News Details
Update on White Fly Infestation
From the Office of Councilwoman Gerrie Schipske White Fly Infestation Information
August 2012
 Dear Readers,

Many of you have contacted me about the white fly infestation in city trees. Please be assured that the City Department of Public Works and its arborists are doing everything possible to deal with this problem. While it is small comfort to know that many other states -- especially Florida -- are dealing with the very same problem, this means that Long Beach can obtain lots of information on how to deal with this pest.

Below is the recent email I received outlining what the City is doing right now:

Message from Public Works Department:

  • "We are still struggling with the overwhelming abundance of white flies. Weather conducive to early and rapid replication created a population of white flies beyond our preparatory efforts for biological control. We confer with the University of California Agriculture and Natural Resources and follow their Statewide Integrated Pest Management Program. The recommended process to control white flies is through the placement of natural enemies such as lacewing larvae.
  • "External application of pesticides are not overly effective and the most effective pesticide is Malathion, which we don't want to use. A more recent alternative that has come to our attention is Trunk Injection. This process injects an insecticide into the phloem system of the tree. When the white fly feeds on the tree's sap, they become infected and die. This process should not be used on trees that will produce food within the year following the process.
  • "For Council District 5 in particular, we are focused on Ash trees, so this caveat is not of concern. We have conducted a pilot on a couple of Ash trees on Ladoga and Deborah Streets. The insecticide takes 7-10 days to work through the tree to the sap and we will be checking for efficacy next week. If this process works better than a biological approach, we may go citywide on our 1,500 Ash trees."

Links to Information on White Fly
Weblinks on the White Fly
 white fly
Natural Enemy of White Fly 
As I get more information on this problem I will pass it along to you. Feel free to forward this information to your neighbors and friends.