Glassy-winged sharpshooter contamination from Costco shipments
Mendocino County
Summary
Infested grapevines from a Fresno nursery were shipped to the Ukiah Costco over a month before detection, threatening the county's wine grape industry with Pierce's disease. About 15 trace-forward plants located so far.
At a glance
- Total mentions
- 2
- Last 30 days
- 0
Last discussed Jun 23, 2026.
Impact analysis
Unknown response costs; county tracking hours and hoping for state emergency funds.
Rapid response protects the wine grape industry and growers.
Grape growers face a fatal-disease threat to vineyards.
Mentions & discussions (2)
Board of Supervisors — June 23, 2026
Infested grapevines from a Fresno Costco shipment reached local buyers; ag officials have deployed 200+ traps and are tracing about 150 plants, with state funding expected.
Board of Supervisors — June 2, 2026
Infested grapevines from a Fresno nursery were shipped to the Ukiah Costco over a month before detection, threatening the county's wine grape industry with Pierce's disease. About 15 trace-forward plants located so far.
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