• synonyms

jumping plant louse

  1. any of numerous lice, of the family Psyllidae, that feed on plant juices and are sometimes pests of fruits and vegetables.
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Origin of jumping plant louse

First recorded in 1900–05
Also called psylla, psyllid.


  1. jumping plant louse.
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Also psyl·lid [sil-id] /ˈsɪl ɪd/.

Origin of psylla

< New Latin (1811) Psylla genus name < Greek psýlla flea
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for psyllids

Historical Examples

  • The Hackberry is infested by large numbers of species of Psyllids, and these produce a great variety of interesting galls.

    Directions for Collecting and Preserving Insects

    C. V. Riley