Isomma hieroglyphicum


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Isomma hieroglyphicum
Species Authority: Sélys, 1892

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2006
Date Assessed: 2008-01-01
Assessor(s): Schütte, K.
Reviewer(s): Suhling, F. & Clausnitzer, V. (Odonata Red List Authorty)
In the previous Red List assessment for Isomma hieroglyphicum, the species was assessed as Data Deficient. New records are now available from scattered localities in eastern Madagascar from the north to the south of the island. Therefore the species is unlikely to be declining fast enough to qualify for listing in a threatened or the Near Theatened category. Assessed as Least Concern.
2006 Data Deficient
1996 Vulnerable

Geographic Range [top]

Range Description: Scattered collection localities are known for Isomma hieroglyphicum, in eastern Madagascar from the north to the south of the island.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Population size and trends are unknown.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Small streams and rivers. Specimens in southeastern Madagascar were observed along running waters in forested areas.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The species may be affected by deforestation in the region, but more data are required to confirm this.

Conservation Actions [top]

Conservation Actions: Unknown.

Citation: Schütte, K. 2006. Isomma hieroglyphicum. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 31 August 2015.
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