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This invasive insect threatens California's wine industry. It's been linked to another Costco-sold plant
By Grace Toohey at Los Angeles Times - California
· July 14, 2026
· 1 min read
This is the second known infestation of the glassy-winged sharpshooter in plants sold at California Costco warehouses in recent months. The invasive insect can be deadly to grapevines and threatens the state's massive wine industry.
Key takeaway The invasive insect can be deadly to grapevines and threatens the state's massive wine industry.
Why this matters in The Los Angeles
The glassy-winged sharpshooter's presence in Costco-sold plants has significant implications for Los Angeles County's own wine country. While not as large as Napa Valley, the region is home to a number of vineyards and wineries that contribute to the local economy. If the infestation spreads, it could have devastating effects on these businesses and the jobs they support. The fact that this is the second known infestation in recent months suggests that the insect's presence may be more widespread than initially thought, and that prompt action is needed to prevent its spread. Local farmers and vintners will be watching closely to see how the state responds to this threat, and what measures are taken to protect the region's grapevines from this invasive pest. The economic stakes are high, and the potential impact on the local wine industry is a major concern.
About this story
Original reporting by Los Angeles Times - California . The Los Angeles surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
For the complete original report, visit Los Angeles Times - California . Have a tip or correction? Contact our newsroom .
Category: local ·
Published: July 14, 2026 ·
Source: Los Angeles Times - California ·
Reading time: 1 min
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Frequently asked about this story
What is this story about? This is the second known infestation of the glassy-winged sharpshooter in plants sold at California Costco warehouses in recent months. The invasive insect can be deadly to grapevines and threatens the state's massive wine industry.
When was this published? This article was first published on July 14, 2026 by Los Angeles Times - California and curated for The Los Angeles readers.
Who reported this story? This story was reported by Grace Toohey at Los Angeles Times - California. To learn more about how The Los Angeles selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The Los Angeles, or browse our daily briefing and topic hubs .
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