# Door-to-Door Search for Grapevines Sold at Costco Begins in California’s Santa Clara County

> **Newsylist Open Intelligence Dossier** · First detected: 2026-07-16 03:29 UTC · Category: Business · Sources: 13 · Current Velocity: 12.62

## Executive Summary
California's Santa Clara County conducts door-to-door search for grapevines sold at Costco due to invasive insect threat

## Intelligence Brief
A door-to-door search for grapevines sold at Costco has begun in California's Santa Clara County.


The search is focused on retrieving grapevine plants that may be infested with the Glassy-Winged Sharpshooter, an invasive insect that threatens the state's wine industry.


Coverage from various outlets, including USA Today, Los Angeles Times, and NBC Bay Area, emphasizes the urgency of the situation and the efforts of local authorities to mitigate the risk.

## Verified Facts & Key Claims
### What is the purpose of the door-to-door search in Santa Clara County?
The search aims to collect recalled grapevine plants purchased from Costco that may be infested with the Glassy-Winged Sharpshooter, an invasive insect.

### Which insect is threatening California's wine industry?
The Glassy-Winged Sharpshooter.

### How many grapevine plants are being sought?
Coverage does not yet specify the exact number, but mentions 1,100 vines in some reports.

## Key People, Organizations & Locations
California, Officials, Costco, Santa Clara, Unprecedented, South Bay, Santa Clara County, Door-to-Door Search for Grapevines Sold, Costco Begins, Glassy-Winged Sharpshooters Invasive Insect Sparks Costco Recall

