pear psylla


noun

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

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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. 2020