Red List of South African Species

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Vulnerable (VU)
B1ab(i,iii)
Assessors: Corinna Bazelet Piotr Naskrecki
Reviewers: Axel Hochkirch Mark Bushell

Rationale

The threat status of Uvarov's Clonia (Clonia uvarovi) is Vulnerable under criterion B1. Its extent of occurrence is relatively small (~5,000 km2), it has only been recorded in five locations, and the area, extent and quality of its habitat are expected to be in decline due to grazing pressure, cultivation, urban development, invasive alien plants and climate change. Furthermore, this species is not known to occur in any protected areas.

Distribution

Uvarov's Clonia is endemic to the highveld region of South Africa, and has only been recorded from Gauteng and North-West Provinces.

Population trend

Trend

No information on population sizes or trends is available.

Threats

This species occurs in tall, woodland savannah in areas which are under intensive grazing pressure by livestock and wildlife, cultivation with non-timber crops, urban development, and invasion by alien plant species such as Lantana spp., bugweed and other non-native weed species. Furthermore, climate change is already causing increasingly frequent extreme weather events in these regions, which is liable to drastically effect the distribution of grasses, the katydid's food plant.

Uses and trade

This species is not utilized.

Conservation

No specific conservation measures are in place for this species and it is not known to occur within any protected areas.

References 

[@electronic{58124,
 address = {www.iucnredlist.org},
 author = {IUCN},
 title = {The IUCN Red List of Threatened Species. Version 2014.3},
 year = {2014}
}
,@inbook{20658695,
 address = {Berlin},
 author = {Bailey  and Rentz },
 booktitle = {The Predatory Saginae},
 editor = {Kaltenbach, A.P.},
 pages = {281--302},
 publisher = {Springer-Verlag},
 title = {Tettigoniidae: Biology, Systematics and Evolution},
 year = {1990}
}
,@article{20658695,
 author = {Kaltenbach, A.P.},
 journal = {Annals of the Natal Museum},
 pages = {281--295 },
 title = {An illustrated key for identifying African Saginae (Saltatoria: Tettigoniidae)},
 volume = {21.0},
 year = {1972}
}
,]
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