Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A jumping plant louse of the family Psyllidae, of many species.

from the GNU version of the Collaborative International Dictionary of English

  • n. A jumping plant louse of the family Psyllidæ, of many species. That of the pear tree is Psylla pyri.

from The Century Dictionary and Cyclopedia

  • n. The popular name of the homopterous insects of the family Psyllidæ, resembling in general appearance the aphides or true plant-lice, but distinguished by the difference in the fore wings, which have a distinct marginal vein.

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