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Goldspotted Oak Borer Reaches Ventura County: Tree Threatens!

1/11/2026

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Summary

Story summary

The goldspotted oak borer (GSOB) has reached Ventura County, marking its northernmost detection.
Since its discovery in 2008, GSOB has killed an estimated 200,000 oak trees.
Experts, including ecologists from UC Agriculture and Natural Resources, say the beetle's spread is often driven by movement of infested firewood.
A GSOB Blitz is scheduled for February 13, 2026, in Simi Valley, to encourage residents to identify and report signs.

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Story summary

The goldspotted oak borer (GSOB) has reached Ventura County, marking its northernmost detection.
Since its discovery in 2008, GSOB has killed an estimated 200,000 oak trees.
Experts, including ecologists from UC Agriculture and Natural Resources, say the beetle's spread is often driven by movement of infested firewood.
A GSOB Blitz is scheduled for February 13, 2026, in Simi Valley, to encourage residents to identify and report signs.