4.3 Article

Description of a new Xenorhina species (Anura, Microhylidae) from northwestern Papua New Guinea

期刊

VERTEBRATE ZOOLOGY
卷 71, 期 -, 页码 621-630

出版社

STAATLICHES MUSEUM TIERKUNDE DRESDEN
DOI: 10.3897/vz.71.e66954

关键词

Amphibia; New Guinea; Sepik River Basin; new species; advertisement call; taxonomy; ecofaunistics

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资金

  1. Conservation International
  2. Wildlife Conservation Society (PNG Program, Goroka)
  3. Binatang Research Center (Madang)

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A new species of the microhylid genus Xenorhina has been described from the lowlands of northwestern Papua New Guinea. This medium-sized species can be distinguished by its unique features and produces a melodic advertisement call with a duration of 141-165 ms.
We describe a new species of the asterophryine microhylid genus Xenorhina from the lowlands of northwestern Papua New Guinea. It is a medium-sized species (SUL of two males 29.2 and 29.9 mm; of four females 29.9-33.0 mm) that can be distinguished from congeners by having a single short, triangular odontoid spike (palatal tooth) on each vomeropalatine bone, moderately short legs (TL/ SUL 0.40-0.44) and ventral surfaces heavily spotted with reddish-brown blotches or reticula. The advertisement call comprises 7-10 loud, melodious hooting notes lasting 141-165 ms and produced at a repetition rate of 2.19-2.35 notes/s. Description of this species brings to 41 the number of Xenorhina known from New Guinea and surrounding islands.

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