- Author: Andrew M. Sutherland
[From March 2014 issue of the Retail Nursery and Garden Center IPM News.]
A massive killing of bumblebees in Oregon, concerns about impacts on honey bees, and tight new regulations imposed by the European Union have kept neonicotinoid insecticides in the news. The neonicotinoid group includes imidacloprid, one of the most popular garden insecticides sold in stores.
First developed in the late 1980s, neonicotinoids represented the first new class of insecticides in over 50 years. They are insect nervous system toxins widely used in horticulture, agriculture, and structural.../span>