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Stylurus townesi

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA ARTHROPODA INSECTA ODONATA GOMPHIDAE

Scientific Name: Stylurus townesi
Species Authority: Gloyd, 1936
Common Name/s:
English Towne's Clubtail

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor/s: Abbott, J.C.
Reviewer/s: Donnelly, N., Suhling, F. & Clausnitzer, V. (Odontata Red List Authority)
Justification:
Known from 11 sites in six southeastern states. Probably thousands in each stream, but known from probably less than 200 miles of stream. Evidently needs very high water quality. Apparently susceptible to alterations in stream flow and water quality. The known sites are subject to continuing habitat degradation. Estimated extent of occupancy is less than 5,000 km² and area of occupancy less than 500 km².
History:
1996 Vulnerable (Baillie and Groombridge 1996)
1996 Vulnerable
1994 Rare (Groombridge 1994)
1990 Rare (IUCN 1990)
1988 Rare (IUCN Conservation Monitoring Centre 1988)
1986 Rare (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description: Endemic to the United States. Verified from eight counties in six states.
Countries:
Native:
United States (Alabama, Florida, Mississippi, North Carolina, South Carolina, Tennessee)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Current population size is unknown.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Streams and clean, sand-bottomed forest streams and rivers (Dunkle 2000).
Systems: Terrestrial; Freshwater
Citation: Abbott, J.C. 2007. Stylurus townesi. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 24 April 2014.
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