A small bug that infests plants and feeds on the sap or tender shoots, especially an aphid.
木虱（尤指蚜虫）
Several families in the series Sternorrhyncha, suborder Homoptera. See also jumping plant louse
Example sentencesExamples
During the autumn months, homeowners with hackberry trees often become annoyed by large populations of adult jumping plant lice or psyllids.
But then the plant louse called phylloxera hit most of Europe and ruined the vineyard, which lay fallow for decades.
While growing succeeded there for decades, a plague of the plant louse phylloxera, followed by Prohibition and then the Depression, set the region back for years.
Aphids, or plant lice, are small green, pink, or mealy-white insects that attack many plants.
Definition of plant louse in US English:
plant louse
nounˈplant ˌlous
A small bug that infests plants and feeds on the sap or tender shoots, especially an aphid.
木虱（尤指蚜虫）
Several families in the series Sternorrhyncha, suborder Homoptera
Example sentencesExamples
During the autumn months, homeowners with hackberry trees often become annoyed by large populations of adult jumping plant lice or psyllids.
While growing succeeded there for decades, a plague of the plant louse phylloxera, followed by Prohibition and then the Depression, set the region back for years.
Aphids, or plant lice, are small green, pink, or mealy-white insects that attack many plants.
But then the plant louse called phylloxera hit most of Europe and ruined the vineyard, which lay fallow for decades.