1. Department of Integrated Biosciences, Rm201, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562,Japan.
2. Laboratory of Insect Genome, National Institute of Agrobiological Sciences,Owashi 1-2, Tsukuba, Ibaraki 305-8643, Japan.