1. US Forest Service Northern Research Station, Morgantown, West Virginia 26505;,
2. Biology Center of the Czech Academy of Sciences, 37005 České Budějovice, Czech Republic;
3. Scion (New Zealand Forest Research Institute), Christchurch 8540, New Zealand;
4. Resources for the Future, Washington, DC 20036;
5. Department of Environmental Science and Policy, University of California, Davis, California 95616;
6. Department of Entomology, The Ohio State University, Wooster, Ohio 44691;
7. AgResearch Limited, Hamilton 3240, New Zealand;
8. Department of Entomology and Department of Forestry, Michigan State University, East Lansing, Michigan 48824;
9. New Zealand Institute for Plant & Food Research and University of Auckland, Christchurch 4704, New Zealand;
10. School of Environmental and Forest Sciences, University of Washington, Seattle, Washington 98195;
11. Natural Resources Inventory Center, National Institute for Agro-Environmental Sciences, Ibaraki 305-8604, Japan;