Aeshna umbrosa 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Aeshnidae

Scientific Name: Aeshna umbrosa Walker, 1908
Common Name(s):
English Shadow Darner
French Aeschne des Pénombres
Aeshna umbrosa ssp. occidentalis Walker, 1908
Taxonomic Source(s): Schorr, M. and Paulson, D. 2013. World Odonata List. Tacoma, Washington, USA Available at: (Accessed: 20 November 2013).
Taxonomic Notes: Two fairly well-marked subspecies, an eastern Aeshna umbrosa umbrosa and a western A. u. occidentalis; both common and widespread.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2017
Date Assessed: 2014-11-28
Assessor(s): Paulson, D. R.
Reviewer(s): Cannings, R. & Tognelli, M.
Aeshna umbrosa is common across North America, and there is no indication of any population decline; nor are any threats currently identified. It is therefore listed as Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This widespread North American species occurs from Alaska, Manitoba and Newfoundland south to California, Texas and Georgia. It occurs in 10 provinces and two territories in Canada and 45 states in the United States of America.
Countries occurrence:
Canada (Alberta, British Columbia, Labrador, Manitoba, New Brunswick, Newfoundland I, Northwest Territories, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan, Yukon); United States (Alabama, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Aeshna umbrosa is an abundant and widespread species.
Current Population Trend:Stable
Additional data:
Continuing decline of mature individuals:No
Extreme fluctuations:NoPopulation severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Aeshna umbrosa is found at lakes, ponds, even small ones, and slow streams. More common on streams than other Aeshna in its range. Colonizes small suburban ponds readily. Larvae live in aquatic vegetation and bottom detritus.
Systems:Terrestrial; Freshwater

Use and Trade [top]

Use and Trade: This species is not used or traded.

Threats [top]

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

Conservation Actions [top]

Conservation Actions: The species is widespread and common and present in some federal, state, local, and/or private reserves; no further conservation measures seem to be required at this time.

Citation: Paulson, D. R. 2017. Aeshna umbrosa. The IUCN Red List of Threatened Species 2017: e.T165055A65828540. . Downloaded on 25 September 2018.
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