Oregon will permanently ban certain pesticides from being used on linden trees after a massive bee die-off in Wilsonville last summer.
In June, about 50,000 bumblebees were found dead and dying in a Target parking lot under linden trees that had been sprayed with dinotefuran, part of a class of pesticides called neonicotinoids.
An investigation into the incident won’t be completed until mid-December, Katy Coba, director of the Oregon Department of Agriculture, told a legislative committee Thursday afternoon.
But ODA already has taken steps to protect bees from neonicotinoids, Coba said.
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