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2019 GSOB ZOI Maps

The California Board of Forestry periodically updates the Goldspotted Oak Borer Zone of Infestation (GSOB ZOI) to include new areas of infestation and areas with increased risk to host oak trees. This page features the maps produced in 2019.

Maps courtesy of Kim Corella at CalFire

GSOB Zone of Infestation (ZOI) Showing the GSOB Distribution in
San Diego, Riverside, Orange, Los Angeles and San Bernardino Counties

2019 GSOB ZOIs

 

2019 GSOB ZOIs

Maps: (select and click)

 

 

GSOB Distribution in San Diego County

(2019)

GSOB San Diego Distribution Map (2-26-18)


Printable PDF Map 

 


GSOB Distribution: Riverside County
(2019)

2019 Riverside County GSOB ZOIs


Printable PDF Map 

 


GSOB Distribution: Orange County
(2019)

2019 Orange County GSOB ZOIs


Printable PDF Map 

 

GSOB Distribution: Los Angeles County
(2019)

GSOB Los Angeles Distribution Map (3-2-18)

 

Printable PDF Map

 

GSOB Distribution: San Bernardino County
(2019)

2019 San Bernardino County GSOB ZOIs


Printable PDF Map