Pierce's Disease
Research Updates


What is Pierce's Disease?

Pierce's Disease is a bacterial infection, which is spread by bugs that feed on grapevines, particularly the "glassy winged sharpshooter." Grapevines that become infected with PD can quickly become sick and die.

glassy-winged sharpshooter

June 2012 news archives

  • A new tool for studying insect-plant warfare
    Phys.Org June 08, 2012

    A new way to wire up a young adult glassy-winged sharpshooter, an insect that can inject Pierces disease bacteria into grapes as it feeds, is helping ARS scientists better understand how plant-feeding insects do so much damage ...