Hemlock Woolly Adelgid

Adelges Tsugae

Physical Description

  • White Fuzzy Nest
  • 0.25 mm
  • Black in winter
  • Brown/Orange in summer
  • Waxy
  • White Nests under Hemlock Branches
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  • Native to Japan
  • Was common in Asia
  • China
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Last Seen

  • Found from California to Alaska
  • Georgia to Maine
  • Southern Asia
  • Along the coasts


  • Destroys Hemlock Tress
  • Feeds on Plant Tissue
  • Disrupts flow of Nutrients throughout the Tree


  • Chemicals to kill them off
  • Insecticides kill them within 30 seconds.
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