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Any of various aphidlike insects of the family Adelgidae that infest conifers and usually secrete a waxy or woolly covering.

[From New Latin Adelgidae, family name, from Adelgēs, type genus, from -adelges (interpreted as "suckers"), in French Phytadelges, former adelgid family name (phyt(o)- + -adelges, literally "plant-suckers"), and French Zoadelges, former family of hemipterans including the bedbug (zo(o)- + -adelges, literally "animal-suckers"), both coined by French zoologist André Marie Constant Duméril (1774-1860), from adelgein, probably misreading of Greek amelgein, to milk, suck up, drain, drink; see melg- in Indo-European roots, or possibly misreading of athelgein, a rare verb said to mean the same thing as amelgein in a 4th-century ad Greek dictionary.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.adelgid - any of various insects that feed and form galls on conifers
plant louse, louse - any of several small insects especially aphids that feed by sucking the juices from plants
Adelges piceae, balsam woolly aphid - a variety of adelgid
Adelges abietis, spruce gall aphid - a variety of adelgid
pine leaf aphid, Pineus pinifoliae - a variety of adelgid
woolly adelgid - an insect that feeds on hemlocks; its egg sacs are small fuzzy white balls like artificial snow on a Christmas tree
References in periodicals archive ?
The latest on the invasive hemlock woolly adelgid, a forest pest that poses a threat to Michigans hemlock trees.
And, the hemlock woolly adelgid now threatens eastern forests as far north as Maine as warming temperatures aid its spread.
Eastern Hemlock Infestation: Potential Geographic Distribution of the Hemlock Woolly Adelgid in Michigan Forests.
I read with interest Nicolas Brulliard's article in the Spring issue of the magazine about the hemlock woolly adelgid attacking eastern hemlock trees in Shenandoah National Park ["Saving Goliath"].
Currently, the hemlock woolly adelgid is attacking hemlock stands across North America, and the most effective solution is a combination of the neonicotinoids imidacloprid and dinotefuran, Kreutzweiser said.
Carriere (Pinales: Pinaceae), to determine its effectiveness on the hemlock woolly adelgid, Adelges tsugae Annand (Aphidomorpha: Adelgidae) (Eisenback et al.
The woolly adelgid has chewed its way up the crest of the Appalachian Mountains from the Carolinas to Canada.
Sasajiscymnus tsugae (Coleoptera: Coccinellidae) has been reared as a predator that specifically targets the Hemlock Woolly Adelgid (HWA, Hemiptera: Adelgidae: Adelges tsugae), a very destructive pest of the Eastern and Carolina Hemlock.
Bugs like the hemlock woolly adelgid, the southern pine beetle, and the tick are unable to survive extreme cold temperatures, although generally when an invasive species has established a new home, it probably won't disappear completely, despite the weather.
The reason being, is that the bitter cold kills the hemlock's adversary, the hemlock woolly adelgid, a tiny insect pest.
The name of this bug is the hemlock woolly adelgid.