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| USA Today | Threat of the Glassy-Winged Sharpshooter in California | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMizgFBVV95cUxPc0dfUzBrS3JqVS12VXFwTUdWaFI5RUFpN19GYlNMVEk0WkloNHVCT1Rra0JQR3JYajJLZVBLa3k5X2tweDI5VHZVUTU1WmxnM1FRblg4cnBmS3IxbjZxX2dvMHB0NWY4aFZFaUVBeU1uZnNIUDNpQTM3bGNaVTIzcWEyMHNvMHI5Q2VDRTV3TlJZOVlpQm5JLU1oNXdmQUtXdGd6VVhxY0dZVU5VZTBhRTFLUGdaODhfUHg5aWVuZGREeEx6Y25KUHRlYUpWZw?oc=5) |
| Los Angeles Times | This invasive insect threatens California's wine industry. It's been linked to another Costco-sold plant | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxPa213ZmNEZXU2WlcxUmctbEZiR3Y5T3RscFExczVZLXVZbjE1OWZOT2J5QUhMYktQRnhfU0xsZGltclVZdGVzVVhONjFBV0ZFdlVDaXZ5UlZKeENsU0c3ejZUTUdmUnlzd0FmdG9Jdll3bExCTFpMcVlEYzZjUWF3d01nUGk5S1RadDlWUW5sT3N1RnhMS1dvQzVHcUJ0djlwS3pDeHRZLWV3dW9CcFdmOGItY3c0Nk5qRW1qMmpR?oc=5) |
| inc.com | Buy a Grapevine at Costco? California Wants It Back | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxNbTZkWVoxWlNRMFpsZ1RUalJoSTg4MUVDd0kzZ1BnRDZXV2lFbFpRZlloUGZrUFdDM2JlZUFjS19SdU54RjlTQmRHU1Back0yYVBDTGlhdGdhZHJLS09HdVJsUTdaRVo0emxqdVhac0xTTXA4Z3FaZ2RJUmxlVUliYk1idnhPNHF0OUZFeGNLYjhnMk9jQ3Yw?oc=5) |
| The Cool Down | Costco shoppers may have brought home desert willow with invasive pest tied to California vineyards | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTFA4R2VRbXA2UFlxZG04SXF0aEJRVDZFcmhhNUpzcHpKMjgzb2lIV19xWTNCbVdybHZNRTRLcElYUTI1QVBhLUprUVBJRHVkVDlDa2trcHNlcHRkSmo0NEkxZVh5T01BSDVsNDBycGY2SGgweU1kU3NQWW5iQU9hUQ?oc=5) |
| Newsweek | What are Glassy-Winged Sharpshooters? Invasive Insect Sparks Costco Recall | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxPTzF2MHpCOVg3OHFRVEhoYVh3TFlSeDlNQVRpT2piR2MzTkh2QTVVUUJjYVdreW9Eand2eFpRMjEwQ0w3XzJCbDVDaWRmLXlZemkwT0pSWTF4NV9GX1c2RmJYeVdkcWxwbm83emJQSEZrY1pOaEZpMHlBdWYyM2VMa1lTZVVWcTJiOHRUMExnU0RFQUl6Y1dGYUhEbVU3NU5KT3RBZ28wVFo1aEU?oc=5) |
| Santa Clara County (.gov) | County Goes Door-to-Door to Collect Recalled Grapevine Plants Purchased From Costco | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMiqgFBVV95cUxPaW9PWm5ON2lkYmxRMHYxWVVBa0hCZDZnZWJ2OVc2SzNZeTlSS0VBNWlyb2p6dDF2RjlCaTZrMld6SnlqZ3RTRnIzVFhlX1NWVUliLWZLQXQ0Z1JoVWp5a1ZQTE1ZNGRYX2hwX2ZIckI4elZxU0E4ampYMGFpck8xZExKT1ZfWXh2UDBBSDBCd0Y0bTUycWF6UW5fT0l1Y2JMZi1oaWktMldJQQ?oc=5) |
| Red Bluff Daily News | Unprecedented door-to-door effort seeks 1,100 vines that could threaten South Bay wineries | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMihwFBVV95cUxQZ3BLNmIzVEM3aDR4Z3ViVEJrMjZLV1htVzlSWVJTa0UxdmVNX29CajlVYWl2azRTTUtxM1IzWTl1TVN2NEpXNjlwNFVSYWhQTzNDZkhiUG5LNkJSV3Y1YXlkcFpmbHdnRWRTQzlES1hjaWd3Y3hZQ3pEY19DOW43VFYwU2FkaG8?oc=5) |
| Fox Business | Costco issues warning notice for plant due to invasive insect infestation concern | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMisgFBVV95cUxOV3N3NjlaVWRnU2l0Tm00N3dNYUlwdlNuQWpkdEc5RWYzcWlpR1ROd2xSY1VwclMyYnpPSHVJaXMtVlVpUW93cWdtNGt6RGV1MnFGZXVwVzZIM3VFT3Y1ODBhOTRhOS1GY3dUTHZGdWtEaGo5RXNoTDVjaFkxTVI4M25qN2lrdWlPMEg4X2N1X1dLMG5laW4yTDQtbzA5bWVfS3g0VXE2V3JxXzljOWVQYnRR0gG3AUFVX3lxTFBXVnpiSDVqQkhaNDkwZC1xZ1NCbnZ6Mk5nanpkNnViN2NqaE54ZUtiZTgyNFl0aDBfRVN2MW1nZVFUZDQ4MHZwekdEcUZwWERncTFEa3dkeEFCQ1RvdC16WFBYSVJDQ0EtVG44V3Q4UzNyN2F2a3BzNFVNY3RDelFWeFlNdGZPR2Z4UUgwNEs3QTdNRTBHZFN5ZVo0OUlMdWN) |
