Coryphaeschna adnexa 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Aeshnidae

Scientific Name: Coryphaeschna adnexa (Hagen, 1861)
Common Name(s):
English Blue-faced Darner
Aeschna adnexa Hagen, 1861
Aeschna macromia Brauer, 1865
Coryphaeschna guyanensis Machet, 1991
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: 2017
Date Assessed: 2016-05-05
Assessor(s): Paulson, D. R.
Reviewer(s): Abbott, J. & Clausnitzer, V.
C. adnexa is a reasonably widespread and locally common species throughout its range, including some protected areas, and there is no indication of any population decline.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This widespread neotropical species occurs from Arizona (perhaps only vagrant), southern Texas and southern Florida through Mexico, Central America and the West Indies south to Argentina. It is known from 3 states in the United States of America and 14 states in Mexico.
Countries occurrence:
Argentina (Catamarca, Chaco, Corrientes, Entre Ríos, Jujuy, Misiones, Salta, Santa Fé, Tucumán); Belize; Brazil (Amazonas, Ceará, Pará); Cayman Islands; Colombia; Costa Rica; Cuba; Dominican Republic; Ecuador; French Guiana; Guatemala; Haiti; Honduras; Mexico (Campeche, Chiapas, Colima, Jalisco, Michoacán, Morelos, Nayarit, Quintana Roo, San Luis Potosí, Sinaloa, Tabasco, Tamaulipas, Veracruz, Yucatán); Panama; Paraguay; Peru; Puerto Rico; Suriname; Trinidad and Tobago; United States (Arizona, Florida, Texas); Venezuela, Bolivarian Republic of
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:C. adnexa is abundant and widespread.
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:Coryphaeschna adnexa is found at ponds, usually covered with floating vegetation such as water lettuce (Pistia), water hyacinth (Eichhornia), or duckweeds (Lemna, Spirodela). It is usually associated with forest.
Systems:Terrestrial; Freshwater
Generation Length (years):1

Threats [top]

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

Conservation Actions [top]

Conservation Actions: The species is present in several protected areas in its limited range in the United States of America. Status at lower latitudes is less well known but probably occurs in most lowland protected areas in tropics.

Citation: Paulson, D. R. 2017. Coryphaeschna adnexa. The IUCN Red List of Threatened Species 2017: e.T164957A80683426. . Downloaded on 24 May 2018.
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