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28 February 2018 11:17:03 |Agri Safety,Bees and Beekeeping,Crops and Cereals,News

Neonicotinoid risk to bees confirmed in new EFSA assessment


The new conclusions update those published in 2013, after which the European Commission imposed controls on use of the substances

The new conclusions update those published in 2013, after which the European Commission imposed controls on use of the substances

Most uses of neonicotinoid pesticides represent a risk to wild bees and honeybees, according to assessments published today by the EFSA.
The Europe Food Standards Agency (EFSA) has updated its risk assessments of three neonicotinoids – clothianidin, imidacloprid and thiamethoxam – that are currently subject to restrictions in the EU because of the perceived threat they pose to bees.
These new conclusions update those published in 2013, after which the European Commission imposed controls on use of the substances.
For the new assessments, which this time cover wild bees – bumblebees and solitary bees – as well as honeybees, EFSA’s Pesticides Unit carried out a data collection exercise to gather all the scientific evidence published since the previous evaluations.
The team also applied the guidance document developed by EFSA specifically for the risk assessment of pesticides and bees.

'Very detailed'
Jose Tarazona, Head of EFSA’s Pesticides Unit, said: “The availability of such a substantial amount of data as well as the guidance has enabled us to produce very detailed conclusions.
“There is variability in the conclusions, due to factors such as the bee species, the intended use of the pesticide and the route of exposure. Some low risks have been identified, but overall the risk to the three types of bees we have assessed is confirmed.”
EFSA finalised its conclusions following two separate consultations with pesticide experts in the EU Member States. The experts have supported the conclusions.
As with the previous assessments, exposure of bees to the substances was assessed via three routes: residues in bee pollen and nectar; dust drift during the sowing/application of the treated seeds; and water consumption.
EFSA’s conclusions will be shared with risk managers from the European Commission and Member States, who will consider potential amendments to the current restrictions on the use of these pesticides.
'Unworkable guidance'

Multinational agri-giant Bayer said it "fundamentally disagrees" with EFSA’s updated risk assessment conclusion.
It said the findings place it "outside the current mainstream science" on bee health, as represented by recent similar assessments done by agencies such as the U.S. EPA and Canadian PMRA.
These assessments show that neonicotinoid products can be used by farmers to protect their crops without harming honey bee colonies.
In a statement, Bayer said: "Unfortunately, EFSA chose to base its assessment on an unworkable guidance document that makes it impossible to field a study that would not find risk, despite repeated requests by Member States for a review of this guidance.
"EFSA’s conclusions can therefore not be used as a measuring stick to justify further neonicotinoid restrictions. While challenges to bee health remain due to a number of factors, the fact remains that the total number of beehives in the EU is continuing to rise."




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