Mcdonald Keith R, Rowley Jodi J L, Richards Stephen J, Frankham Greta J
Honorary Associate, Queensland Museum, PO Box 3300, South Brisbane, QLD 4101, Australia; Email: unknown.
Australian Museum Research Institute, 1 William St, Sydney, NSW, 2010, Australia Centre for Ecosystem Science, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney NSW 2052, Australia; Email:
Zootaxa. 2016 Sep 26;4171(1):153-169. doi: 10.11646/zootaxa.4171.1.6.
We describe a new species of treefrog from northern Australia. Litoria bella sp. nov. is morphologically and genetically most similar to frogs in the L. gracilenta and L. chloris groups but is distinguished from all members in these groups by a combination of a moderately large male body size (34.5-41.8 mm SVL), near-immaculate green dorsum, orange venter, bright orange digits and webbing, bluish purple lateral surfaces of the thighs, no pale canthal stripe, white bones, and a highly-pulsed, single-note, male advertisement call with a pulse rate of 56-64 pulses/s and dominant frequency of 2.6-2.8 kHz. Litoria bella sp. nov. has a patchy distribution across the Cape York Peninsula, inhabiting rainforest and monsoon vine thicket in close association with watercourses. The new species' affinities lie with L. auae from southern New Guinea rather than with L. gracilenta from eastern Australia. Molecular data suggest that the L. gracilenta group should be expanded to include L. chloris and L. xanthomera, two moderately large green treefrogs from eastern Australia.
我们描述了一种来自澳大利亚北部的树蛙新物种。丽纹细趾树蛙（Litoria bella sp. nov.）在形态和基因上与细趾树蛙组（L. gracilenta）和绿纹树蛙组（L. chloris）中的蛙类最为相似，但通过以下特征组合与这些组中的所有成员区分开来：雄性体型中等偏大（体长34.5 - 41.8毫米）、背部近乎无瑕的绿色、腹部橙色、指和蹼为亮橙色、大腿外侧表面呈蓝紫色、无浅色的眶上纹、骨骼白色，以及具有高脉冲、单音符的雄性求偶鸣叫，脉冲率为56 - 64次/秒，主频为2.6 - 2.8千赫。丽纹细趾树蛙（Litoria bella sp. nov.）在约克角半岛分布零散，栖息于与水道紧密相连的雨林和季风藤本灌丛中。该新物种与来自新几内亚南部的奥阿树蛙（L. auae）亲缘关系较近，而非与来自澳大利亚东部的细趾树蛙（L. gracilenta）。分子数据表明，细趾树蛙组（L. gracilenta）应扩大到包括来自澳大利亚东部的两种中等体型的绿色树蛙——绿纹树蛙（L. chloris）和黄纹树蛙（L. xanthomera）。