| NBC Bay Area | Santa Clara County goes door-to-door to recover Costco plants tied to invasive pest | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMirgFBVV95cUxPdkstQ3dpWC1KbDQ0M09xU0F0VWFobXB4aDBoSnMwdEMyWElseVFUNmxQektMdG02NWhlSW41SEdSSGpxVnNTSlQ5emVHVUt2eEVibE01R2x2N05NbldiRzdyVFJraTFHd3Y2RHFQb2xDemNoTlE3djhKVS1Va0lPclhFbTdRXzUwTndOQjloN1RmcTY3TEcweDUxbm5jakMtTGpLQWFOQXRhdWlwUHfSAbYBQVVfeXFMTVJjSXpibnlRVDI1NXBPOHlwd2U5Y3FtTFZINGZYX21WNndXdmRUWDJZNDNKT0hqdGdIeUhvMWNHMDQ0aktRWVRtZkpCeHg5TUNaTk5ZUzI4Szk1S1VVVnZFU1AzbldzOXhDaFJGQlZhYzhvd2lYOVhEODVaMkF1eW8yNUJlME5XQ3E4c2N3NjMxNk81S2pNcHU4OFhWa01FV0N6QjR) |
| KIRO 7 News Seattle | Costco warns customers recently purchased plants may be infested with dangerous, invasive pests | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMi6wFBVV95cUxNMHJfNWRHMDN0dnBmOEx5c1JfMEtGRTh2THlHYkxJUnoyaFJDcl9ZZHdPdHhISlBWWG1MeVNWSVlrNkk2UE12ODQ2VWRMbW1jdlNiRlJvY1JKcUgyMXN4ZkRYYy1uaTdqa0ZIQW13aWczTS1CZjd0RThtTEhtMjRDTGJ0UEk1QjZ5eHBwbHVzeVNOS3JURlEyM05IQ1ZydDRwaHc5T1liaGwxWlFkTTdXbzhGVjc3WEUwUTNsMU01Y3hVbjlxeE9qbUNlWnNfVVRoTG84cnVpV3E4ZTc4cFpPZ2d3T1RtMi1PQ2xz0gH_AUFVX3lxTE11UHdUN04xRzhqQVBjVTFfbHZNQUpQTE9URTRPQjI5VHR5Nmc4OEZXMHI1T19LdGp0aW1KZ053TzZUTE1TR214Tm5FZHl6U1k3dzRvcG9SSlFaVjA3dG9EUUNOcXpSVGl) |
| SFGATE | Santa Clara is going door to door to collect recalled Costco grapevines | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMiiAFBVV95cUxONFYwMUtUVlU2eXR3Z3FHb3Zla29ISkRSVW9sZ1ktdm13SzVLbzRtc0tGd1RKRS05aGkwRVh2eFlZVVJPU3I5VmpRcHNnU2Q3QW5ZaHhBOUtHV1NZUGFlREJQV3VXR1lNd2lrS1NtMG1wdW1SSDl4TGFQcW4tM2E2a1pWVHk2ckFS?oc=5) |
| The Mercury News | Unprecedented door-to-door effort seeks 1,100 vines that could threaten South Bay wineries | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMif0FVX3lxTE85YU9SUTlJMUdGckY4N3B3WTRBa3FkTnpVYVcwbi0zUGZVQzRad3RyWXJNdmdFblRWQnFJVWViRmtaYzV6TXVaV1A2SUlDV25TWUdPWEo4Um9ER2podXZ3U2dzcmxGcWZ5LTFxVU1xWVNCaUhYcWNwRFBTWjlScHfSAYQBQVVfeXFMTkF0M181SVR3Z25pOHhIaTBjQTNka0RsVkZNZ0F0VnBvRVR2VWxfSWhjTllMMHBxeFVPTlJrRG5CWUctMjYtdmpmbTA1eFlzY0JnY3gzT1M5emZjNnZ5X2NuUGpmTmY2cF9aa2hoVFEyUGpiT1VMSE5ha3pHalFpZERoY3dL?oc=5) |
| NBC Bay Area | Officials try to retrieve Costco plants tied to invasive pest in San Jose | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxOWkc5RG5jRExuaVJTVmgtVjFXdGhwMDMzelhNY0xFMEJHSEE2bWc5eWFFaWQwSUZIWER6b3JOY3ZnZjU0ZUJ6OTlNYkFzYmI5NmNLaW5ZT3Q2T3FRajltazNoNWYwQnlrWG16WUVDZW9uenBmX1hMRkJmR1BBM01EYUxkdlNYbEUzN05mM2psWUxud2g5ZXF5X3Nhd9IBowFBVV95cUxPamctQklJRHJfUGlLRFNLR2xwb19HYU1YLUU5aDBOUWJPVFk5amxPNW5SVW9JMWczOHdTLUt0TnlUdWd1NUsyUXNCVzVlUWM3OVZoSFhwMTRMZU5nbHl4dFBCX1FhTzdvOFRLQnIyb0hCYXo4a3BIQkZHYTRjRlZzeDRKa2JJaF9JSnp2c0pUbUwxNUpSNzZ5ZVR1MjlSQy1peGVJ?oc=5) |
| The New York Times | Door-to-Door Search for Grapevines Sold at Costco Begins in California’s Santa Clara County | 2026-07-15 22:30 | [Source Link](https://news.google.com/rss/articles/CBMif0FVX3lxTE1MeFVQdURZSkRZQllfYmZIVHU2aV9uN3J5d1lIbWtmTkN5eWpiVHdua1oxaGhBUG5SNjdiMzU2ZVZQRy1xTXdFdU16dTlMQW1ka2lJQ3N1TkJ4cWZxZXNSdEFLVzg2NnRpSzRaaHhFZUdEc1pnbVBTV1BCOFlZUnM?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-07-16/door-to-door-search-for-grapevines-sold-at-costco-begins-in-california-s-santa*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*