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Wednesday, 17 November 2004
D0495
Development, density, and distribution of the elongate hemlock scale on eastern hemlocks in the southern Appalachians
Paris L. Lambdin, plambdin@utk.edu, Patrick McNicholas, pmcnicholas@utk.edu, and Jerome Grant, jgrant@utk.edu. University of Tennessee, Department of Entomology and Plant Pathology, 205 Ellington Plant Sciences Building, Knoxville, TN
Infestations of the elongate hemlock scale on eastern hemlocks at ten sites in Knoxville, TN and Asheville, NC were evaluated for population development, density, and parasitoid rate. The impact of parasitoids on the elongate hemlock scale were also compared for populations in forest and urban habitats. This species has two generations annually with the overwintering females producing eggs from mid-May through late June.
Species 1: Hemiptera Diaspididae Fiorinia externa (elongate hemlock scale)
Keywords: exotic, hemlock
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