On Thu, 15 Mar 2007 20:10:57 -0700, "K Barrett"
wrote:

the newer breeds of insecticide like some of
the Bayer products with imicloprid (not a systemic) in them.


instructions are to pour it around the base of the tree, and it kills
bugs in the tree. also on the bottle "provides 12 months of systemic
protection"

the stuff has been referred to as synthetic nicotine.