1. Biodiversity Division, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
2. Department of Biology, Long Island University — Post, Brookville, NY, U.S.A.
3. Department of Ecology and Environmental Resources, National University of Tainan, 33 Su-Lin Street, Section 2, Tainan 700, Taiwan