Red List of South African Species

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Vulnerable (VU)
Assessors: Justin Bode
Facilitators: Mark Williams
Reviewers: Silvia Kirkman Domitilla Raimondo Rolf Oberprieler

Rationale (Changed due to Same category and criteria)

Restricted to the Namaqualand coastline (EOO 698 km<sup>2</sup>), and recorded from fewer than five locations, this endemic taxon is potentially threatened by future mining activities. The taxon thus qualifies globally under the IUCN criteria as Vulnerable under Criterion D.

Distribution

Endemic to the Northern Cape Province in South Africa, occurring on the northern Namaqualand coast between Noup in the south and Port Nolloth in the north.

Decline

Urban development has taken place at Port Nolloth and McDougall’s Bay

Population trend

Trend

Known from nine subpopulations. There is no information currently available on population size and trends. Based on the extent of threats it would appear that there are four distinct locations: Noup, Kleinzee, McDougal's Bay and the area inland of Port Nolloth.

Threats

Diamond mining at Kleinsee and urban development at both Port Nolloth and McDougall’s Bay have caused past habitat loss and also pose a future potential threat to this taxon.

Conservation

The southern portion of the distribution range is situated in a restricted diamond-mining area. Efforts should be made to ensure that current and future mining activities do not endanger the known colonies. Urban development at Port Nolloth and McDougall’s Bay should be monitored.

References 

[@book{772,
 address = {Johannesburg &Cape Town},
 author = {Mecenero, S., Ball, J.B., Edge, D.A., Hamer, M.L., Henning, G.A., Krüger, M., Pringle, E.L., Terblanche, R.F. & Williams, M.C. (eds)},
 publisher = {Saftronics (pty) Ltd and  Animal Demography Unit, University of Cape Town},
 title = {Conservation assessment of butterflies of South Africa, Lesotho and Swaziland: Red List and Atlas.},
 year = {2013}
}
,@book{772,
 address = {Pretoria},
 author = {Henning, G.A., Terblanche, R.F. & Ball, J.B. (eds)},
 publisher = {South African National Biodiversity Institute},
 title = {South African Red Data Book: butterflies. SANBI Biodiversity Series},
 year = {2009}
}
,@article{772,
 author = {SANBI},
 journal = {South African National Biodiversity Institute},
 pages = {0},
 title = { Vegetation Map of South Africa, Lesotho and Swaziland [vector geospatial dataset] 2012. Available from the Biodiversity GIS website.},
 volume = {0},
 year = {2012}
}
,@book{893,
 author = {Williams, M.C.},
 publisher = {CD-ROM. Available from the author at mark.williams[at]up.ac.za.},
 title = {Butterflies and skippers of the Afrotropical Region.},
 year = {2016}
}
,]
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