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Description of a New Species of the Genus Leptobrachella (Amphibia, Anura, Megophryidae) from Borneo
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Abstract
Abstract:
We describe a tiny megophryid frog Leptobrachella juliandringi sp. nov. from Northeastern to Central Sarawak, Malaysian Borneo. This species is distributed in hilly and montane regions, and has long been confused with L. mjobergi. Based on the assessment using morphological and bioacoustic approaches, we conclude that the new species is distinct from all the other congeneric species including topotypic L. mjobergi from western Sarawak in possessing a series of elongate glands ventrolaterally on the trunk, broken reticulated marking on the ventrum, strap-like lineae masculinae, and an advertisement call with a chirp. The new species is also differentiated phylogenetically from the other congeners, and tends to form a group with true L. mjobergi but with a large genetic divergence.
Accepted 18 6月 2015
Acknowledgments:
The Economic-Planning Unit (former Socio-Economic Research Unit) of Malaysia, the State Government of Sarawak, and Sabah Parks kindly permitted us to conduct the project, and Universiti Malaysia Sabah, JICA, the Sarawak Forestry Corporation, and the Sarawak Biodiversity Centre kindly provided all the facilities for conducting research. We are grateful to Datu Haji Len Talif Salleh, Haji Ali Bin Yusop, Marker Nyogin, Mohd. Shabudin Sabki, Uning, Haji Abang Mohamad Mohtar Bin Abang Pawozan, Paulus Ak Meleng, Mohamad Yazid Hossman, Fatimah Binti Mohammad, Brian Clark, and T. Ichioka for their encouragement and/or permission to conduct research and export specimens, to L. Apin, the late A. A. Hamid, T. Hikida, T. Kusano, D. Labang, M. B. Lakim, M. Maryati, T. Shimada, A. Sudin, T. Tachi, and P. Yambun for their field companionship, and to A. Hamidy for laboratory assistance. We thank two anonymous reviewers for providing helpful comments that improved the early version of the manuscript. Field trips were made possible by grants from The Monbusho International Scientific Research Program (Field Research, 01041051, 02041051, 04041068, 06041066, and 08041144) and The Monbukagakusho through the Japanese Society for the Promotion of Sciences (JSPS: Field Research, 15370038,20405013, and 23405014) to MM and by the Shikata Memorial Trust for Nature Conservation to KE.
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