balsam woolly adelgid

variants: or less commonly balsam woolly aphid

Definition of balsam woolly adelgid

: a woolly adelgid (Adelges piceae) native to Europe that has been introduced accidentally into the U.S. where it is a serious and usually lethal pest of fir trees (such as the balsam fir and Fraser fir) — see woolly adelgid

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First Known Use of balsam woolly adelgid

1952, in the meaning defined above

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The first known use of balsam woolly adelgid was in 1952

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