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Daniel Schmehl

Post-Doctoral Researcher, Department of Entomology and Nematology, University of Florida

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Studies, Articles and Answers

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Question

Q: Who are the Scientists, health and safety professionals, farmers, and other independent experts who answer your questions?I am a be keeper, what is the concern about the nicotinoids? What are potential pathways for exposure to the bees?

Answered By David Fischer - May 21, 2014

A: While there is some evidence that in laboratory studies neonicotinoid exposure can affect honeybee behavior, many field studies have been conducted, and all report no adverse effects on honeybee colonies in real-world agricultural settings. In the field, typical exposure levels are very low and there is no scientific evidence linking these very low-level exposures to colony losses or declining colony health. Likewise, there is no correlation between where neonicotinoid products are used and where bee colony loss rates are abnormally high. On the contrary, in Canada, bee colony loss rates [...]

Answered By Daniel Schmehl - May 21, 2014

A: Neonicotinoids (e.g., imidacloprid, clothianidin, thiamethoxam) are widely used in agricultural landscapes as a systemic, broad-spectrum insecticide. Neonicotinoids are used more than any other class of insecticide worldwide and are frequently found in seed coatings, foliar sprays and granular formulations. While their toxicity to humans is low, their prevalence of use among farmers and homeowners has raised concern over the level of exposure to pollinators and other nontarget insects. Honeybees can come in contact with the pesticides while foraging for pollen and nectar. Neonicotinoid seed c [...]

Answered By David Fischer - May 21, 2014

A: While there is some evidence that in laboratory studies neonicotinoid exposure can affect honeybee behavior, many field studies have been conducted, and all report no adverse effects on honeybee colonies in real-world agricultural settings. In the field, typical exposure levels are very low and there is no scientific evidence linking these very low-level exposures to colony losses or declining colony health. Likewise, there is no correlation between where neonicotinoid products are used and where bee colony loss rates are abnormally high. On the contrary, in Canada, bee colony loss rates [...]

Answered By Daniel Schmehl - May 21, 2014

A: Neonicotinoids (e.g., imidacloprid, clothianidin, thiamethoxam) are widely used in agricultural landscapes as a systemic, broad-spectrum insecticide. Neonicotinoids are used more than any other class of insecticide worldwide and are frequently found in seed coatings, foliar sprays and granular formulations. While their toxicity to humans is low, their prevalence of use among farmers and homeowners has raised concern over the level of exposure to pollinators and other nontarget insects. Honeybees can come in contact with the pesticides while foraging for pollen and nectar. Neonicotinoid seed c [...]

Environment Crop protectants

Question

Q: Who are the Scientists, health and safety professionals, farmers, and other independent experts who answer your questions?I am a be keeper, what is the concern about the nicotinoids? What are potential pathways for exposure to the bees?

Answered By David Fischer - May 21, 2014

A: While there is some evidence that in laboratory studies neonicotinoid exposure can affect honeybee behavior, many field studies have been conducted, and all report no adverse effects on honeybee colonies in real-world agricultural settings. In the field, typical exposure levels are very low and there is no scientific evidence linking these very low-level exposures to colony losses or declining colony health. Likewise, there is no correlation between where neonicotinoid products are used and where bee colony loss rates are abnormally high. On the contrary, in Canada, bee colony loss rates [...]

Answered By Daniel Schmehl - May 21, 2014

A: Neonicotinoids (e.g., imidacloprid, clothianidin, thiamethoxam) are widely used in agricultural landscapes as a systemic, broad-spectrum insecticide. Neonicotinoids are used more than any other class of insecticide worldwide and are frequently found in seed coatings, foliar sprays and granular formulations. While their toxicity to humans is low, their prevalence of use among farmers and homeowners has raised concern over the level of exposure to pollinators and other nontarget insects. Honeybees can come in contact with the pesticides while foraging for pollen and nectar. Neonicotinoid seed c [...]

Answered By David Fischer - May 21, 2014

A: While there is some evidence that in laboratory studies neonicotinoid exposure can affect honeybee behavior, many field studies have been conducted, and all report no adverse effects on honeybee colonies in real-world agricultural settings. In the field, typical exposure levels are very low and there is no scientific evidence linking these very low-level exposures to colony losses or declining colony health. Likewise, there is no correlation between where neonicotinoid products are used and where bee colony loss rates are abnormally high. On the contrary, in Canada, bee colony loss rates [...]

Answered By Daniel Schmehl - May 21, 2014

A: Neonicotinoids (e.g., imidacloprid, clothianidin, thiamethoxam) are widely used in agricultural landscapes as a systemic, broad-spectrum insecticide. Neonicotinoids are used more than any other class of insecticide worldwide and are frequently found in seed coatings, foliar sprays and granular formulations. While their toxicity to humans is low, their prevalence of use among farmers and homeowners has raised concern over the level of exposure to pollinators and other nontarget insects. Honeybees can come in contact with the pesticides while foraging for pollen and nectar. Neonicotinoid seed c [...]

Environment Crop protectants