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The observation that honey bee queens are highly vulnerable to these common neonicotinoid pesticides is worrisome, but not surprising, says senior author Laurent Gauthier from the Swiss Confederation's Agroscope: 'Beekeepers frequently cite poor queen health as a major cause of colony death each year.' The study shows profound effects on queen physiology, anatomy, and overall reproductive success.hroughout the northern hemisphere beekeepers have struggled to maintain adequate numbers of honey bee colonies for crop pollination and honey production due to dramatic increases in colony deaths each year. Recent surveys of beekeepers suggest that poor queen health is an important reason for these losses, but why queen health is now being affected is not understood.
A research team from Bern, Switzerland and Wolfville, Canada has found that honey bee queens, which are crucial to colony functioning, are severely affected by two neonicotinoid insecticides. In 2013, governments in Europe moved to partially restrict the use of these neonicotinoids while further risks assessments could be performed. The province of Ontario, Canada followed suit in 2015.
TThe observation that honey bee queens are highly vulnerable to these common neonicotinoid pesticides is worrisome, but not surprising, says senior author Laurent Gauthier from the Swiss Confederation's Agroscope: 'Beekeepers frequently cite poor queen health as a major cause of colony death each year.' The study shows profound effects on queen physiology, anatomy, and overall reproductive success.hroughout the northern hemisphere beekeepers have struggled to maintain adequate numbers of honey bee colonies for crop pollination and honey production due to dramatic increases in colony deaths each year. Recent surveys of beekeepers suggest that poor queen health is an important reason for these losses, but why queen health is now being affected is not understood.A research team from Bern, Switzerland and Wolfville, Canada has found that honey bee queens, which are crucial to colony functioning, are severely affected by two neonicotinoid insecticides. In 2013, governments in Europe moved to partially restrict the use of these neonicotinoids while further risks assessments could be performed. The province of Ontario, Canada followed suit in 2015.
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