Efficacy of aerosol applications of methoprene and synergized pyrethrin against Tribolium castaneum adults and eggs

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dc.contributor.author Tucker, Angela M.
dc.contributor.author Campbell, James F.
dc.contributor.author Arthur, Frank H.
dc.contributor.author Zhu, Kun Yan
dc.date.accessioned 2014-08-20T20:38:51Z
dc.date.available 2014-08-20T20:38:51Z
dc.date.issued 2014-08-20
dc.identifier.uri http://hdl.handle.net/2097/18272
dc.description.abstract Experiments were performed to determine the efficacy of a single aerosol application of the insecticides methoprene and piperonyl butoxide-synergized pyrethrin, alone or in combination, and the insecticide carrier, Isopar M, against Tribolium castaneum (Herbst), the red flour beetle. The initial test exposed adults to insecticide treatments and placed male/female pairs in flour. All adults exposed to synergized pyrethrin were knocked down for at least 24 h after exposure but they recovered. High adult survival and similar average numbers of living F1 progeny were produced regardless of treatment exposure. In a separate test, insecticide treatments were directly applied to newly laid eggs, which resulted in the suppression of egg hatch. Synergized pyrethrin was the most effective insecticide (P ≤ 0.001) for suppressing egg hatch. The effect of flour on insecticide activity to eggs and consequent insect development was also evaluated. An amount of 0.01 g of flour in the exposure arena, 62-cm2 area, was not sufficient for individuals to develop beyond the early larval stages, regardless of the treatment. As the flour amount in the arena increased from 1 to 5 g, the number of eggs that could develop to the adult stage increased, but this number was significantly lower in the insecticide treatments than in the control or carrier treatments. The results of the later tests indicate a high efficacy of the insecticides alone or in combination on T. castaneum egg hatch and development to the adult stage. en_US
dc.language.iso en_US en_US
dc.relation.uri http://dx.doi.org/10.1603/EC13507 en_US
dc.rights Permission to archive granted by Entomological Society of America, July 17, 2014. This article is the copyright property of the Entomological Society of America and may not be used for any commercial or other private purpose without specific written permission of the Entomological Society of America. en_US
dc.subject Tribolium castaneum en_US
dc.subject Methoprene en_US
dc.subject Synergized pyrethrin en_US
dc.subject Efficacy en_US
dc.subject Aerosol application en_US
dc.title Efficacy of aerosol applications of methoprene and synergized pyrethrin against Tribolium castaneum adults and eggs en_US
dc.type Article (publisher version) en_US
dc.date.published 2014 en_US
dc.citation.doi doi:10.1603/EC13507 en_US
dc.citation.epage 1291 en_US
dc.citation.issue 3 en_US
dc.citation.jtitle Journal of Economic Entomology en_US
dc.citation.spage 1284 en_US
dc.citation.volume 107 en_US
dc.contributor.authoreid campbell en_US
dc.contributor.authoreid fha en_US
dc.contributor.authoreid kzhu en_US

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