woolly adelgid
noun Etymology: adelgid ultimately from New Latin Adelges, probably irregular from Greek adēlos unseen Date: 1987 either of two aphids (genus Adelges) with a white woolly coating that have been accidentally introduced into North America: a. one (A. piceae) native to Europe that is a serious pest of fir trees b. one (A. tsugae) native to Asia that is a serious pest of hemlocks

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • woolly adelgid — noun A common name for insects of either species Adelges piceae or Adelges tsugae. In some parts of the Northeast, woolly adelgid<!sic and aphids are serious pests …   Wiktionary

  • woolly adelgid — noun an insect that feeds on hemlocks; its egg sacs are small fuzzy white balls like artificial snow on a Christmas tree • Hypernyms: ↑adelgid …   Useful english dictionary

  • Hemlock woolly adelgid — Taxobox name = Hemlock woolly adelgid image width = 240px image caption = Evidence of Hemlock Woolly Adelgid on Hemlock regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hemiptera superfamilia = Phylloxeroidea familia = Adelgidae… …   Wikipedia

  • Balsam woolly adelgid — Taxobox name = Balsam Woolly Adelgid image width = 250px image caption = Adult Balsam woolly adelgid regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hemiptera superfamilia = Phylloxeroidea familia = Adelgidae genus = Adelges… …   Wikipedia

  • balsam woolly adelgid — noun also balsam woolly aphid : a woolly adelgid (Adelges piceae) native to Europe that has been introduced accidentally into the United States where it is a serious and usually lethal pest of fir trees (as the balsam fir and Fraser fir) see… …   Useful english dictionary

  • hemlock woolly adelgid — noun : a woolly adelgid (Adelges tsugae) of Formosa, Japan, and the northwestern United States that has been introduced into the eastern United States where it is a serious pest of the eastern hemlock see woolly adelgid herein …   Useful english dictionary

  • hemlock woolly adelgid — noun A common name for insects of the species Adelges tsugae. Oak wilt, gypsy moth caterpillars, spruce bud worm and lately dogwood anthracnose and hemlock woolly adelgid are only some of the better known problems with which gardeners, foresters… …   Wiktionary

  • adelgid — noun any of various insects that feed and form galls on conifers • Hypernyms: ↑plant louse, ↑louse • Hyponyms: ↑balsam woolly aphid, ↑Adelges piceae, ↑spruce gall aphid, ↑Adelges abietis, ↑ …   Useful english dictionary

  • Gall adelgid — Taxobox name = Cooley Spruce Adelgid image width = 240px image caption = nymph stage of Cooley Spruce adelgid regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hemiptera superfamilia = Phylloxeroidea familia = Adelgidae genus =… …   Wikipedia

  • balsam woolly aphid — noun a variety of adelgid • Syn: ↑Adelges piceae • Hypernyms: ↑adelgid • Member Holonyms: ↑Adelges, ↑genus Adelges * * * noun : an aphid ( …   Useful english dictionary

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