woolly apple aphid

woolly aphid

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)

Origin:
1835–45

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
woolly aphid

noun
secretes a waxy substance like a mass of fine curly white cotton or woolly threads 
woolly apple aphid

noun
primarily a bark feeder on aerial parts and roots of apple and other trees 
WordNet® 3.0, © 2006 by Princeton University.
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