Pseudoeurycea orchileucos


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Pseudoeurycea orchileucos
Species Authority: (Brodie, Mendelson & Campbell, 2002)
Common Name(s):
English Sierra de Juárez Worm Salamander
Lineatriton orchileucos Brodie, Mendelson & Campbell, 2002
Taxonomic Notes: This genus is undergoing taxonomic revision (G. Parra-Olea and D. Wake pers. comm.). There is a question as to whether both Pseudoeurycea orchileucos and Pseudoeurycea orchimelas are distinct, valid species.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Parra-Olea, G. & Wake, D.
Reviewer(s): Stuart, S.N., Chanson, J.S., Cox, N.A. & Young, B.E.
Listed as Endangered because its Extent of Occurrence is less than 5,000 km2, all individuals are in fewer than five locations, and there is continuing decline in the extent and quality of its habitat in northern Oaxaca, Mexico.

Geographic Range [top]

Range Description: This species is known only from the northern slopes of the Sierra de Juarez, northern Oaxaca, Mexico, at 1,100m asl.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is very poorly known, and only a few specimens have ever been recorded, despite much fieldwork having been carried out in its range.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It lives in cloud forest, where it is terrestrial and fossorial, and does not survive in seriously disturbed habitats. It breeds by direct development and is not dependent upon water.
Systems: Terrestrial

Threats [top]

Major Threat(s): The main threats are habitat loss due to logging, human settlement, and expanding agriculture.

Conservation Actions [top]

Conservation Actions: It does not occur in any protected areas, making habitat protection a priority to ensure the long-term survival of this species. Further survey work is needed to determine its current population status.

Citation: Parra-Olea, G. & Wake, D. 2008. Pseudoeurycea orchileucos. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 27 August 2015.
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