Goldspotted Oak Borer
Goldspotted Oak Borer
Goldspotted Oak Borer
University of California
Goldspotted Oak Borer

Noninfested Counties

Counties without a confirmed GSOB infestated tree should refer to the general information, resources and contacts throughout this site or those listed below.

Report suspected GSOB symptoms on this online survey form.

Jan Gonzales
Outreach Coordinator
UC Cooperative Extension
9335 Hazard Way, Suite 201
San Diego, CA 92124
(858) 822-7718


UC Riverside Center for Invasive Species Research (CISR):

UC ANR Pests and Diseases of Southern California Oaks:

UCCE offices statewide:

County Agricultural Commissioner’s offices statewide:

Coast Live Oak
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