News and Announcements

Protect Your Trees!

Feb 16 2018

There are new threats to trees in Southern California: Polyphagous Shot Hole Borer/Fusarium Dieback and Gold Spotted Oak Borer. These pests can only successfully infect the following trees:

  • Box Elder
  • California Sycamore
  • London Plane
  • Coast Live Oak
  • Avocado
  • White Alder
  • Japanese Maple
  • Liquidambar
  • Red Willow
  • Oak

The Department of Agriculture and Natural Resources of the University of California has provided ways of distinguishing the symptoms of infected trees. Click the link below for more information or visit www.GSOB.org. Report suspected tree infestations in Orange County to pshb.ucceoc@gmail.com.

A New Pest Complex in Southern California

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