Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Orthoptera Gryllacrididae

Scientific Name: Prosopogryllacris sechellensis
Species Authority: (Bolivar, 1895)
Gryllacris fuliginata Karny, 1928
Gryllacris sechellensis Bolivar, 1895
Gryllacris silhouettensis Griffini, 1908

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2007-10-27
Assessor(s): Gerlach, J.
Reviewer(s): Hochkirch, A. & Odé, B.
This is a restricted range species (area of occupancy 210 km²) but it is tolerant of current levels of habitat deterioration and is not threatened at present.

Geographic Range [top]

Range Description: The species is endemic to the granitic islands of Seychelles (Mahé, Silhouette and La Digue). Three subspecies have been described: P. s. sechellensis (Mahé); P. s. fuliginata (La Digue); and P. s. silhouettensis (Silhouette).
Countries occurrence:
Seychelles (Seychelles (main island group))
Estimated area of occupancy (AOO) - km2: 210
Continuing decline in area of occupancy (AOO): No
Estimated extent of occurrence (EOO) - km2: 950
Continuing decline in extent of occurrence (EOO): No
Number of Locations: 3
Upper elevation limit (metres): 900
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information available regarding this species' population.
Current Population Trend: Unknown
Additional data:
Continuing decline of mature individuals: No
Extreme fluctuations: No Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This is a predatory species found on shrubs and trees in woodland and in gardens.
Systems: Terrestrial

Threats [top]

Major Threat(s): The habitats it occupies are deteriorating due to invasion by alien species, but it occurs in secondary habitats and gardens and is not significantly threatened.

Conservation Actions [top]

Conservation Actions: Present in the Morne Seychellois and Silhouette National Parks.

Citation: Gerlach, J. 2012. Prosopogryllacris sechellensis. The IUCN Red List of Threatened Species 2012: e.T199574A2603929. . Downloaded on 10 October 2015.
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