Monday, 15 November 2004
D0204

The spread of gypsy moth and its association with defoliation events

Patrick C. Tobin, ptobin@fs.fed.us, USDA Forest Service, Northeastern Research Station, 180 Canfield Street, Morgantown, WV and Stefanie Whitmire, stefanie.whitmire@mail.wvu.edu, West Virginia University, Department of Biology, P.O. Box 6057, Morgantown, WV.

The gypsy moth has been gradually expanding its range in North America since its introduction approximately 150 years ago. Effective management requires an understanding of the rate of population spread and the boundaries that delimit population thresholds. We explored the rate of spread of gyspy moth from 1996 to 2003 in its current range in the United States, and examined the relationship between population abundance thresholds and defoliation events over this time.


Species 1: Lepidoptera Lymantriidae Lymantria dispar (gypsy moth)
Keywords: biological invasions

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