Goldspotted Oak Borer
Insect Pest
High Threat
Identification & Biology
Beetle native to Arizona/Mexico that has established in Southern California. Larvae bore under bark of oaks, killing branches and eventually the tree. First detected 2004, has killed >80,000 oaks in San Diego.
Current Status
Established in San Diego County. Spreading to Riverside and other counties.
States affected:
California
What Homeowners Should Do
Do not transport oak firewood. Monitor oaks for crown thinning and D-shaped exit holes. Report to county agriculture department.
Identification Photos
Related Threats
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