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Type: Article
Published: 2019-07-25
Page range: 501–526
Abstract views: 161
PDF downloaded: 7

A taxonomic reappraisal of the Smooth Slug Snake Asthenodipsas laevis (Boie, 1827) (Squamata: Pareidae) in Borneo with the description of two new species

School of Biological Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia. Herpetology Laboratory, Department of Biology, La Sierra University, Riverside, California, USA.
Herpetology Laboratory, Department of Biology, La Sierra University, Riverside, California, USA.
Lee Kong Chian Natural History Museum, National University of Singapore, 2, Conservatory Drive, 117377 Singapore.
School of Biological Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia. Center for Marine and Coastal Studies, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia.
Musuem of Zoology, Research & Education Division, Sabah Parks, 10626 Kota Kinabalu, Sabah, Malaysia.
Reptilia Pareas reptile conservation endemic biodiversity Malaysia

Abstract

A review of the taxonomic status of the Smooth Slug Snake (Asthenodipsas laevis) in Borneo resulted in the discovery of two previously unrecognised species from the highlands of Sabah, East Malaysia. Asthenodipsas jamilinaisi sp. nov. and A. stuebingi sp. nov. are presumed to be closely related to A. laevis based on similarities in pholidosis and patterning but can be separated from A. laevis by their dorsal scale rows of 15/15/15 vs 15/15/13 and the presence of a sharp vertebral keel. Asthenodipsas jamilinaisi sp. nov. can be further differentiated from A. stuebingi sp. nov. by the greatly enlarged size of the vertebral scales, higher number of ventrals in males (173–175 vs 165), higher number of subcaudals (53 vs 35–47) and colour pattern (dark overall with indistinct bands vs lighter head and body with clear, distinct bands and a dark neck patch). The discovery highlights the need for more careful examination of much of the herpetofauna of Borneo that still remains underestimated and understudied. There is an urgent need for continued surveys into its diversity and the collection of genetic material for integrated taxonomic revisions.

 

References

  1. Asad, S., Mathai, J., Laird, D., Ong, N. & Buckingham, L. (2015). Preliminary Herpetofaunal Inventory of a Logging Concession in the Upper Baram, Sarawak, Borneo. Herpetological Review, 46 (1), 64–68.

    Bickford, D., Howard, S.D., Ng, D.J.J. & Sheridan, J.A. (2010) Impacts of climate change on the amphibians and reptiles of Southeast Asia. Biodiversity and Conservation, 19 (4), 1043–1062.

    https://doi.org/10.1007/s10531-010-9782-4

    Boie, F. (1827) Bemerkungen über Merrem´s Versuch eines Systems der Amphibien. Marburg. 1820. 1te Lieferung: Ophidier. Isis von Oken, Jena, 20 (10), 508–566

    Boulenger, G.A. (1896) Catalogue of the Snakes in the British Museum (Natural History). Volume III. Trustees of the British Museum, London, xiv + 727 pp., 15 plates.

    https://doi.org/10.5962/bhl.title.8316

    Chan-ard, T., Parr, J.W.K. & Nabhitabhata, J. (2015) A field guide to the reptiles of Thailand. Oxford University Press, New York, 352 pp.

    Das, I. (2006) Crocker Range National Park, Sabah, as a refuge for Borneo’s montane herpetofauna. Amphibian and Reptile Conservation, 4 (1), 3–11.

    Das, I. (2010) A Field Guide to the Reptiles of South-East Asia. New Holland Publishers, London, 376 pp.

    David, P. & Vogel, G. (1996) The Snakes of Sumatra. An Annotated Checklist and Key with Natural History Notes. Edition Chimaira, Frankfurt, 260 pp.

    de Rooij, N. (1917) The Reptiles of the Indo-Australian Archipelago. II. Ophidia. E. J. Brill Ltd., Leiden, 334 pp.

    https://doi.org/10.5962/bhl.title.10610

    Grismer, L.L., Ismail, L.H.B, Awang, M.T., Rizal, S.A. & Ahmad, A.B. (2014a) A new species of lowland skink (genus Lipinia Gray, 1845) from northeastern Peninsular Malaysia. Zootaxa, 3821 (4), 457–464.

    https://doi.org/10.11646/zootaxa.3821.4.4

    Grismer, L.L. & Quah, E.S.H. (2015) The Rediscovery of Sphenomorphus malayanus Doria, 1888 (Squamata: Scincidae) from the Titiwangsa Mountain Range of Peninsular Malaysia and its re-description as S. senja sp. nov. Zootaxa, 3931 (1), 63–70.

