Pesticide Travels Throughout Plant

In your article “Bees and Flies in the Bonnet” you state, “County assistant ag commissioner Guy Tingos countered that the chemical is lethal to bees only if applied to the leaves, but not to the roots.”  It is important for followers of this story to know that once applied to the roots the pesticide is taken up into all part of the tree including the pollen, nectar, and fruit. Here is a link to Wired Science articles that describe this more fully.