1. Department of Entomology; Ohio Agricultural Research and Development Center; The Ohio State University; 1680 Madison Avenue Wooster Ohio 44691 USA
2. Rubenstein School of Environment and Natural Resources; University of Vermont; 312H Aiken Center Burlington Vermont 05405 USA
3. USDA Forest Service; Northern Research Station; 312A, Aiken Burlington Vermont 05405 USA
4. Powdermill Nature Reserve; Carnegie Museum of Natural History; 1847 PA-381 Rector Pennsylvania 15677 USA
5. The Davey Tree Expert Company; 1500 Mantua Street Kent Ohio 44240 USA