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woolly aphid

American  
[wool-ee ey-fid, af-id] / ˈwʊl i ˈeɪ fɪd, ˈæf ɪd /

noun

  1. any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum woolly apple aphid, or American blight and Prociphilus tessellatus woolly alder aphid.

  2. any of various aphids that produce white waxy threads, as Adelges piceae balsam woolly aphid.

Etymology

Origin of woolly aphid

First recorded in 1835–45

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.