The purpose of this site is to provide information on the biology and management of sharpshooters and Pierce's disease, with a focus on Southern California vineyards and surrounding areas.

The blog will be used to post regular updates on the results of the Temecula glassy-winged sharpshooter areawide monitoring program and to occasionally share other information relevant to sharpshooters, Xylella fastidiosa, or Pierce's disease.

For more information, contact Matt Daugherty (matt.daugherty@ucr.edu; 951-827-2246)

Temecula GWSS Areawide Program is Winding Down

Please note that the Temecula GWSS areawide monitoring will be wrapping up after June 2023. This program has been administered by the CDFA with funding from the USDA for more than 20 years, the goal of which was to support broad-scale monitoring of GWSS populations in the region to guide vineyard pest management decisions. In...

GWSS newsletter 2-8-2023

GWSS newsletter 1-10-2023

GWSS newsletter 12-7-2022

GWSS newsletter 11-16-2022

GWSS newsletter 10-19-2022

GWSS newsletter 10-5-2022

GWSS newsletter 9-21-2022

GWSS newsletter 9-7-2022

Trap locations

There are periodically questions about the locations of the traps that are reported in the GWSS newsletter. Most of them are shown in the image below: It is a big image, but high enough resolution that you can zoom in pretty far. The numbers are the same as those listed on the 2nd page of...
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