Under a collaborative program, agencies and organizations are working together to determine the distribution, impact and possible prevention methods of tree mortality caused by Mediterranean Oak Borers/Pathogen Complex Disease (MOB/PC). Use our MOB/PC Reporting Tool to submit photos of trees suspected of infestation.
If you have a tree that you believe to be infested, please contact the California Department of Food and Agriculture.
Pest Hotline: 1-800-491-1899
Report a Pest: www.cdfa.ca.gov/plant/reportapest