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Species Daktulosphaira vitifoliae - Grape Phylloxera

grape Phylloxera? - Daktulosphaira vitifoliae Grape Leaf Galls - Daktulosphaira vitifoliae galls - Daktulosphaira vitifoliae Gall - Daktulosphaira vitifoliae Grape Phylloxera - Daktulosphaira vitifoliae grape phylloxera - Daktulosphaira vitifoliae Daktulosphaira vitifoliae  - Daktulosphaira vitifoliae Daktulosphaira vitifoliae  - Daktulosphaira vitifoliae
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Phylloxeroidea
Family Phylloxeridae
Genus Daktulosphaira
Species vitifoliae (Grape Phylloxera)
Explanation of Names
Daktulosphaira vitifoliae (Fitch 1855)
Identification
Adults of different generations are winged or wingless crawlers.
The majority of grape phylloxera adults are wingless females. They can be oval or pear shaped.
Range
probably originated in e. US. It is found on native species of Vitis
Life Cycle
Overwinters as small nymphs on roots
Remarks
Serious pest of grapevines worldwide
Two forms that either attack the root (radicicola) or the foliage (gallicola).