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R. Young ; K. Shields ; G. Berlyn | 1995Stylet bundle insertion site, path traveled, and feeding site were examined for the hemlock woolly adelgid, Adelges tsugae Annand, on needles from current and previous years of eastern hemlock Tsuga canadensis Carriere. The stylet bundle is comp[...]congrès/colloque
congrès/colloque
A. Ek, - Editeur scientifique ; IUFRO International Union of Forestry Research Organisations, Vienne (AUT) ; S. Shifley, - Editeur scientifique ; USDA United States Department of Agriculture, Saint Paul MI (USA). Forest Service. North Central Forest Experiment Station ; T. Burk, - Editeur scientifique ; University of Minnesota, Saint Paul MI (USA). College of Forestry ; IUFRO Conference (1987/08/23-27; Minneapolis MI, USA) | Saint Paul [USA] : USDA, Forest Service, North Central Forest Experiment Station | North Central Forest Experiment Station General Technical Report (USA) | 1988