A worldwide survey of neonicotinoids in honey
E. A. D. Mitchell, B. Mulhauser, M. Mulot, A. Mutabazi, G. Glauser, A. Aebi
Science 06 Oct 2017:
Vol. 358, Issue 6359, pp. 109-111
DOI: 10.1126/science.aan3684
Abstract- Growing evidence for global pollinator
decline is causing concern for biodiversity conservation and ecosystem services
maintenance. Neonicotinoid pesticides have been identified or suspected as a
key factor responsible for this decline. We assessed the global exposure of
pollinators to neonicotinoids by analyzing 198 honey samples from across the
world. We found at least one of five tested compounds (acetamiprid,
clothianidin, imidacloprid, thiacloprid, and thiamethoxam) in 75% of all
samples, 45% of samples contained two or more of these compounds, and 10%
contained four or five. Our results confirm the exposure of bees to
neonicotinoids in their food throughout the world. The coexistence of
neonicotinoids and other pesticides may increase harm to pollinators. However,
the concentrations detected are below the maximum residue level authorized for
human consumption (average ± standard error for positive samples: 1.8 ± 0.56
nanograms per gram).
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