Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various aphidlike insects of the family Adelgidae that infest conifers and usually secrete a waxy or woolly covering.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An insect of the genus Adelges.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any of various insects that feed and form galls on conifers
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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You can see patches of dead hemlocks, probably killed by the wooly adelgid, which is infesting so many of our forests.
The Killing Hour Gardner, Lisa 2003
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For example, when hemlocks are completely infested with woolly adelgid, homeowners should get rid of the plant so they don't have to continually spray.
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The spruce-fir forests have been affected by the balsam wooly adelgid, a non-native insect that kills mature Fraser firs, and some forest growth declines are possibly linked to air pollutants.
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I am watching for the insect, wooly adelgid, that has damaged so many of the native hemlocks in the forests.
Bark « Fairegarden 2008
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The hemlock woolly adelgid, an insect introduced from Asia in 1924, is killing eastern hemlocks throughout the eastern United States.
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The balsam woolly adelgid, which sucks the sap from Fraser firs, has no natural predators here, either.
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Just two pests — hemlock woolly adelgid and Asian long-horned beetle — could virtually destroy old-growth hemlock-hardwood forests in wilderness areas, creating an abundance of fuel and coarse woody debris.
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The introduction of the gypsy moth (Lymantria dispar), spruce budworm (Choristoneura fumiferana), hemlock wooly adelgid (Adelges tsugae), balsam wooly-adelgid (A. piceae), as well as dogwood anthracnost fungi is altering the forest composition and habitat composition.
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These high elevation communities are naturally subject to increased atmospheric moisture, cooler temperatures, and higher winds, but also now suffer from the effects of acid rain deposition, which tend to be exacerbated in high elevation communities, and from the depredations of an introduced homopteran insect, the wooly adelgid (Adelges spp.).
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And hemlocks are being killed by an organism called woolly adelgid, not woody adelgid.
reesetee commented on the word adelgid
An aphid-like insect that feeds on the bark and needles of conifers.
August 22, 2007