A new snake of the genus Dendrelaphis Boulenger, 1890 (Squamata: Colubridae) from the coastal area of southern Vietnam Author Nguyen, Sang Ngoc Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan St., Dist. 3, Ho Chi Minh City, Vietnam & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Hanoi, Vietnam Author Nguyen, Vu Dang Hoang Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan St., Dist. 3, Ho Chi Minh City, Vietnam Author Le, Manh Van Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan St., Dist. 3, Ho Chi Minh City, Vietnam Author Nguyen, Luan Thanh 0000-0002-4663-125X Indo-Myanmar Conservation, No. 1806, C 14 Bac Ha Building, To Huu St., Tu Liem Dist., Hanoi, Vietnam nguyenluanbio @ gmail. com; https: // orcid. org / 0000 - 0002 - 4663 - 125 X nguyenluanbio@gmail.com Author Vo, Thi-Dieu-Hien Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam Author Vo, Ba Dinh Department of Biology, University of Science, Hue University, 77 Nguyen Hue St., Hue City, Vietnam Author Che, Jing Laboratory of Herpetological Diversity and Evolution, Kunming Institute of Zoology, CAS, China Author Murphy, Robert W. Reptilia Zoo and Education Centre, 2501 Rutherford Rd Vaughan, ON, Canada L 4 K 2 N 6 text Zootaxa 2023 2023-07-18 5318 1 130 144 http://dx.doi.org/10.11646/zootaxa.5318.1.6 journal article 10.11646/zootaxa.5318.1.6 1175-5326 8158335 64A7A20D-8589-439C-9AF5-AD4B0A934271 Dendrelaphis in Vietnam is provided below: 1a. Vertebral scale row distinctly enlarged, two supralabials touching the eye........................................ 2 1b. Vertebral scale row feebly enlarged, one supralabial touching the eye............................................ 3 2a. Ventrolateral black stripe present................................................................. D. pictus 2b. Ventrolateral black stripe absent............................................................ D. ngansonensis 3a. Dorsal scale rows 15 on midbody............................................................. D. subocularis 3b. Dorsal scale rows 13 on midbody........................................................... D. binhi sp. nov.