Study says insecticide used with GM corn highly toxic to bees

By Iowa Sierra Club

New research should nail the coffin lid shut on a toxic bee-killing pesticide; Entire food chain found to be contaminated, from soil to pollen to dead bees.

The Sierra Club calls on the U.S. Environmental Protection Agency (EPA) to immediately suspend the registration of the insecticide clothianidin, based on new scientific evidence of extensive contamination in bees and soil.

On January 3, 2012, scientists at Purdue University documented major adverse impacts from clothianidin, used as a seed treatment in corn, on honey bee health. The results showed clothianidin present in foraging areas long after treated seed has been planted.

The study raises questions about the long term survival of this major pollinator.

“This research should nail the coffin lid shut on clothianidin”, says Laurel Hopwood, Sierra Club’s Chairwoman of the Genetic Engineering Action Team. “Despite numerous attempts by the beekeeping industry and conservation organizations to persuade the EPA to ban clothianidin, the EPA has failed to protect the food supply for the American people.”

Tom Theobald, a founding member of the Boulder County Beekeeper’s Association explains, “In 2010, I got hold of an EPA document revealing that the agency has been allowing the widespread use of this bee-toxic pesticide, against evidence that it’s highly toxic to bees. Clothianidin has failed to meet the requirements for registration. It’s continued use is in violation of the law.”

Upon learning of the EPA’s failures, the National Honey Bee Advisory Board, the American Beekeeping Federation and The American Honey Producer’s Association urged the agency in a 12/8/2010 letter to cancel the registration of this pesticide. Yet despite the fact that clothianidin had failed a critical life cycle study which was required for registration, the agency responded in a 2/18/2011 letter stating “At this time, we are not aware of any data that reasonably demonstrates that bee colonies are subject to elevated losses due to chronic exposure to this pesticide. EPA does not intend at this time to initiate suspension or cancellation actions against the registered uses of clothianidin. If scientific information shows a particular pesticide is posing unreasonable risk to pollinators, we stand ready to take the necessary regulatory action.”

Neil Carman, PhD, scientific advisor to Sierra Club, is troubled by EPA’s complacency. “A huge shoe has dropped. U.S. researchers have documented major adverse impacts from clothianidin seed treatments in corn on honey bee health.” Carman further explains “Because of the vital role played by honey bees in crop pollination, honey bee demise threatens the production of crops that produce one-third of American diets, including nearly 100 fruits and vegetables. The value of crops pollinated by bees exceeds $15 billion in the U.S. alone.”

Hopwood exclaims, “The time is now for EPA to quit dodging the illusion of oversight and instead, cancel this bee- killing pesticide. If we travel too far down our current path, we could create conditions in our food system much like those that brought down the financial system.”

Colony Collapse Disorder (Mother Earth News)

One third of honeybee colonies are disappearing due to “colony collapse disorder.”  Two common pesticides are being linked to the disorder symptoms in honeybees.

The U.S. Environmental Protection Agency (EPA) is being sued by the nonprofit Natural Resources Defense Council (NRDC) for withholding details about the impact of neonicotinoids — a class of widely used pesticides — on honeybees and other pollinators.

The EPA identifies two specific neonicotinoids, imidacloprid and clothianidin, as highly toxic to bees. Both chemicals cause symptoms in bees such as memory loss, navigation disruption, paralysis and death.

Both chemicals have been linked in dramatic honeybee deaths and subsequent suspensions of their use in France and Germany. Several European countries have already suspended them. Last year Slovenia and Italy also suspended their use for what they consider a significant risk to honeybee populations.

While Bayer CropScience, the primary producer of both pesticides, maintains honeybee deaths reported in Europe were caused by unusual application errors, they don’t dispute the proven toxicity of their products. Instead, they maintain bees do not encounter enough of an exposure to cause harm. Now even that assertion is under the microscope.

More on this story at Organic & Non-GMO Report.


Wik-Bee Leaks: EPA Document Shows It Knowingly Allowed Pesticide That Kills Honey Bees

Beekeepers Suggest Pesticide is Destroying Insect Colonies

Bayer in the Dock Over Pesticide Linked to Colony Collapse Disorder

Germany Suspends Pesticide Approvals After Mass Death Of Bees

Have Bees Become Canaries In the Coal Mine? Why Massive Bee Dieoffs May Be a Warning About Our Own Health

14 responses to “Study says insecticide used with GM corn highly toxic to bees

  1. When this stuttering regime finally bans these insecticides, the bees will be gone and only wind will be the major pollinator. Nor do Corn and wheat require honey bees, and our heirloom vegetable seeds will be for nought.
    “. . . And do not harm the oil and wine!” said the third creature of Revelation 6:6, for olive orchards and vineyards need only wind.
    Albert, PILMOC

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  4. In the UK there is a further EDM to ban neonicotinoids following on from the paper by Jeff Pettis.

  5. Pingback: Disappearing bees « This Day – One Day

  6. The ban on Pesticides which hams the hoeney bees is required. Apart from poolination, the bees are very useful and their existence is must for the eosystem. Te efforts must be made to ban the harmful ( all insecicides are harmful ? ) pesticides so that the environment is not polluted further.

    Dr ramesh B Thakare
    Vice President larges farmers NGO in India, maharashtra State jalgaon/nagpur

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