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22 May 2019 Residual Toxicity of Insecticides to Neoseiulus fallacis (Acari: Phytoseiidae) in Apples
Raja Zalinda Raja Jamil, Christine Vandervoort, John C. Wise
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Neoseiulus fallacis (Garman) is a predatory mite that is common in apple orchards and distributed throughout North America. However, N. fallacis may be susceptible to pesticides used for the management of crop pests. This study aimed to evaluate the temporal effects of commonly used insecticides on N. fallacis survival. Neoseiulus fallacis adults were exposed to field-aged residues, and mortality and lethal time were measured over 96 h of exposure. Carbaryl caused high mortality to N. fallacis and the shortest lethal time values (LT50), followed by spinetoram, with moderate lethal time values. Esfenvalerate, acetamiprid, chlorantraniliprole, and novaluron showed little to no lethality to N. fallacis following exposure to dry field-aged residues. The results of this study provide important field-relevant knowledge that is often void from laboratory-based studies, which can aid integrated pest management (IPM) decision-makers in apple production systems.

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail:
Raja Zalinda Raja Jamil, Christine Vandervoort, and John C. Wise "Residual Toxicity of Insecticides to Neoseiulus fallacis (Acari: Phytoseiidae) in Apples," Journal of Economic Entomology 112(5), 2262-2267, (22 May 2019).
Received: 26 December 2018; Accepted: 23 April 2019; Published: 22 May 2019

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field-aged residue
insecticide toxicity
lethal time
Predator mite
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