plant louse


noun

any of various related insects having similar habits.

Origin of plant louse

First recorded in 1795–1805

Example sentences from the Web for plant louse

British Dictionary definitions for plant louse

plant louse

noun

another name for an aphid
jumping plant louse any small active cicada-like insect of the homopterous family Psyllidae (or Chermidae), having hind legs adapted for leaping, and feeding on plant juices