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Trachycystis haygarthi

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA MOLLUSCA GASTROPODA STYLOMMATOPHORA CHAROPIDAE

Scientific Name: Trachycystis haygarthi
Species Authority: (Melvill & Ponsonby, 1899)

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Assessor(s): Herbert, D.G.
Reviewer(s): Seddon, M.B. & Herbert, D.G. (Mollusc Red List Authority)
Justification:
Trachycystis haygarthi is known only from two forests, separated by only 35 km. The extent of the two forests are 2,800 hectares and 620 hectares. Total area of occupancy is thus probably less than 3,500 hectares (=35 km²). Although both forests are formally protected areas, the degree of protection afforded by this status is limited, particularly in the case of Nkandla Forest, and a decline in the quality and extent of the habitat is probable

Geographic Range [top]

Range Description: Known only from Nkandla and Entumeni forests inland of Eshowe. The two forests are separated by only 35 km. The extent of the two forests is: Nkandla Forest 2,800 ha and Entumeni Forest 620 ha. Total area of occupancy is thus probably less than 3,500 ha.
Countries:
Native:
South Africa (KwaZulu-Natal)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Mist-belt Podocarpus and scarp forest.
Systems: Terrestrial

Threats [top]

Major Threat(s): Both forests are formally conserved areas under the control of KZN Wildlife. As such they are afforded a degree of protection, but both are in remote, very rural areas and subject to utilisation by local people and their livestock, particularly Nkandla Forest.

Conservation Actions [top]

Conservation Actions: Although both forests are formally protected areas, the degree of protection afforded by this status is limited, particularly in the case of Nkandla Forest, and a decline in the quality and extent of the habitat is probable.

Bibliography [top]

Connolly, M. 1939. A Monographic survey of South African non-marine Mollusca. Annals of the South African Museum 33:1-660.

Herbert, D.G. and Kilburn, R.N. in prep. A field guide to the snails and slugs of eastern South Africa

IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.


Citation: Herbert, D.G. 2004. Trachycystis haygarthi. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 01 August 2014.
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