noun
destructive to various grape plants
• Syn: ↑grape louse, ↑Phylloxera vitifoleae
• Hypernyms: ↑plant louse, ↑louse
• Member Holonyms: ↑Phylloxera, ↑genus Phylloxera
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noun or grape louse : a small yellowish green No. American phylloxera (Phylloxera vitifoliae) that lives and forms galls on the leaves and roots of various grapes being relatively harmless to native forms but extremely destructive to European vinifera grapes
Useful english dictionary. 2012.