Isomma hieroglyphicum 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Gomphidae

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.
Previously published Red List assessments:
2006 Data Deficient (DD)
1996 Vulnerable (VU)
1994 Indeterminate (I)
1990 Indeterminate (I)
1988 Indeterminate (I)
1986 Indeterminate (I)

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.
Countries occurrence:
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Population size and trends are unknown.
Current Population Trend: Unknown
Additional data:
Population severely fragmented: No

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 2006: e.T10861A3223334. . Downloaded on 27 November 2015.
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