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pear psylla

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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.

Origin:
1900–05; < NL Psylla, genus name < Gk: flea
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pear psylla  
n.  A small plant louse, especially of the eastern United States and Pacific northwest, Psylla pyricola that is a destructive pest of pears, quinces, and similar species.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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