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Noun: balsam woolly aphid
  1. A variety of adelgid, or small wingless insects that infest and kill firs, especially Balsam Fir and Fraser Fir (Adelges piceae)
    "The balsam woolly aphid has devastated many Fraser Fir Christmas tree farms";
    - Adelges piceae

Derived forms: balsam woolly aphids

Type of: adelgid

Part of: Adelges, genus Adelges