Hemicordulia okinawensis 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Corduliidae

Scientific Name: Hemicordulia okinawensis
Species Authority: Asahina, 1947

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2009
Date Assessed: 2007-03-01
Assessor(s): Karube, H.
Reviewer(s): Clausnitzer, V. & Kalkman, V. (Odonata Red List Authority)
This species is endemic to the Okinawa islands and Amami islands (Ryukyu archipelago, southwestern Japan). It is quite common within its small range and inhabits artificial ponds. There is no indication that the population has decreased.
Previously published Red List assessments:
1996 Vulnerable (VU)
1994 Rare (R)

Geographic Range [top]

Range Description: This species endemic to the Okinawa islands and Amami islands (Ryukyu archipelago, southwest Japan).
Countries occurrence:
Japan (Nansei-shoto)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species is common within its range.
Current Population Trend: Stable
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: The species inhabits ponds, swamps, slow streams, artificial dams and ponds.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The habitat is being lost to agricultural practices, which is also contributing to water pollution, along with domestic and industrial expulsions.

Conservation Actions [top]

Conservation Actions: Research into the life history and taxonomy of this species is required, as is its current status regarding population size and trend.

Citation: Karube, H. 2009. Hemicordulia okinawensis. The IUCN Red List of Threatened Species 2009: e.T9872A13023379. . Downloaded on 25 November 2015.
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