Stylurus potulentus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Gomphidae

Scientific Name: Stylurus potulentus (Needham, 1942)
Common Name(s):
English Yellow-sided Clubtail
Gomphus potulentus Needham, 1942

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(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. (Odonata Red List Authority)
Known from seven streams and one river in southern Mississippi and the Florida Panhandle. Probably hundreds to thousands per stream, but known from perhaps 200 miles of stream. Population trend unknown, but species seems extremely sensitive to any alteration of water quality. Apparently needs pristine waters.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to the United States. Known from seven counties in the states of Florida and Mississippi. Current population size is unknown. Probably undersurveyed because of its cryptic nature.
Countries occurrence:
United States (Florida, Mississippi)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is often locally common.
Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Pristine, sand-bottomed forest streams and rivers (Dunkle 2000)..
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): Pollution and channelization along with military bases, shipyards, seafood processing establishments, vacation homes and a major interstate all interrupt this species habitat.

Classifications [top]

5. Wetlands (inland) -> 5.1. Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
1. Research -> 1.2. Population size, distribution & trends

Bibliography [top]

Baillie, J. and Groombridge, B. (eds). 1996. 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.

Dunkle, S. 2000. Dragonflies through binoculars. Oxford Univ. Press, N.Y.

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 1990. IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 2007. 2007 IUCN Red List of Threatened Species. Available at: (Accessed: 12th September 2007).

Citation: Abbott, J.C. 2007. Stylurus potulentus. The IUCN Red List of Threatened Species 2007: e.T21118A9247873. . Downloaded on 25 June 2018.
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