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

Host Oaks

Dead Oak


The goldspotted oak borer attacks have been found in the older, mature trees of three types of oak. Attacks have not been observed in small diameter oaks (<12 cm at breast height). For specific information on affected species, 'click' on the name of the oak species.


GSOB has been identified in Englemann Oak (Quercus engelmannii), but has not been found to be detrimental.



More Information

Coast Live Oak (Quercus agrifolia)

Canyon Live Oak (Quercus chrysolepis)

California Black Oak (Quercus kelloggii)

GSOB Host Oak Tree Species

Coast Live Oak (Quercus agrifolia)
Coast Live Oak (Quercus agrifolia)
Canyon Live Oak (Quercus chrysolepis)
Canyon Live Oak (Quercus chrysolepis)
California Black Oak (Quercus kelloggii)
California Black Oak (Quercus kelloggii)

Coordinating Workgroup Organizations:

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