Tribolium castaneum (Coleoptera: Tenebrionidae) associated with rice mills: fumigation efficacy and population rebound

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dc.contributor.author Buckman, Karrie A.
dc.contributor.author Campbell, James F.
dc.contributor.author Subramanyam, Bhadriraju
dc.date.accessioned 2013-04-12T14:30:10Z
dc.date.available 2013-04-12T14:30:10Z
dc.date.issued 2013-04-12
dc.identifier.uri http://hdl.handle.net/2097/15498
dc.description.abstract The red flour beetle, Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae), is the most important stored-product insect pest infesting rice (Oryza sativa L.) mills in the United States. Due to the phasing out of methyl bromide in accordance with the 1987 Montreal Protocol, the efficacy of alternative fumigants in controlling flour beetles in mill structures must be evaluated. Long-term trapping data sets (2-6 yr) of T. castaneum in and around seven rice mills were analyzed to assess the efficacy of sulfuryl fluoride fumigation (n = 25). Fumigation efficacy was evaluated as the percentage reduction in mean trap captures of adults and proportion of traps capturing at least one adult beetle. Beetle trap captures fluctuated seasonally, with increased captures during the warmer months, June-September, that dropped off during the cooler months, October-March. Fumigations resulted in a 66 ± 6% (mean ± SE) reduction in mean trap captures within mills and a 52 ± 6% reduction in the proportion of traps capturing at least one adult beetle. Lengths of time for captures to reach prefumigation levels, or rebound rates, were variable, and adult capture levels inside were most influenced by seasonal temperature changes. Temperatures inside mills followed those outside the mill closely, and a significant positive relationship between outside temperatures and trap captures was observed. Inside and outside trap captures exhibited a significant, positive relationship, but fumigations consistently led to reductions in beetle captures outside of mills, highlighting the interconnectedness of populations located inside and outside mill structures. en_US
dc.language.iso en_US en_US
dc.relation.uri http://esa.publisher.ingentaconnect.com/content/esa/jee/2013/00000106/00000001/art00061 en_US
dc.rights Permission to archive granted by the Entomological Society of America, April 1, 2013. 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 Red flour beetle en_US
dc.subject Fumigation en_US
dc.subject Sulfuryl fluoride en_US
dc.subject Pheromone trap en_US
dc.subject Monitoring en_US
dc.title Tribolium castaneum (Coleoptera: Tenebrionidae) associated with rice mills: fumigation efficacy and population rebound en_US
dc.type Article (publisher version) en_US
dc.date.published 2013 en_US
dc.citation.doi doi:10.1603/EC12276 en_US
dc.citation.epage 512 en_US
dc.citation.issue 1 en_US
dc.citation.jtitle Journal of Economic Entomology en_US
dc.citation.spage 499 en_US
dc.citation.volume 106 en_US
dc.contributor.authoreid sbhadrir en_US
dc.contributor.authoreid campbell en_US


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