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Treesearch

Mapping forest risk associated with the hemlock woolly adelgid

Informally Refereed
Download (PDF 62 KB): https://research.fs.usda.gov/download/treesearch/19863.pdf

Abstract

The hemlock woolly adelgid, Adelges tsugae, is native to Asia and was first introduced to North America in British Columbia in the 1920s and was later discovered in the Shenandoah Mountains of Virginia in the 1950s.

Parent Publication

Citation

Liebhold, Andrew M.; Morin, Randall S.; Lister, Andrew; Gottschalk, Kurt W.; Luzader, Eugene; Twardus, Daniel. 2003. Mapping forest risk associated with the hemlock woolly adelgid. In: Fosbroke, Sandra L. C.; Gottschalk, Kurt W., eds. 2002 January 15-18; Annapolis, MD. Gen. Tech. Rep. NE-300. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. p.58.