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6 October 2016 Sublethal Concentration of Beta-Cypermethrin Influences Fecundity and Mating Behavior of Carposina sasakii (Lepidoptera: Carposinidae) Adults
Lin-fa Quan, Gui-Sheng Qiu, Huai-Jiang Zhang, Li-Na Sun, Yan-Yan Li, Wen-Tao Yan
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Abstract

The purpose of this study was to evaluate the sublethal effects of the beta-cypermethrin on calling behavior and fecundity of a major fruit-boring pest of apple, Carposina sasakii Matsumura. The mating rate, fertility (total number of eggs laid per female), and adult longevity of adults were remarkably decreased as compared with that in control when the adults were exposed to 10% lethal concentrations (LC10) of beta-cypermethrin (LC10♀ × LC10♂), and the age-specific survival rate (lx ) was also negatively affected by sublethal beta-cypermethrin especially for the LC10♀× LC10♂ mating combination. However, the age-specific fecundity (mx ) was stimulated particularly in the combination of CK♀× LC10♂. Furthermore, the oviposition period was prolonged and the number of eggs was significantly increased for combinations of CK♀× LC10♂ and LC10♀× CK♂. In the mating experiments, males in control or LC10-beta-cypermethrin treatments preferred to mate with females in control. It might be because of lower calling rate of female survivors treated with sublethal beta-cypermethrin. Our data indicate that treatment of beta-cypermethrin had a sublethal effect on the development and production of C. sasakii, and their mating behavior changes in surviving adults that may contribute to assortative mating.

© The Authors 2016. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Lin-fa Quan, Gui-Sheng Qiu, Huai-Jiang Zhang, Li-Na Sun, Yan-Yan Li, and Wen-Tao Yan "Sublethal Concentration of Beta-Cypermethrin Influences Fecundity and Mating Behavior of Carposina sasakii (Lepidoptera: Carposinidae) Adults," Journal of Economic Entomology 109(5), 2196-2204, (6 October 2016). https://doi.org/10.1093/jee/tow170
Received: 12 April 2016; Accepted: 4 July 2016; Published: 6 October 2016
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KEYWORDS
calling behavior
Carposina sasakii
mating choice
production
sublethal effect
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