Ophiogomphus edmundo

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	ARTHROPODA	INSECTA	ODONATA	GOMPHIDAE

Scientific Name:

Ophiogomphus edmundo

Species Authority:

Needham, 1951

Common Name/s:

English

–

Edmund, Edmund's Snaketail

Assessment Information [top]

Red List Category & Criteria:

Endangered B1ab(iii) ver 3.1

Year Published:

2009

Assessor/s:

Paulson, D.R.

Reviewer/s:

Clausnitzer, V. & Kalkman, V. (Odonata Red List Authority)

Contributor/s:

Justification:
O. edmundo has a very restricted range and known rivers where is occurs are subject to some loss of wooded habitat that provides feeding areas when away from water. Also there is potential to be impacted by pollution, channelization, siltation, and impoundments modifying habitat away from the optimal preference for species. The species is considered Imperilled (G2) by Bick (2003).

History:

2007	–	Endangered
1996	–	Endangered
1994	–	Extinct? (Groombridge 1994)
1990	–	Extinct? (IUCN 1990)
1988	–	Extinct? (IUCN Conservation Monitoring Centre 1988)
1986	–	Extinct? (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description:	Ophiogomphus edmundo is found in three states in the United States of America including these locations: Conasauga River in adjacent Tennessee and Georgia plus four additional localities in these two states. It has an estimated Extent of Occurrence of less than 1,000 km² (G. Beaton pers. comm. 2006).
Countries:	Native: United States (Georgia, North Carolina, Tennessee)
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	The population size of O. edmundo is probably rather small because of its limited range and habitat preference. At localities where species are known, it is presumed hundreds of larvae are present but adult population at any given time remains unknown.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Species is found in clear, moderately flowing mountain streams.
Systems:	Terrestrial; Freshwater

Threats [top]

Major Threat(s):	O. edmundo is currently, and will continue to be, affected by impoundments, channelization, siltation, and pollution of water. Logging and vacation home development may both pose threats, although they do not seem to be severe in the immediate future.

Major Threat(s):

O. edmundo is currently, and will continue to be, affected by impoundments, channelization, siltation, and pollution of water. Logging and vacation home development may both pose threats, although they do not seem to be severe in the immediate future.

Conservation Actions [top]

Conservation Actions:	The Conasauga River runs through fairly rugged country in national forests in Tennessee and Georgia, so it is somewhat protected. The species is also state-listed in Georgia, and its occurrence is presently being surveyed (G. Beaton, pers. comm. 2008).

Conservation Actions:

The Conasauga River runs through fairly rugged country in national forests in Tennessee and Georgia, so it is somewhat protected. The species is also state-listed in Georgia, and its occurrence is presently being surveyed (G. Beaton, pers. comm. 2008).

Citation:	Paulson, D.R. 2009. Ophiogomphus edmundo. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
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