S Depar tment of Ag riculture orest Ser vice Balsam ooll y Adelgid Iral R Rageno vich and Russel G Mitchell The balsam woolly adelgid Adelges pi ceae Ratzebur g is a tiny sucking insect that was introduced into North America IURP57347XURSH W57347SURE ID: 60019
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