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Does imidacloprid seed-treated maize have an impact on honey bee mortality?

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dc.contributor.author Nguyen, B. K.
dc.contributor.author Saegerman, C.
dc.contributor.author Pirard, C.
dc.contributor.author Mignon, J.
dc.contributor.author Widart, J.
dc.contributor.author Thirionet, B.
dc.contributor.author Verheggen, F. J.
dc.contributor.author Berkvens, D.
dc.contributor.author De Pauw, E.
dc.contributor.author Haubruge, E.
dc.date.accessioned 2009-05-18T11:40:50Z
dc.date.available 2009-05-18T11:40:50Z
dc.date.issued 2009
dc.identifier.issn 0022-0493
dc.identifier.doi http://dx.doi..org/10.1603/029.102.0220
dc.identifier.other ITG-A8A
dc.identifier.other ANIMAL
dc.identifier.other U-ANIMAL
dc.identifier.other JIF
dc.identifier.other UPD13
dc.identifier.other ABSTRACT
dc.identifier.other DOI
dc.identifier.uri http://hdl.handle.net/10390/2640
dc.description.abstract Beekeepers suspected maize, Zea mays L., treated with imidacloprid to result in substantial loss of honey bee (Hymenoptera: Apidae) colonies in Belgium. The objective of this study was to investigate the potential impact of maize grown from imidacloprid-treated seeds on honey bee mortality. A survey of 16 apiaries was carried out, and all maize fields treated or not with imidacloprid were located within a radius of 3,000 m around the observed apiaries. Samples of honey, beeswax, and bees were collected in three colonies per apiary and analyzed for pesticide contain by liquid chromatography-tandem mass spectrometry and gas chromatography-tandem mass spectrometry. We first found a significant correlation between the number of colonies per apiary and the mortality rates in an apiary. In addition, this mortality rate was inversely correlated with the surface of maize fields treated and not with imidacloprid, suggesting that this pesticide do not interact with bees' fitness. Moreover, a very large number of our samples contained acaricides either prohibited or ineffective against Varroa destructor (Anderson & Trueman) (Acari: Varroidae), suggesting that the treatment methods used by the beekeepers to be inadequate for mite control. Our results support the hypothesis that imidacloprid seed-treated maize has no negative impact on honey bees. en
dc.language English en
dc.publisher Entomological Society of America en
dc.subject Food crops en
dc.subject Maize en
dc.subject Pesticides en
dc.subject Systemic en
dc.subject Imidacloprid en
dc.subject Impact assessment en
dc.subject Bees en
dc.subject Mortality rates en
dc.subject Europe en
dc.title Does imidacloprid seed-treated maize have an impact on honey bee mortality? en
dc.type Article en
dc.citation.issue 2 en
dc.citation.jtitle Journal of Economic Entomology en
dc.citation.volume 102 en
dc.citation.pages 616-623 en
dc.citation.jabbreviation J Econ Entomol en


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