phylloxera
noun
phyl·lox·e·ra
ˌfi-ˌläk-ˈsir-ə 
fə-ˈläk-sə-rə
fə-ˈläk-sə-rə
: any of several plant lice (family Phylloxeridae)
especially
: one (Daktulosphaira vitifoliae synonym Viteus vitifoliae) originally of North America but introduced into Europe and elsewhere that produces galls on the leaves and roots of grape vines and is a serious pest especially of vinifera grapes in wine-producing regions
Examples of phylloxera in a Sentence
Recent Examples on the Web
The reason there is a difference between their number of vine and rootstock varieties is due to the subterranean phylloxera louse that wiped out huge swaths of the world’s grape vines during the mid 19th century.
—
Tom Mullen, Forbes.com, 23 June 2025
Unfortunately, the château and vineyards were decimated by phylloxera and continued to languish during World War I and World War II.
—Mike Desimone, Robb Report, 8 May 2025
See All Example Sentences for phylloxera
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Tom Mullen, Forbes.com, 23 June 2025
Unfortunately, the château and vineyards were decimated by phylloxera and continued to languish during World War I and World War II.
—Mike Desimone, Robb Report, 8 May 2025
See All Example Sentences for phylloxera
Cite this Entry
“Phylloxera.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phylloxera. Accessed 18 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share