ForesTree - A Guide to Tree Health

Have a pest or disease problem with your California native tree?

Pests and diseases are species specific. It is often necessary to know the type of tree before you can identify the pest or disease. This website will assist you in identifying it and your tree.

Know the name of the pest or disease?
arrow Disease & Pest Information

Select or identify your tree:
arrow Tree Identification

Quercus leaves
Quercus chrysolepis

About this Website…

In the News ...


UFEI now hosting Pitch Canker Task Force website
Pitch Canker Task Force

Tea Shot Hole Borer Causing Fusarium Dieback on Avocado
pdf Fusarium Dieback of Avocado

Will sound put bark beetles on the run?
pdf Bark Beetle Repellant

$500,000 Available in Grants on Sudden Oak Death
California Oak Mortality Task Force - grants

Mysterious Pest Killing Oak Trees in Southern California
pdf Pest Alert - Agrilus coxalis

Exotic beetle found in urban areas of Southern California