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A Phylloxera-mite (<I>Hoplophora arctata</I>), closely related to the aphid, that feeds off the sap of grapevines.

Shielded Phylloxera-mite

A Phylloxera-mite (Hoplophora arctata), closely related to the aphid, that feeds off the sap of grapevines.

A genus of lice classed with the aphidae, which feed as parasites on different kinds of plants. The most notd species is an injurious pest to the vine. This form is native to North America, where it was first observed in 1854.

Phylloxera

A genus of lice classed with the aphidae, which feed as parasites on different kinds of plants. The…

"Grape-vine Phylloxera, young." &mdash;Davison, 1906

Phylloxera

"Grape-vine Phylloxera, young." —Davison, 1906

Pictured are phylloxera galls on chestnut. Insect larvae cause malformations or swellings of the leaves or twigs, known as galls.

Phylloxera Galls on Chestnut

Pictured are phylloxera galls on chestnut. Insect larvae cause malformations or swellings of the leaves…

A phylloxera. Typically found in eastern North America, and related to the aphid, they typically feed of the sap of grapevines.

Phylloxera-mite

A phylloxera. Typically found in eastern North America, and related to the aphid, they typically feed…

A Phylloxera-mite, related to the aphid, that feeds off the sap of grapevines.

Phylloxera-mite

A Phylloxera-mite, related to the aphid, that feeds off the sap of grapevines.