Sorry, left out the fact that I spray it on. Arnold Dec 11, 2010 12:07:06 PM, pbs@lists.ibiblio.org wrote: Dennis: The best safest practice I have used is Murphy's oil soap in water. I think they have different Murphy's now I use the traditional. I use one ounce to a quart of water. Soak all leaf and soil surfaces really well. Retreat in three days to get any newly hatched from eggs. Arnold