Phylloxera - Wikipedia, the free encyclopedia
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Grape phylloxera ( Daktulosphaira vitifoliae , family Phylloxeridae), commonly just called Phylloxera (from Greek φύλλο , leaf, and ξερό , dry), is a pest of commercial grapevines worldwide, ...
en.wikipedia.org/wiki/Phylloxera
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Grape phylloxera is a tiny aphidlike insect that feeds on Vitis vinifera grape roots, stunting growth of vines or killing them. ... 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...
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www.ipm.ucdavis.edu/PMG/r302300811.html
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The leaf galls caused by grape phylloxera are unsightly and do little damage, however, infestation of the roots can be difficult to control and can lead to severe root pruning and decline of vines. Severe infestations can cause defoliation and reduce shoot growth.
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www.ca.uky.edu/ENTOMOLOGY/entfacts/entfactpdf/ef222.pdf
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Grape phylloxera is an insect native to the eastern United States, where it subsists on native grape varieties. Most native varieties have developed a tolerance to the insect. Historically, grape phylloxera has been of minor concern in these growing areas.
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cru.cahe.wsu.edu/CEPublications/eb1566/eb1566.html
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Native American grape rootstocks are resistant to the grape phylloxera, while European varieties are susceptible. When the insect was introduced into Europe in about 1860, the French wine industry was nearly destroyed.
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www.ento.vt.edu/Fruitfiles/phylloxera.html
www.ento.vt.edu/Fruitfiles/phylloxera.html
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Grape Phylloxera, Daktulosphaira vitifoliae ... Description: Adult grape phylloxera is a tiny aphid-like insect with a yellow body. The aerial or leaf form is sometimes quite common from mid to late season in Oklahoma, but causes very little, if any damage. The leaf form of grape phylloxera causes the formation of tiny...
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www.ento.okstate.edu/ddd/insects/grapephylloxera.htm
www.ento.okstate.edu/ddd/insects/grapephylloxera.htm
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Overview of grape phylloxera. Phylloxera is a aphid pest that lives on roots of grapevines. ... About phylloxera; Grape phylloxera (Daktulosphaira vitifolii) is a destructive aphid pest that lives on the roots of grapevines. Phylloxera aphids feed by sucking fluids from grapevine roots, which causes a progressive decline in...
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www.dpi.vic.gov.au/DPI/nrenfa.nsf/LinkView/47E3E43D0A5A...
www.dpi.vic.gov.au/DPI/nrenfa.nsf/LinkView/47E3E43D0A5A36AACA256CF50081B2C6EF462D226D34F0C3CA256EDE0000B39A
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Hutchinson encyclopedia article about grape phylloxera. grape phylloxera. Information about grape phylloxera in the Hutchinson encyclopedia. ... The grape, or vine phylloxera Phylloxera vitifolia, a native of North America, is a notorious pest of grapevines, forming galls on roots and leaves, which damage the plant.
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encyclopedia.farlex.com/grape+phylloxera
encyclopedia.farlex.com/grape+phylloxera
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When phylloxera feed on grape leaves, they cause green or red fleshy galls (6-20 mm) to form. The adult phylloxera lay eggs within the galls. Adults are only about 1 mm long and rarely seen without cutting open the galls.
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www.omafra.gov.on.ca/english/crops/pub360/notes/grapeph...
www.omafra.gov.on.ca/english/crops/pub360/notes/grapephylx.htm
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