Reference : Does Imidacloprid Seed-Treated Maize Have an Impact on Honey Bee Mortality?
Scientific journals : Article
Life sciences : Entomology & pest control
http://hdl.handle.net/2268/20825
Does Imidacloprid Seed-Treated Maize Have an Impact on Honey Bee Mortality?
English
Nguyen, Bach Kim mailto [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Saegerman, Claude [Université de Liège - ULg > Département des maladies infectieuses et parasitaires > Epidémiologie et analyse des risques appl. aux sc. vétér. >]
Pirard, Catherine [ > > ]
Mignon, Jacques [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Widart, Joëlle [Université de Liège - ULg > Département de pharmacie > Département de pharmacie >]
Tuirionet, B. [> > > >]
Verheggen, François mailto [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Berkvens, D. [> > > >]
De Pauw, Edwin [Université de Liège - ULg > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.) >]
Haubruge, Eric mailto [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
2009
Journal of Economic Entomology
Entomological Society of America
102
2
616-623
Yes (verified by ORBi)
International
0022-0493
College Park
MD
[en] honey bees ; mortality bees ; seed-treated maize ; pesticides ; imidacloprid
[en] 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 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 acarcides either prohibited or ineffective against varroa destructor (Anderson & Trueman) (Acari: Varroidae), suggesting that the treatment method 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.
http://hdl.handle.net/2268/20825

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