"The glassy-winged sharpshooter is a dangerous, invasive, aggressive carrier of Pierce's disease which is considered one of the most devastating diseases of grapevines in the world," Vasquez wrote ...

According to a study released today, the California Department of Food and Agriculture’s Pierce’s disease (PD) and ...

This bacterial disease, frequently spread by insects such as glassy-winged sharpshooters and blue-green sharpshooters, kills vines within a few years of infestation; there are no known preventatives ...

Beneath the rolling hills in the Browns Valley area of Vacaville, a quiet but determined battle has been waged for more than three years. The target: a tiny insect with an oversized impact, known ...