期刊
ZOOTAXA
卷 4039, 期 3, 页码 401-417出版社
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.4039.3.1
关键词
Acoustics; Anura; Leptolalax isos sp nov.; Cambodia; Southeast Asia; Vietnam
类别
资金
- ADM Capital Foundation
- John D. and Catherine T. MacArthur Foundation
- Annie Alexander Endowment
- Museum of Vertebrate Zoology
- University of California, Berkeley
- Conservation International
- STMVQG 06G14-16 project
We describe a new, medium-sized Leptolalax species from the Kon Tum Plateau of Vietnam and adjacent Cambodia. Leptolalax isos sp. nov. is distinguished from its congeners by a combination of an absence of distinct dark brown/black dorsolateral markings; toes with rudimentary webbing, wide lateral dermal fringes in males and weak or absent lateral dermal fringes in females; most males with wide lateral dermal fringes on Finger II, a body size of 23.7-27.9 mm in 38 adult males and 28.6-31.5 mm in 9 adult females, near immaculate white chest and belly; absence of white speckling on the dorsum; and a call consisting of 2-3 notes with a dominant frequency of 5.9-6.2 kHz ( at 22.4-22.8 degrees C). Uncorrected sequence divergences between L. isos sp. nov. and all homologous 16S rRNA sequences available are >10%. At present, the new species is known from montane evergreen forest between similar to 650-1100 m elevation in northeastern Cambodia and central Vietnam. Habitat within the range of the new species is threatened by deforestation and upstream hydroelectric dams.
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