EU will re-set toxicity standards for pesticides

China Drying Network News Recently, the European Food Safety Authority (EFSA) announced that at present, under the conditions of using low concentrations of active ingredients, nicotine insecticides such as imidacloprid and thiamethoxam have no sufficient data on the survival of bee populations. Support, need to reset the toxicity criteria. EFSA requires professional committees to carry out in-depth review of products such as canidin, thiamethoxam, imidacloprid, acetamiprid, and thiacloprid. The investigation report is expected to be released in December.

EFSA is based on research reports published by two research groups in France and Britain in March this year. The study data showed that the residual levels of nicotine pesticides in nectar were significantly lower than those approved by the institutions, while the bee's lethal dose during indoor testing was greater than under actual conditions.

The research reports were based on the effects of imidacloprid and thiamethoxam on bees. These pesticides can indirectly interrupt the foraging activities of bee populations and produce certain toxic effects on the population. The results of this study prompted some EU member states to call for a re-evaluation of neonicotinoid insecticides. At the same time, the European Union also requires EFSA to strengthen the influence of nicotinic insecticides on the survival of bee populations to determine whether they are used through seed treatments. In addition to these two studies, EFSA also reviewed a German study that showed that imidacloprid and clothianidin have an impact on the survival of honeybee populations.

EFSA stated that in the determination of nectar residues, three indicators of neonicotinoid insecticide exceeded the maximum residue level specified. Tests have shown that exposure to simulated test methods may have a greater impact than bees in reality. Therefore, when formulating relevant standards, different exposure levels must be considered to ensure that the test results are close to the actual situation.

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