    Grismer, L.L., Quah, E.S.H., Zaharil, D. & Yambun, P. (2018a) On the taxonomy of Lygosoma bampfyldei Bartlett, 1895 (Squamata: Scincidae) with descriptions of new species from Borneo and Peninsular Malaysia and the resurrection of Lygosoma schneideri Werner, 1900. Zootaxa, 4438 (3), 528–550.

    https://doi.org/10.11646/zootaxa.4438.3.6

    Grismer, L.L., Wood, P.L. Jr., Lee, C.H., Quah, E.S.H., Shahrul A., Ngadi, E. & Sites, J. Jr. (2015) An integrative taxonomic review of the genus Bronchocela (Kuhl, 1820) from Peninsular Malaysia with descriptions of new montane and insular endemics. Zootaxa, 3948 (1), 1–23.

    https://doi.org/10.11646/zootaxa.3948.1.1

    Grismer, L.L., Wood, P.L. Jr., Quah, E.S.H., Shahrul, A., Ehwan, N., Nur Amalina, M.I. & Norhayati, A. (2018b) Systematics, ecomorphology, cryptic speciation and biogeography of the lizard genus Tytthoscincus Linkem, Diesmos & Brown (Squamata: Scincidae) from the sky-island archipelago of Peninsular Malaysia. Zoological Journal of the Linnean Society, 183 (3), 635–671.

    https://doi.org/10.1093/zoolinnean/zlx067

    Grismer, L.L., Wood, P.L. Jr., Quah, E.S.H., Shahrul, A., Muin, M.A., Sumontha, M., Norhayati, A., Bauer, A.M., Wangkulangkul, S., Grismer, J.L. & Pauwels, O.S.G. (2012) A phylogeny and taxonomy of the Thai-Malay Peninsula bent-toed geckos of the Cyrtodactylus pulchellus complex (Squamata: Gekkonidae): combined morphological and molecular analyses with descriptions of seven new species. Zootaxa, 3520 (1), 1–55.

    https://doi.org/10.11646/zootaxa.3520.1.1

    Grismer, L.L., Wood, P.L. Jr., Shahrul, A., Riyanto, A., Norhayati, A., Muin, M.A., Sumontha, M., Grismer, J.L., Chan, K.O., Quah, E.S.H. & Pauwels, O.S.G. (2014b) Systematics and natural history of Southeast Asian Rock Geckos (genus Cnemaspis Strauch, 1887) with descriptions of eight new species from Malaysia, Thailand, and Indonesia. Zootaxa, 3880 (1), 1–147.

    https://doi.org/10.11646/zootaxa.3880.1.1

    Grismer, L.L., Wood, P.L. Jr., Syafiq, M.F., Badli-Sham, B.H., Rizal, S.A., Ahmad, A.B. & Quah, E.S.H. (2016) On the taxonomy and phylogeny of the skinks Lipinia sekayuensis Grismer, Ismail, Awang, Rizal, & Ahmad and Lipinia surda Boulenger from Peninsular Malaysia. Zootaxa, 4147 (1), 59–66.

    https://doi.org/10.11646/zootaxa.4147.1.3

    Grossmann, W. & Tillack, F. (2003) On the Taxonomic Status of Asthenodipsas tropidonotus (Van Lidth De Jeude, 1923) and Pareas vertebralis (Boulenger, 1900) (Serpentes: Colubridae: Pareatinae). Russian Journal of Herpetology, 10 (3), 175–90.

    Haile, N.S. (1958) The snakes of Borneo. Sarawak Museum Journal, Kuching, New Series, 8 (12), 743–771.

    Inger, R.F., Stuebing, R.B., Grafe, U.T. & Dehling, M.J. (2017) A Field Guide to the Frogs of Borneo (3rd edition). Natural History Publications (Borneo), Kota Kinabalu, 228 pp.

    Iskandar, D.T. & Colijn, E. (2001) A Checklist of Southeast Asian and New Guinean Reptiles. Part I: Serpentes. Biodiversity Conservation Project (Indonesian Institute of Sciences―Japan International Cooperation Agency―The Ministry of Forestry), The Gibbon Foundation and Institute of Technology, Bandung, 195 pp.

