1. Systematic Entomology, Graduate School of Agriculture, Hokkaido University
2. Sugadaira Research Station, Mountain Science Center, University of Tsukuba
3. Faculty of Symbiotic Systems Science, Fukushima University
4. Hokkaido Research Center, Forestry and Forest Products Research Institute, Forest Research and Management Organization
5. Department of Ecosystem Studies, Graduate School of Agricultural and Life Sciences, University of Tokyo