Hagenius brevistylus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Gomphidae

Scientific Name: Hagenius brevistylus Selys, 1854
Common Name(s):
English Dragonhunter
French Hagénie
Taxonomic Source(s): Schorr, M. and Paulson, D. 2013. World Odonata List. Tacoma, Washington, USA Available at: (Accessed: 20 November 2013).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2009
Date Assessed: 2007-03-01
Assessor(s): Paulson, D. R.
Reviewer(s): Clausnitzer, V. & Kalkman, V. (Odonata Red List Authority)
H. brevistylus is widespread and common throughout its range and there is no indication of any population decline.

Geographic Range [top]

Range Description:This species occurs in five provinces in Canada and thirty four states in the United States of America.
Countries occurrence:
Canada (Manitoba, New Brunswick, Nova Scotia, Ontario, Québec); United States (Alabama, Arkansas, Connecticut, District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:H. brevistylus is common and widespread.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species prefers a wide variety of streams and rivers, less commonly on lakes. Like other top predators (cougars, wolves, great horned owls), they appear to be able to utilize all habitats. This may be because the larva is not a burrower (it rests among detritus), therefore not tied to any particular substrate.
Systems:Terrestrial; Freshwater
Generation Length (years):3

Threats [top]

Major Threat(s): There are no threats presently affecting this species.

Conservation Actions [top]

Conservation Actions: H. brevistylus is present in many federal, state, local, and private reserves; it appears not to require further conservation measures at this time.

Citation: Paulson, D. R. 2009. Hagenius brevistylus. The IUCN Red List of Threatened Species 2009: e.T165029A5968317. . Downloaded on 20 September 2017.
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