Balance & Barrier: When A Single Clone Caused An Invasion
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Balance & Barrier: When A Single Clone Caused An Invasion

With no parasitic wasps — like we have for emerald ash borer — and no miracle fungal pathogen — as with gypsy moth — our control options for the nonnative insect threatening Eastern hemlock forests, the hemlock woolly adelgid, have been tricky. Hemlock forests, and the hemlocks in your yard, are paying the price.

Related Research:

Scientists:

  • Nathan Havill, Research Entomologist, Northern Research Station, Hamden, Connecticut
  • Talbot Trotter, Research Ecologist, Northern Research Station, Hamden, Connecticut

Produced by the USDA Forest Service Northern Research Station.

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