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Tag Archives Imidacloprid

Crops, Weather

Neonic-treated canola not an ‘unacceptable risk’ for pollinators

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Already facing federally mandated phase-outs from many major on-farm uses in Canada over risks to aquatic insects, neonicotinoids aren’t expected to pose “unacceptable risks” to pollinators when used on canola seed or hothouse vegetables in the meantime. Health Canada said as much Thursday as it released its final re-evaluation decisions for three neonic pesticides — […] Read more
A queen bumblebee collects floral resources for her nest.
Crops

Environmental threats put bumblebee queens under pressure

Insecticide exposure and declining floral diversity are jeopardizing key pollinator group

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Spring is a busy time for bumblebee queens. After emerging from hibernation, their to-do list includes making nests, laying eggs, and keeping their larvae warm and fed. It’s physiologically demanding, and the stakes are high: the success of the colony depends on a queen. In a recent study, researchers at the University of California Riverside […] Read more
Crops, Reuters

EU nations back ban on all outdoor neonic use

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Brussels | Reuters — European Union countries backed a proposal on Friday to ban all use outdoors of insecticides known as neonicotinoids that studies have shown can harm bees. The ban, championed by environmental activists, covers the use of three active substances — imidacloprid, developed by Bayer CropScience; clothianidin, developed by Takeda Chemical Industries and […] Read more
Crops

Two neonics set for three-year extensions on registration

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Health Canada’s pesticide regulator proposes to allow continued registration for two members of the neonicotinoid family of pesticides, both of which are under heavy scrutiny for their effects on bees and other pollinators. The Pest Management Regulatory Agency on Tuesday issued proposed decisions on clothianidin and thiamethoxam that would extend the products’ existing conditional registrations […] Read more
Crops

Data mining finds no honeybee colony risk from correct neonic use

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An expedition through published and unpublished studies on neonicotinoid pesticides has led a Guelph research team to find no colony-level risk to honeybees from the seed treatments — if they’re correctly used. The University of Guelph team, led by toxicologist Keith Solomon and adjunct professor Gladys Stephenson, analyzed 64 papers from “open, peer-reviewed literature” on […] Read more
Crops

Global study finds trace neonics in much of world’s honey

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A study by Swiss scientists has found trace levels of at least one neonicotinoid pesticide in three-quarters of the honey samples it collected from around the world. The study, spearheaded by a team from Switzerland’s Universite de Neuchatel and published in Friday’s edition of the journal Science, was meant to assess “global exposure of pollinators […] Read more
Crops

Concerned about the upcoming phase-out of Imidacloprid?

Health Canada plans to ban the neonicotinoid in three to five years, but is first consulting farm groups and growers

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Neonicotinoids could be harmful to aquatic insects — and that has sealed the fate for one version of the pesticide. Following a review, Health Canada’s Pest Management Regulatory Agency (PMRA) has proposed phasing out Imidacloprid over the next three to five years. “Our re-evaluation found no risk for human health,” said Scott Kirby, director general […] Read more
Crops

PMRA seeks phase-out for neonic pesticide imidacloprid

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Canadian farm use of the pesticide imidacloprid, from the controversial neonicotinoid family, is facing a three- to five-year phase-out from approval over its potential risks to aquatic insects. Health Canada’s Pest Management Regulatory Agency (PMRA) on Wednesday announced it had completed a re-evaluation of the pesticide and has kicked off a 90-day public consultation period, […] Read more
Crops

Regulatory reviews show slim risk to bees from imidacloprid

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Label directions and rules for foliar and on-seed use of imidacloprid pesticides should either prevent or limit the risks to honeybees and other pollinators from the chemical, Canadian and U.S. regulators say in a new early-stage risk assessment. Health Canada’s Pest Management Regulatory Agency (PMRA) and the U.S. Environmental Protection Agency (EPA) on Wednesday released […] Read more

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