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plant louse

noun

  1. any of various related insects having similar habits.


plant louse

noun

  1. another name for an aphid
  2. 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of plant louse1

First recorded in 1795–1805
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Example Sentences

On the 4th of August, about one o'clock in the afternoon, I put into solitary confinement a plant-louse of the third generation.

The Red Ant (Formica rufa) is singularly adroit in seizing the droplet left it by the plant-louse.

On one of these leaves he placed a plant-louse, which was born under his own eyes, of a wingless mother.

When they have got possession of a plant-louse, they excite it to secrete this liquid, but without doing it any harm.

Sometimes house plants, and out-door plants as well, become covered with a small, green insect called the plant louse or aphis.

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