Definition

Noun * A destructive insect pest: Grape phylloxera is a tiny, yellowish aphid-like insect (Daktulosphaira vitifoliae) that feeds on the roots and leaves of grapevines, causing severe damage and often death to susceptible plants, especially those of European origin (Vitis vinifera).

Usage and Examples

• As a subject: is considered one of the most devastating pests in the history of viticulture.
• As an object: The vineyard was infested with .
• With modifiers: The spread of the louse in the 19th century caused a major crisis for European wine producers.

Advanced Usage

• In historical/agricultural context: The term is primarily used in discussions of viticulture, plant pathology, and agricultural history. It is often cited as the cause of the "Great French Wine Blight" of the late 19th century.
  • Example: The solution to grape phylloxera was found by grafting European vines onto resistant American rootstock.

Variants and Related Words

• Phylloxera (noun): The common shortened form of . It can also refer to the genus () to which this insect belongs.
• Phylloxeridae (noun): The scientific family name for these insects.
• Root aphid (noun): A descriptive common name, as it is an aphid that attacks roots.

Synonyms

• Vine phylloxera
• The grape louse (archaic/common term)

Notes on Different Meanings

• The term "phylloxera" specifically and almost exclusively refers to the grapevine pest. In a broader entomological sense, it can refer to other insects in the same genus, but is by far the most economically significant and commonly referenced.

Noun

1. destructive to various grape plants