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    Study: Mass Bee Deaths in France May Be Caused by Fipronil Rather Than Imidacloprid

    Release Date:

    2018-12-13

    A research team from the University of Exeter in the United Kingdom and Fera Science Ltd has uncovered evidence suggesting that fipronil may be the true culprit behind the mass bee deaths in France during the 1990s. According to reports, after French farmers began using two insecticides—imidacloprid and fipronil—bees started dying in large numbers between 1994 and 1998. Once farmers stopped using these products, the phenomenon of mass bee mortality eased. Many farmers and environmentalists have blamed imidacloprid for the decline, but in fact, a direct link between the use of imidacloprid and the mass bee die-offs has never been established.

    　　A research team from the University of Exeter in the United Kingdom and Fera Science Ltd has uncovered evidence suggesting that fipronil may be the true culprit behind the mass bee deaths in France during the 1990s.
    　　According to reports, after French farmers began using the insecticides imidacloprid and fipronil, they observed a sharp decline in bee populations between 1994 and 1998. Once farmers stopped using these products, the mass bee die-offs subsided. Many farmers and environmentalists have blamed imidacloprid for the phenomenon, but in fact, no direct causal link has ever been established between its use and the widespread bee deaths. The latest research suggests that fipronil may be the real culprit behind the mass bee mortality.
    　　The research report indicates that, after the first week of exposure to fipronil, honeybee mortality was 4,000 to 9,000 individuals higher than in the control group, whereas under the same experimental conditions, honeybee populations exposed to imidacloprid exhibited significantly lower mortality compared to the first group.
    　　Research indicates that fipronil is more likely to accumulate in honeybees, whereas imidacloprid does not. Consequently, prolonged or repeated exposure to fipronil poses a greater threat to honeybee health. The study further notes that, because fipronil has never been identified as a cause of mass bee deaths, pesticide manufacturers worldwide continue to rely on this active ingredient for pest control, thereby posing a potential risk to bee populations. At present, fipronil has been banned in the European Union; however, fipronil… seed The treatment agent is still being sold. 　

     

    Author: AgroPages Editor: xwbj1

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