Nguyen Truong Quang, Pham Anh VAN, Ziegler Thomas, Ngo Hanh Thi, LE Minh Duc
Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam.
Zootaxa. 2017 Oct 30;4341(1):25-40. doi: 10.11646/zootaxa.4341.1.2.
We describe a new species of Cyrtodactylus on the basis of four specimens collected from the limestone karst forest of Phu Yen District, Son La Province, Vietnam. Cyrtodactylus sonlaensis sp. nov. is distinguished from the remaining Indochinese bent-toed geckos by a combination of the following characters: maximum SVL of 83.2 mm; dorsal tubercles in 13-15 irregular rows; ventral scales in 34-42 rows; ventrolateral folds prominent without interspersed tubercles; enlarged femoral scales 15-17 on each thigh; femoral pores 14-15 on each thigh in males, absent in females; precloacal pores 8, in a continuous row in males, absent in females; postcloacal tubercles 2 or 3; lamellae under toe IV 18-21; dorsal head with dark brown markings, in oval and arched shapes; nuchal loop discontinuous; dorsum with five brown bands between limb insertions, third and fourth bands discontinuous; subcaudal scales distinctly enlarged. In phylogenetic analyses, the new species is nested in a clade consisting of C. huongsonensis and C. soni from northern Vietnam and C. cf. pulchellus from Malaysia based on maximum likelihood and Bayesian analyses. In addition, we record Cyrtodactylus otai Nguyen, Le, Pham, Ngo, Hoang, Pham & Ziegler for the first time from Son La Province based on specimens collected from Van Ho District.
我们基于从越南山萝省富安县的石灰岩喀斯特森林中采集的四个标本，描述了弯脚虎属的一个新物种。新物种山萝弯脚虎（Cyrtodactylus sonlaensis sp. nov.）与其他印度支那弯脚虎的区别在于以下特征组合：最大头体长83.2毫米；背部瘤鳞有13 - 15排不规则排列；腹鳞有34 - 42排；腹外侧褶明显，无散布的瘤鳞；每条大腿上有15 - 17枚扩大的股鳞；雄性每条大腿上有14 - 15个股孔，雌性无；雄性泄殖腔前孔8个，呈连续一排，雌性无；泄殖腔后瘤2或3个；第四趾下瓣18 - 21枚；头部背面有深褐色斑纹，呈椭圆形和拱形；颈部环纹不连续；背部在四肢间有五条褐色带纹，第三和第四条带纹不连续；尾下鳞明显增大。在系统发育分析中，基于最大似然法和贝叶斯分析法，新物种嵌套在一个分支中，该分支包括来自越南北部的香松弯脚虎（C. huongsonensis）和索尼弯脚虎（C. soni）以及来自马来西亚的近似美丽弯脚虎（C. cf. pulchellus）。此外，我们根据从万和区采集的标本，首次记录到山萝省的奥氏弯脚虎（Cyrtodactylus otai Nguyen, Le, Pham, Ngo, Hoang, Pham & Ziegler）。
