Hemlock Woolly Adelgid In Maine

The hemlock woolly adelgid is an invasive aphid-like insect that feeds on hemlocks. Feeding damage leads to decline and can cause mortality of affected trees.

• Overview of Hemlock Woolly Adelgid in Maine
• Overview of Hemlock Woolly Adelgid Life Cycle
• How to Identify Hemlock A quick key for identifying hemlock
• Fact Sheet (Maine Forest Service)
• Photo Gallery (under construction)
• Information on the quarantine on hemlock in Maine
  • Maine Forest Service Quarantine Page
  • Maine Department of Agriculture Rules
  • Summary of rules on moving hemlock products resulting from harvest of hemlocks.
• Additional background information on the hemlock woolly adelgid
• Slow-The-Spread Management of Hemlock Woolly Adelgid In Northern New England (4 MB pdf)
• Silvicultural Guidelines for Management
• Environmental Assessment Regarding Management of Hemlock Woolly Adelgid Impacts In Maine
• US Forest Service Hemlock Woolly Adelgid Site
• Posters
  • Infested area notice (pdf), (jpg)
  • Hemlock Woolly Adelgid/Elongate Hemlock Scale Poster (pdf)
• Volunteer: Look for Hemlock Woolly Adelgid and Report What You Find
  • Take A Stand
  • Vital Signs (off site; Field Mission in cooperation with Vital Signs)