Isthmohyla xanthosticta


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Isthmohyla xanthosticta
Species Authority: (Duellman, 1968)
Common Name(s):
English South Fork Treefrog
Hyla xanthosticta Duellman, 1968
Taxonomic Notes: This species was previously within the genus Hyla but has recently been moved to the new genus Isthmohyla (Faivovich et al. 2005). Additional specimens are needed to better determine the validity of this species (Federico Bolaños pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Bolaños, F. & Savage, J.
Reviewer(s): Stuart, S.N., Chanson, J.S., Cox, N.A. & Young, B.E.
Listed as Data Deficient in view of the taxonomic problems, absence of recent information on its extent of occurrence, status and ecological requirements.

Geographic Range [top]

Range Description: This species is known only from the type locality, the south fork of the Río Las Vueltas, on the south slope of Volcán Barva in Heredia Province, Costa Rica, at 2,100m asl.
Costa Rica
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on its population status, as this species is known only from two specimens from the same locality (Federico Bolaños pers. comm.).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It was found in lower montane rainforest and presumably breeds in water.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): If this species has declined or disappeared, it would have happened in pristine habitat, and possible threats would therefore include chytridiomycosis, climate change and airborne pollution.

Conservation Actions [top]

Conservation Actions: The original collecting locality is protected within the Parque Nacional Braulio Carrillo. Given the possible threat of chytridiomycosis this species should be monitored carefully.

Citation: Bolaños, F. & Savage, J. 2008. Isthmohyla xanthosticta. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 31 August 2015.
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