Grape Phylloxera
The majority of grape phylloxera adults are wingless females. They are generally oval shaped, but those that lay eggs are pear shaped. They are small (0.04 inch long and 0.02 inch wide) and vary in color from yellow, yellowish green, olive green, ... [... more]
University of California IPM |
Insights From Insects: What Bad Bugs Can Teach Us
 A delightful compendium of insect facts: From casual readers who enjoy natural history and bugs to students at the high school and college levels, Insights From Insects: What Bad Bugs Can Teach Us provides a delightful compendium of insect facts. Twenty [... more]
$20.98
Amazon.com |
INSECTS REPORTED ON GRAPES IN NORTH CAROLINA
THE GRAPE PHYLLOXERA (Phylloxera vitifoliae) is native to the eastern United States and is one of the most important enemies of European grapes. It is of little importance on the grapes native to eastern North Carolina. The biology of this plant ... [... more]
NC State University Coop Extension |
GRAPE PHYLLOXERA
Root galls are knot-like swellings on the rootlets, and may lead to decay of infested parts. In the fall, nymphs migrate to the roots where they hibernate through the winter. The following spring they become active again and produce the root ... [... more]
University of Kentucky |
GRAPE PHYLLOXERA
Root galls are knot-like swellings on the rootlets, and may lead to decay of infested parts. In the fall, nymphs migrate to the roots where they hibernate through the winter. The following spring they become active again and produce the root ... [... more]
University of Kentucky |
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