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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
From:
Ghislain De Roeck <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Sat, 10 Mar 2012 15:09:42 +0100
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ABSTRACT

Since seed coating with neonicotinoid insecticides was introduced in the 
late 1990s, European
beekeepers have reported severe colony losses in the period of corn sowing 
(spring). As a consequence,
seed-coating neonicotinoid insecticides that are used worldwide on corn 
crops have been blamed for
honey bee decline. In view of the currently increasing crop production, and 
also of corn as a renewable
energy source, the correct use of these insecticides within sustainable 
agriculture is a cause of concern.
In this paper, a probable -but so far underestimated -route of environmental 
exposure of honey bees to
and intoxication with neonicotinoid insecticides, namely the atmospheric 
emission of particulate matter
containing the insecticide by drilling machines, has been quantitatively 
studied. Using optimized
analytical procedures, quantitative measurements of both the emitted 
particulate and the consequent
direct contamination of single bees approaching the drilling machine during 
the foraging activity have
been determined. Experimental results show that the environmental release of 
particles containing
neonicotinoids can produce high exposure levels for bees, with lethal 
effects compatible with colony
losses phenomena observed by beekeepers.



Andrea Tapparo, Daniele Marton, Chiara Giorio, Alessandro Zanella,
Lidia Soldą, Matteo Marzaro, Linda Vivan, and Vincenzo Girolami
Environ. Sci. Technol., Just Accepted Manuscript . DOI: 10.1021/es2035152 . 
Publication Date (Web): 31 Jan 2012
Downloaded from http://pubs.acs.org on February 6, 2012
Environmental Science & Technology is published by the American Chemical 
Society.
1155 Sixteenth Street N.W., Washington, DC 20036

Published by American Chemical Society. Copyright © American Chemical 
Society.
However, no copyright claim is made to original U.S. Government works, or 
works
produced by employees of any Commonwealth realm Crown government in the 
course
of their duties.
Universitą degli Studi di Padova, Dipartimento di Scienze Chimiche, via 
Marzolo 1, 35131, Padova, Italy. [log in to unmask]
Universitą degli Studi di Padova, Dipartimento di Agronomia Animali Alimenti 
Risorse Naturali e 31 Ambiente, Agripolis - viale dell'Universitą 16, 35020 
Legnaro (Padova), Italy.

 Kind regards,

Ghislain De Roeck,
Belgium

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