Risiocnemis serrata 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Odonata Platycnemididae

Scientific Name: Risiocnemis serrata (Hagen, 1863)
Hypocnemis serrata Hagen, 1863

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2009
Date Assessed: 2008-01-01
Assessor(s): Villanueva, R.J.T.
Reviewer(s): Kalkman, V. & Clausnitzer, V. (Odonata Red List Authority)
Risiocnemis serrata is assessed as Near Threatened as it has an area of occupancy of less than 2,000 kmĀ² and it is likely to show a continuing decline.

Geographic Range [top]

Range Description:Risiocnemis serrata is a Philippine endemic species, confined to central and southern Luzon and Polillo islands.
Countries occurrence:
Additional data:
Estimated area of occupancy (AOO) - km2:4-2000
Lower elevation limit (metres):50
Upper elevation limit (metres):600
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information available concerning the population status of the species. However, V. P. Gapud mentioned that the species is a familiar sight in low lying woody streams so probably the species occurs in fair numbers in suitable habitat.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Like its congeners, the species is typical of rivulets, springs and streams in forest. The adult could be seen resting on leaves and twigs around the waterways.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): Deforestation by logging or clearing for farming is the prime threat to this forest specialist. If not for its fair distribution, the species could be placed in vulnerable status.

Conservation Actions [top]

Conservation Actions: No conservation measures for this species are in place.

Citation: Villanueva, R.J.T. 2009. Risiocnemis serrata. The IUCN Red List of Threatened Species 2009: e.T169299A6608856. . Downloaded on 17 July 2018.
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