Pierce’s disease (PD) is caused by the pathogen Xylella fastidiosa subsp. fastidiosa, a xylem-limited bacterium that affects water transport in the host. Xylella fastidiosa is transmitted by xylem-feeding insects: sharpshooters and spittlebugs.
- Important concepts of disease ecology inform management. (PDF 566.25 KB)
- Identify vectors of Xylella fastidiosa (PDF 1.03 MB) (sharpshooters and spittlebugs) in North Coast vineyards. (PDF 1.03 MB)
- Learn more about sharpshooter identification and biology in English (PDF 1.03 MB) and in Spanish (PDF 1.05 MB).