1. Wolfson Wellcome Biomedical Laboratories, Department of Zoology, The Natural History Museum, London SW7 5BD, U.K.
2. Department of Biology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
3. Key Laboratory of Cellular & Molecular Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, P.R. China
4. Laboratory for Conservation and Utilization of Bio‐resource, Yunnan University, Kunming 650091, P.R. China