By Jonathan Yales
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.
Listen to, Episode 4: When A Single Clone Caused An Invasion, below:
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