermal pretreatments for offsetting negative efficacy in SIR programmes under adverse thermal conditions. Consequently, the present work shows that evolutionary principles of phenotypic plasticity can be used to improve field performance and thus possibly enhance pest control programmes seeking increased efficacy.

Keywords: competitiveness; field fitness; performance; release-recapture; sterile insect release

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