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Filters: Keyword is Woolly adelgids and Author is Amman, Gene D [Clear All Filters]
Some New Infestations of the Balsam Woolly Aphid in North Carolina, with Possible Modes of Dispersal." Journal of Economic Entomology 59, no. 3 (1966): 508-511.
"Progress Report: Evaluation of Laricobius Pilot Test, 1963. Asheville, NC: U.S. Department of Agriculture, Forest Service, 1963.
Balsam Woolly Aphid in the Southern Appalachian." Journal of Forestry 77, no. 5 (1965): 1154-1158.
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