neonicotinoid


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neonicotinoid

(nē′ō-nĭk′ə-tə-noid′)
n.
Any of a class of synthetic compounds having a chemical structure similar to that of nicotine and related alkaloids, used as systemic insecticides on plants and as topical or systemic insecticides on animals.
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MOST uses of pesticides known as neonicotinoids represent a risk to wild bees and honeybees, European experts have warned.
Crop chemical companies have argued that real-world evidence is not there to blame a global plunge in bee numbers in recent years on neonicotinoid pesticides alone.
Environmental campaigners responded by demanding a "complete and permanent" ban preventing any further use of neonicotinoids on farm crops in Europe.
The oral flea-killing products that have been approved for OTC sale in the United States are in a class of chemicals called neonicotinoids.
Professor Nigel Raine, from the University of Guelph in Ontario, Canada, said: "Bumblebee queens that were exposed to the neonicotinoid were 26% less likely to lay eggs to start a colony.
In addition, due to recent publicity about potential impacts on pollinators, some large retail garden centers have been pressuring ornamental producers to stop using neonicotinoid insecticides.
Studies indicating null or weak but inconclusive associations between a neonicotinoid pesticide and a human health outcome may not have made it to publication, biasing the literature (Easterbrook et al.
Lambda-cyhalothrin, cadmium, and the neonicotinoid imidacloprid were tested in combination, and their toxic effects on earthworms of the species Eisenia fetida were analyzed.
name T1 Carbofuran3G Furadan Carbamate T2 T1 + Imidacloprid Confidor Neonicotinoid 200SL T1+T2+ T3 Thiomethoxam Actara Neonicotinoid 25WG T4 T1+T2+T3+ Assail Neonicotinoid Acetamiprid 20%SP T5 Control -- Treatment Doses Method and timing of No.
Pollen tainted with neonicotinoid pesticides could interfere with honeybee reproduction.
Four environmental groups have launched a federal lawsuit alleging the Pest Management Regulatory Agency (PMRA) registered neonicotinoid pesticides over the last decade without acquiring scientific evidence necessary to evaluate the environmental risks, particularly in relation to pollinators.
A preliminary pollinator risk assessment for the neonicotinoid insecticide, imidacloprid, which shows a threat to some pollinators, has been released by the Environmental Protection Agency, Washington, D.