Definitions

from The Century Dictionary.

  • noun 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.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) A jumping plant louse of the family Psyllidæ, of many species. That of the pear tree is Psylla pyri.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

Etymologies

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