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

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.

Automated summary

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.