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woolly adelgid

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noun woolly adel·gid \-ə-ˈdel-jəd\

Definition of woolly adelgid

  1. :  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



Origin of woolly adelgid

adelgid ultimately from New Latin Adelges, probably irregular from Greek adēlos unseen


First Known Use: 1987


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