Critical death of honeybee colonies caused by insecticides

if the bees go, so do I!

save the bees!


The mysterious vanishing of honeybees from hives can be directly linked to insecticide use, according to new research from Harvard University. The scientists showed that exposure to two neonicotinoids, the world’s most widely used class of insecticide, lead to half the colonies studied dying, while none of the untreated colonies saw their bees disappear…

The loss of honeybees in many countries in the last decade has caused widespread concern because about three-quarters of the world’s food crops require pollination. The decline has been linked to loss of habitat, disease and pesticide use. In December 2013, the European Union banned the use of three neonicotinoids for two years.

In the new Harvard study[.pdf], published in the Bulletin of Insectology, the scientists studied the health of 18 bee colonies in three locations in central Massachusetts from October 2012 till April 2013. At each location, two colonies were treated with realistic doses…

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