Stylurus potulentus 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Gomphidae

Scientific Name: Stylurus potulentus
Species Authority: (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:
1996 Vulnerable (VU)
1994 Vulnerable (V)
1990 Vulnerable (V)
1988 Vulnerable (V)
1986 Vulnerable (V)

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)
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.

Citation: Abbott, J.C. 2007. Stylurus potulentus. The IUCN Red List of Threatened Species 2007: e.T21118A9247873. . Downloaded on 27 June 2016.
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