Sentences with phrase «neonicotinoid thiamethoxam»

She split a bumblebee colony into three groups of workers and fed them different field - realistic doses of the neonicotinoid thiamethoxam.

Not exact matches

In January, the European Food Safety Authority in Parma, Italy, Europe's food - chain risk - assessment body, concluded that three commonly used neonicotinoids — clothianidin, imidacloprid and thiamethoxam — should not be used where they might end up in crops that attract bees, such as oilseed rape and maize.

Neuroscientist Christopher Connolly of the University of Dundee, UK, who has studied the effect of neonicotinoids in bee brains, says that the control colonies themselves were contaminated with the pesticides, and that thiamethoxam was detected in two of the three bee groups tested, even though it was not used in the experiment.

That January assessment relating to bee health was of three neonicotinoids deemed a priority: thiamethoxam, clothianidin and imidacloprid.

The commission wants to ban the use of three «neonicotinoid» compounds — clothianidin, imidacloprid, and thiamethoxam — for 2 years on four crops that are attractive to bees: maize, cotton, sunflower, and rapeseed.

A study published April 26 in Scientific Reports by UC San Diego postdoctoral researcher Simone Tosi, Biology Professor James Nieh, along with Associate Professor Giovanni Burgio of the University of Bologna, Italy, describes in detail how the neonicotinoid pesticide thiamethoxam damages honey bees.

The researchers found that bumblebees exposed to a realistic level of a neonicotinoid insecticide (thiamethoxam) collected more pollen but took longer to do so than control bees.

The study is the first to link exposure to thiamethoxam — one of the most commonly used neonicotinoid pesticides — to fewer fully developed eggs in queens from four wild bumblebee species that forage in farmland.

The decision follows reports published in January by the European Food Safety Authority (EFSA) concluding that the three so - called neonicotinoids — clothianidin, imidacloprid, and thiamethoxam — pose an «acute risk» to honey bees essential to farming and natural ecosystems.

Mickaël Henry of France's National Institute for Agricultural Research in Avignon fed low levels of a neonicotinoid, thiamethoxam, to European honey bees (pictured).

«This study examined the impact of exposure to two neonicotinoids (thiamethoxam and clothianidin) on male honeybee (drone) survival and sperm quality.

To keep your lawn and garden happy, healthy, and teeming with life for pollinators, they say, you should avoid the products that contain neonicotinoids — look for members of the neonicotinoid family on the labels: acetamiprid, clothianidin, imidacloprid, nitenpyram, nithiazine, thiacloprid and thiamethoxam.

They then administered small does of a different neonicotinoid pesticide, called thiamethoxam, to a portion of the bees.