11.28.2008
Hemlock woolly adelgid, Adelges tsugae, on eastern hemlock, Tsuga canadensis. Near Asheville NC. Picture by Tom Kimmerer
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11.26.2008
The Big Five: emerald ash borer, Asian longhorned beetle, Sirex wood wasp, sudden oak death, hemlock woolly adelgid Forests in eastern North America are beset with a number of exotic pests and pathogens. Several of these pests and pathogens collectively could have a larger impact on eastern forests than chestnut blight, which killed billions of [...]
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