NneonicsandBees10-8-14 - Growing Flowering Plants That are Safe for Pollinators in the Yard and Garden David Smitley Michigan State University A type of

NneonicsandBees10-8-14 - Growing Flowering Plants That are...

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Growing Flowering Plants That are Safe for Pollinators in the Yard and Garden A type of sweat bee, one of 4,000 spp. of native bees in the USA David Smitley, September 30, 2014 Michigan State University
What are neonicotinoid insecticides?
Neonicotinoid Insecticides Used for Pest Control on Ornamentals 1 Neonic insecticides given to bees orally Honey bees Lowest lethal concentration Acute Chronic (ppb) (ppb) Honey bees lowest sublethal concentration Acute Chronic (ppb) (ppb) Bumble bees Lowest lethal concentration Acute Chronic (ppb) (ppb) Bumble bees lowest sublethal concentration Acute Chronic (ppb) (ppb) Acetamiprid 442,000 ND 5,000 ND ND ND ND ND Clothianidin >190 ND 24 ND ND ND ND ND Dinotefuran >380 ND ND ND ND ND ND ND Imidacloprid >185 0.10 >20 ND 24 ND 59 ND 10 Thiomethoxam >250 ND ND 50 ND 120 ND 100 1 From the 2012 Xerces Society Report: ‘Are Neonicotinoids Killing Bees?’
How Neonicotinoids and Bees Became a Crisis for Greenhouse and Nursery Growers: the Last 16 Months Buzzkill: Huge bee die-off in Oregon parking lot blamed on insecticide spraying Grist.org, Oregon Public Broadcasting 25,000 dead bumble bees and honey bees found in the parking lot of the Wilsonville Target Store Linden trees in full bloom had been sprayed with Safari (dinotefuran) Scott Hoffman Black, executive director of the Xerces Society, said he has confirmed the bees died from pesticide poisoning. “Evidently they didn’t follow the label instructions. This should not have been applied to the trees while they’re in bloom.” Start: June 20, 2013
Bee Science Articles 02/11/14 - GMO Soybeans Are Bad for Mexico's Beekeepers 02/20/12 - Study Says Insecticide Used with GM Corn Toxic to Bees 01/21/11 - Call to Ban Pesticides Linked to Bee Deaths 12/24/08 - Bee Learning Affected by Eating Toxin from GE Corn 08/26/08 - New Research Finds Higher-Than-Expected Levels of Pesticides in Hives 05/08/08 - Honeybee Hives in U.S. Seeing Continued Decline 05/05/08 - Air Pollution Impedes Bees' Ability to Find Flowers 09/07/07 - Study Points to Virus in Collapse of Honeybee Colonies 05/04/07 - What's The Buzz? Scientists Explore Pesticide Poisoning of Bees 04/26/07 - Requiem for the Honeybee Feb 2014 Organic Consumers Association Website
February 7, 2014 Join One of these Five Home Depot ‘Swarms’ to Help Save the Bees! Organic Consumers Association For related articles and more information, please visit OCA's Honey Bee Health page and our Millions Against Monsanto page .

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