1. Kansai Research Center, Forestry and Forest Products Research Institute (FFPRI), 68 Nagaikyutaroh, Momoyama, Fushimi, Kyoto 612-0855, Japan
2. Department of Forest Entomology, Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
3. Department of Mushroom Science and Forest Microbiology, FFPRI, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan
4. Kyushu Research Center, Forestry and Forest Products Research Institute, 4-11-16 Kurokami, Chuo, Kumamoto 860-0862, Japan