Location Update on Glassy-winged Sharpshooter (GWSS) from UCIPM URBAN for Costco locations April 21 -May 19.
https://www.instagram.com/p/DY5BN0Zmmiz
GWSS has been confirmed on plants shipped to the following counties: #Alameda #Solano #Marin #Stanislaus #Placer #Sutter #Sacramento #Yolo #SanMateo #Yuba
Officials are still evaluating additional suspect samples from several other counties: #Butte #ContraCosta #Humboldt #Merced #Napa #Sonoma
More info here:
https://ucanr.edu/blog/pests-urban-landscape/article/purchased-grapevine-costco-n-ca-recently-read

UC IPM - Urban & Community on Instagram: "Glassy-winged sharpshooter (GWSS) is an invasive pest that spreads a bacterium which causes a fatal grapevine disease (called Pierce’s disease). If you or someone you know purchased a grapevine in an affected county between April 21 and May 19, isolate the plant and contact your local County Agricultural Commissioner’s Office right away. Visit the UC IPM blog to read the full update (link in bio)."
24 likes, 0 comments - ucipmurban on May 28, 2026: "Glassy-winged sharpshooter (GWSS) is an invasive pest that spreads a bacterium which causes a fatal grapevine disease (called Pierce’s disease). If you or someone you know purchased a grapevine in an affected county between April 21 and May 19, isolate the plant and contact your local County Agricultural Commissioner’s Office right away. Visit the UC IPM blog to read the full update (link in bio).".




