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Goldspotted Oak Borer: Page

Management Options

Researchers are testing several management tactics for goldspotted oak borer (GSOB) in Southern California. The following management options are provided based on current GSOB research findings.
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Goldspotted Oak Borer: Page

What You Can Do

Your participation can help slow and mitigate the spread of GSOB in Southern California.
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Goldspotted Oak Borer: Page

Oak Woodland Recovery

The damage that GSOB causes has the potential to devastate oak woodlands, as infestations impact the oldest and most prolifically reproducing trees. Poor oak recruitment and regeneration not only threatens the oak forests themselves, but also the wildlife that utilize oak resources.
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Goldspotted Oak Borer: Page

2024 GSOB Symposium

Goldspotted Oak Borer 2024 Virtual Symposium Online via Zoom Webinar November 6, 2024 8:00 AM 12:30 PM Description: The goldspotted oak borer (GSOB) is an invasive wood-boring beetle that attacks and contributes to the mortality of oaks throughout southern California and remains a considerable thr...
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ZOI Maps 2019

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.
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Post-fire Wildland Recovery Workshop 2022

UCCE San Diego hosted a two-day workshop on post-fire recovery and the impacts of GSOB in affected Southern California wildlands. A webinar was hosted on Wednesday, February 23, 2022, with a field site visit in the Green Valley area the following week, Wednesday, March 2, 2022.
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Goldspotted Oak Borer: Page

Trainings & Workshops

To raise awareness about GSOB threats, mitigation, and management, UCCE San Diego coordinates and hosts informational workshops in collaboration with regional partners. Bookmark this page for information on GSOB workshops, webinars, and field-training activities.
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Resources

Stay up to date on GSOB news and events, and subscribe to our mailing list! Download GSOB management, outreach, and Spanish-language toolkits here. Search for contacts, tips, and county-specific infestation information by California county.
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Restoration Projects

In the spring of 2022, foresters with the Cleveland National Forest (US Forest Service) planted 430 oak seedlings on 68 acres of the Cottonwood Creek-Buckman Springs area, east of Lake Morena in the southern part of San Diego County.
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