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Description |
Geographic Range [top]
Range Description: Acrogomphus malayanus is endemic to Peninsular Malaysia (e.g. Laidlaw 1925, 1930, 1931; Lieftinck 1941; Norma-Rashid et al. 1996).
Countries occurrence:
Native:
Malaysia (Peninsular Malaysia)
Additional data:
? Number of Locations: 8
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: There are few published records of this species. For many years only the holotype male was known. Lieftinck (1941) recorded the larvae, the next record appears to be that of a female in Norma-Rashid et al. (1996). C. Y. Choong (pers. comm. 2007) has collected a male and a female in Johor, and photographed another specimen in Kelantan. S. Butler recently collected the larvae from Negeri Sembilan, writing (pers. comm. 2007) "it is reasonably common on rainforest streams as a larva (so much so that I wondered if Lieftincks description was correct as it was commoner than Paragomphus)" and "I have never seen an adult flying"; he also reared a male from a larva taken in Langkawi, where "it is also reasonably common"
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Breeds in sandy bottomed closed canopy forest streams; so far all records are from primary forest. The larvae are sand burrowers (Orr 2005).
Systems: Freshwater
Threats [top]
Major Threat(s): Habitat loss due to large-scale clear-cutting; the land is being converted for using in agricultural farming.
Conservation Actions [top]
Conservation Actions: More data is needed on this species, but as it appears to be confined to primary lowland forest there is cause for concern. However recent field work has shown it to be commoner than might have been thought previously. Protection of suitable habitat is vital for the conservation of this species; at least some of the known locations are within protected areas, but it would is desirable for more suitable habitat to be protected.
Citation: Dow, R.A. 2009. Acrogomphus malayanus. The IUCN Red List of Threatened Species 2009: e.T163808A5654638. http://dx.doi.org/10.2305/IUCN.UK.2009-2.RLTS.T163808A5654638.en. Downloaded on 11 September 2018.
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