1. Graduate School of Human and Environmental Studies, Kyoto University, Yoshida Nihonmatsu, Sakyo-ku, Kyoto 606–8501, JAPAN
2. Department of Science Education, Aichi University of Education, 1 Hirosawa, Igaya, Kariya, Aichi 448–8542, JAPAN
3. Kitakyushu Museum of Natural History & Human History, Higashida 2–4–1, Yahatahigashi, Kitakyushu, Fukuoka 805–0071, JAPAN
4. Museum Zoologicum Bogoriense, Research Centre for Biology, National Research and Innovation Agency of Indonesia, Gd. Widyasatwaloka, Jl. Raya Jakarta–Bogor Km 46, Cibinong, West Java, INDONESIA
5. Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, MALAYSIA
6. Research and Development Division, Sarawak Forest Department, Kuching 93250, Sarawak, MALAYSIA
7. Sarawak Forestry Corporation, Jalan Sungai Tapang, Kota Sentosa, Kuching 93250, Sarawak, MALAYSIA