Hylaeamys oniscus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	MAMMALIA	RODENTIA	CRICETIDAE

Scientific Name:

Hylaeamys oniscus

Species Authority:

(Thomas, 1904)

Common Name/s:

English

–

Sowbug Rice Rat

Synonym/s:

Oryzomys oniscus Thomas, 1904

Taxonomic Notes:

Oryzomys is a generic synonym (Weksler et al. 2006).

Assessment Information [top]

Red List Category & Criteria:	Vulnerable B1ab(iii) ver 3.1
Year Published:	2008
Assessor/s:	Percequillo, A. & Langguth, A.
Reviewer/s:	Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Contributor/s:
Justification: This species is listed as Endangered because its extent of occurrence is less than 20,000 km², its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat, though it is common where it occurs.

Geographic Range [top]

Range Description:	This species occurs along the Atlantic forest coast from Pernambuco State to northern Bahia State, Brazil (Eisenberg and Redford, 1999).
Countries:	Native: Brazil
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This species is locally common.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	This species has not been captured outside of forested areas and is cuurently confined to mosaics of severely fragmented remaining forested areas within a limited range.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	The major threats are habitat destruction, fragmentation and deforestation for sugar cane plantations. This species has a limited range in an area where much of the forest has been converted to agriculture and livestock.

Major Threat(s):

The major threats are habitat destruction, fragmentation and deforestation for sugar cane plantations. This species has a limited range in an area where much of the forest has been converted to agriculture and livestock.

Conservation Actions [top]

Conservation Actions:	This species occurs in several protected areas, including Biological Reserve Saltinho.

Conservation Actions:

This species occurs in several protected areas, including Biological Reserve Saltinho.

Bibliography [top]

	Eisenberg, J. F. and Redford, K. H. 1999. Mammals of the Neotropics: The Central Neotropics. The University of Chicago Press, Chicago, USA. Musser, G. G. and Carleton, M. D. 2005. Superfamily Muroidea. In: D. E. Wilson and D. A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA. Weksler, M., Percequillo, A. R. and Voss, R. S. 2006. Ten new genera of Oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537: 1-29.

Eisenberg, J. F. and Redford, K. H. 1999. Mammals of the Neotropics: The Central Neotropics. The University of Chicago Press, Chicago, USA.

Musser, G. G. and Carleton, M. D. 2005. Superfamily Muroidea. In: D. E. Wilson and D. A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Weksler, M., Percequillo, A. R. and Voss, R. S. 2006. Ten new genera of Oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537: 1-29.

Citation:	Percequillo, A. & Langguth, A. 2008. Hylaeamys oniscus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 26 May 2013.
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