Affiliation: | 1Natural Resources Inventory Center, National Institute for Agro-Environmental Sciences, 3-1-3, Kan-nondai, Tsukuba, Ibaraki 305-8604, Japan. 2Department of Plant Protection, National Agricultural Research Center for Kyushu Okinawa Region, 2421 Suya, Nishigoushi, Kumamoto 861-1192, Japan. |