pear psylla

noun
  1. a small jumping plant louse, Psylla pyricola, originally of Europe, that is a major pest of pears in the eastern U.S.

Origin of pear psylla

1900–05; < New Latin Psylla, genus name < Greek: flea
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018