New records of the Near Threatened species Ololygon trapicheiroi (Anura: Hylidae)

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Abstract

ABSTRACT Ololygon trapicheiroi is a small tree frog of the Ololygon catharinae group which inhabits mountainous areas in the Atlantic Rainforest region of Southeastern Brazil. On 30 April 2017, in the area rural of the Municipality of Passa Vinte, State of Minas Gerais, Brazil, we observed several specimens of Ololygon trapicheiroi. Here we report new records of Ololygon trapicheiroi throughout Minas Gerais, Rio de Janeiro and São Paulo states, Brazil and provide a distribution map of the species.

Translated abstract

RESUMEN Ololygon trapicheiroi es una pequeña rana arbórea del grupo Ololygon catharinae que habita en áreas montañosas en la región de la Selva Atlántica del sureste de Brasil. El 30 de abril de 2017, en el área rural del Municipio de Passa Vinte, estado de Minas Gerais, Brasil, observamos varios especímenes de Ololygon trapicheiroi. Aquí presentamos nuevos registros de Ololygon trapicheiroi en los estados de Minas Gerais, Río de Janeiro y São Paulo, Brasil y proporcionamos un mapa de distribución de la especie.

Related collections

Most cited references 15

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Phylogenetics, classification, and biogeography of the treefrogs (Amphibia: Anura: Arboranae).

William E Duellman, Angela B Marion, S Blair Hedges (2016)

A phylogenetic analysis of sequences from 503 species of hylid frogs and four outgroup taxa resulted in 16,128 aligned sites of 19 genes. The molecular data were subjected to a maximum likelihood analysis that resulted in a new phylogenetic tree of treefrogs. A conservative new classification based on the tree has (1) three families composing an unranked taxon, Arboranae, (2) nine subfamilies (five resurrected, one new), and (3) six resurrected generic names and five new generic names. Using the results of a maximum likelihood timetree, times of divergence were determined. For the most part these times of divergence correlated well with historical geologic events. The arboranan frogs originated in South America in the Late Mesozoic or Early Cenozoic. The family Pelodryadidae diverged from its South American relative, Phyllomedusidae, in the Eocene and invaded Australia via Antarctica. There were two dispersals from South America to North America in the Paleogene. One lineage was the ancestral stock of Acris and its relatives, whereas the other lineage, subfamily Hylinae, differentiated into a myriad of genera in Middle America.