pear psylla
noun Date: 1904 a yellowish or greenish jumping plant louse (Psylla pyricola) that is often destructive to the pear

New Collegiate Dictionary. 2001.

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  • pear psylla — noun also pear tree psylla : a yellowish or greenish jumping plant louse (Psylla pyricola) that is often destructive to the pear called also pear louse * * * a small jumping plant louse, Psylla pyricola, originally of Europe, that is a major pest …   Useful english dictionary

  • pear psylla — a small jumping plant louse, Psylla pyricola, originally of Europe, that is a major pest of pears in the eastern U.S. [1900 05; < NL Psylla, genus name < Gk: flea] * * * …   Universalium

  • pear tree psylla — noun see pear psylla …   Useful english dictionary

  • psylla — noun Etymology: New Latin, genus name, from Greek, flea; akin to Latin pulex flea, Sanskrit pluṣi Date: 1852 any of various plant lice (family Psyllidae) including economically important plant pests compare pear psylla …   New Collegiate Dictionary

  • pear louse — noun : pear psylla …   Useful english dictionary

  • Psylla pyri — Taxobox name = Pear s psylla status = image width = image caption = regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hemiptera superfamilia = familia = Psillidae genus = Psylla species = P. pyri binomial = Psylla pyri binomial… …   Wikipedia

  • Psylla pyri — Flea louse Flea louse , n. (Zo[ o]l.) A jumping plant louse of the family {Psyllid[ae]}, of many species. That of the pear tree is {Psylla pyri}. [1913 Webster] …   The Collaborative International Dictionary of English

  • pearpsylla — 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. * * * …   Universalium

  • homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction   any of more than 32,000 species of sucking insects, the members of which exhibit considerable… …   Universalium

  • Blattflöhe — Cacopsylla pulchella Systematik Stamm: Gliederfüßer (Arthropoda) Klasse: I …   Deutsch Wikipedia

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