    Jablonski, D. & Hegner, D. (2016) Death feigning behaviour in Aplopeltura boa. The Herpetological Bulletin, 136, 31–32.

    Jombart, T., Devillard, S. & Balloux, F. (2010) Discriminant analysis of principal components: a new method for the analysis of genetically structured populations. BMC Genetics, 11, 94.

    https://doi.org/10.1186/1471-2156-11-94

    Lim, F.L.K. (2009) Asthenodipsas laevis (Reptilia: Squamata: Pareatidae), a snake record for Singapore that was almost forgotten. Nature in Singapore, 2, 463–465.

    Loredo, A.I., Wood, Jr. P.L., Quah, E.S.H., Shahrul, A., Greer, L.F., Ahmad, N. & Grismer, L.L. (2013) Cryptic speciation within Asthenodipsas vertebralis (Boulenger, 1900) (Squamata: Pareatidae), the description of a new species from Peninsular Malaysia, and the resurrection of A. tropidonotus (Lidth de Jude, 1923) from Sumatra: an integrative taxonomic analysis. Zootaxa, 3664 (4), 505–524.

    https://doi.org/10.11646/zootaxa.3664.4.5

    Loveridge, A. (1938) New snakes of the genera Calamaria, Bungarus and Trimeresurus from Mount Kinabalu, North Borneo. Proceedings of the Biological Society of Washington, 51, 43–46.

    Malkmus, R. (1996) Herpetologische Beobachtungen am Mount Kinabalu, Nord-Borneo. V. Mitteilungen aus dem Zoologischen Museum in Berlin, 72 (2), 277–295.

    Malkmus, R., Manthey, U., Vogel, G., Hoffmann, P. & Kosuch, J. (2002) Amphibians and Reptiles of Mount Kinabalu (NorthBorneo). A.R.G. Ganter Verlag, Ruggel, 424 pp.

    Manthey, U. & Grossmann, W. (1997) Amphibien & Reptilien Südostasiens. Natur und Tier Verlag, Münster, 512 pp.

    Peh, K.S.H., Soh, M.C.K., Sodhi, N.S., Laurance, W.F., Ong, D.J. & Clements, R. (2011) Up in the clouds: is sustainable use of tropical montane cloud forests possible in Malaysia? Bioscience, 61 (1), 27–38.

    https://doi.org/10.1525/bio.2011.61.1.8

    van Berkel, T.B.T., Rogers, L.D., Kilburn, H.J., Munir, M., Mortiboys, D.M. & Goodchild, R. (2012) A preliminary biodiversity survey of a lowland rainforest in Bukit Batikap Protection Forest, Central Kalimantan, Indonesian Borneo. Murung Raya Expedition 2010-2011, Scientific Report, Heart of Borneo Project, 86 pp.

    van Rooijen, J. & van Rooijen, M. (2007) The land snakes of the Santubong Peninsula, Sarawak, Borneo: a preliminary list of species with natural history notes. Russian Journal of Herpetology, 14 (1), 27–38.

    Quah, E.S.H., Anuar, S., Grismer, L.L. & Grassby-Lewis, R. (2017) A new species of Dibamus Duméril & Bibron 1839 (Squamata: Dibamidae) from a hill station in Peninsular Malaysia. Raffles Bulletin of Zoology, 65, 681–690.

    R Core Team. (2015) R: A language and environment for statistical computing. R Foundation for Statistical Computing. Vienna. Available from: http://www.R-project.org (accessed 26 April 2019)

    Sabaj, M.H. (2016) Standard symbolic codes for institutional resource collections in herpetology and ichthyology: an Online Reference. Version 6.5. Available from: http://www.asih.org/ (23 March 2019)

    Stuebing, R.B. (1991) A checklist of the snakes of Borneo. Raffles Bulletin of Zoology Singapore, 39 (2), 323–362.

    Stuebing, R.B. & Inger, R.F. (1999) A Field Giude to the Snakes of Borneo. Natural History Publications (Borneo), Kota Kinabalu, 254 pp.

    Stuebing, R.B., Inger, R.F. & Lardner, B. (2014) A field guide to the snakes of Borneo (2nd edition). Natural History Publications (Borneo), Kota Kinabalu, 310 pp.

    Uetz, P., Freed, P. & Hošek, J. (2019) The Reptile Database. Available from: http://www.reptile-database.org (accessed 24 June 2019)