Imidacloprid effects on bees? and at what levels?

Discussion in 'General Beekeeping' started by bradofbluffcity, Mar 10, 2015.

  1. bradofbluffcity

    bradofbluffcity New Member

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    Spring of 2012 I used a soil injection of imidacloprid to treat several hemlock trees that had begun to drop needles because of a Hemlock Wooly Adelgid infestation.
    January of 2013 European Food Safety Authority found imidacloprid to be in the class of pesticides that pose high risk to bees. As a result I removed all flowering grasses around the treated areas and keep the area cut short.
    Today my daffodils started to bloom. I mulched the ground around them with maple leaves and they are held in place with small branches from the hemlocks- now mostly decomposed.

    Do my daffodils pose a hazard? Am I doing enough in cutting the grass in the treated areas?

    For the Bees,
    ​Brad