Pest Links: Phylloxera

Grape phylloxera is a tiny aphid-like insect that feeds on Vitis vinifera grape roots, stunting growth of vines or killing them. This pest prefers heavy clay soils.....It is not a pest on sandy soils — — UC Davis Pest Management Guidelines.

Grape Phylloxera Research at University of California

Grape Phylloxera / Entomology Department / Ohio State University - Extension Fact Sheets

from WSU Viticulture Extension Program:

• Managing a Phylloxera-infested Vineyard
• Additional Fact Sheets on Phylloxera

Frequently Asked Questions about Phylloxera
from the Phylloxera and Grape Industry Board of South Australia