Also, psyllid [sil-id] .

< Neo-Latin (1811) Psylla genus name < Greek psýlla flea Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
psyllid or psylla (ˈsɪlɪd, ˈsɪlə)
See plant louse any homopterous insect of the family Psyllidae, which comprises the jumping plant lice
[C19: from Greek psulla flea]
psylla or psylla
[C19: from Greek psulla flea]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Use dormant oil spray to control pear psylla, mites, and other pests.
In field and lab tests, a spray mix of water and synthetic esters controlled pear psylla and other soft-bodied insect pests.
Relative attractiveness of colour traps to pear psylla in relation to seasonal changes in pear phenology.
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