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1 April 2010 Evaluation of the Efficacy of an Insecticidal Paint Based on Chlorpyrifos and Pyriproxyfen in a Microencapsulated Formulation Against Rhynchophorus ferrugineus (Coleoptera: Curculionidae)
E. Llácer, O. Dembilio, J. A. Jacas
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Abstract

The weevil Rhynchophorus ferrugineus (Olivier) (Coleoptera: Curculionidae) is an important pest of palms. It has recently colonized the Mediterranean Basin where it is a serious problem on ornamental Phoenix canariensis (hort. ex Chabaud) palms. The efficacy of an insecticidal paint based on chlorpyrifos and pyriproxyfen in a microencapsulated formulation (Inesfly IGR FITO, Industrias Químicas Inesba S.L., Paiporta, Spain) against this weevil has been studied, Laboratory results proved that pyriproxyfen has no effect against R. ferrugineus when applied in this microen-capsulated formulation, Semifield trials dismissed Inesfly IGR FITO as a curative insecticide but showed the potential of this product in the preventative control of R. ferrugineus in palms. One single application could prevent infestation for up to 6 mo with a mean efficacy of 83.3%.

© 2010 Entomological Society of America
E. Llácer, O. Dembilio, and J. A. Jacas "Evaluation of the Efficacy of an Insecticidal Paint Based on Chlorpyrifos and Pyriproxyfen in a Microencapsulated Formulation Against Rhynchophorus ferrugineus (Coleoptera: Curculionidae)," Journal of Economic Entomology 103(2), 402-408, (1 April 2010). https://doi.org/10.1603/EC09310
Received: 15 September 2009; Accepted: 1 November 2009; Published: 1 April 2010
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