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Description |
Geographic Range [top]
Range Description: Brachydiplax farinosa is known from India, where there are old records from "Assam" and Bengal (Fraser 1936), Bangladesh, Myanmar (e.g. Fraser 1936; Asahina 1965, 1970), many provinces in Thailand (e.g. Fraser 1927, Asahina 1988, Hämäläinen and Pinratana 1999), Viet Nam (e.g. Fraser 1919, Asahina 1969), Lao PDR (Yokoi 1999), China (e.g. Wilson 2005) where there are records from Guangxi and Yunnan, Peninsular Malaysia (e.g. Laidlaw 1931, Fraser 1942, Tsuda and Kitagawa 1987, Kemp and Kemp 1989, Norma-Rashid et al. 1996, Norma-Rashid etal. 2001), Sumatra (e.g. Schmidt 1934; Lieftinck 1934, 1954), South Java (Lieftinck 1954) and Borneo, where there are records from Kalimantan (Lieftinck 1954), Brunei (Thompson and van Tol 1993) and Sarawak (Matsuki and Kitagawa 1992, D. R. Paulson pers. comm. 2004, Dow 2007).
Countries occurrence:
Native:
Bangladesh; Brunei Darussalam; China; India (Assam); Indonesia (Kalimantan, Sumatera); Lao Peoples Democratic Republic; Malaysia (Peninsular Malaysia, Sarawak); Myanmar; Thailand; Viet Nam
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: This species is common across much of its range. Records from northeast India appear to be on the eastern edge of the range of the species; presumably it is less common here, accounting for the lack of records since the 1930s or before. It is also less common in north Borneo than it appears to be (or have been) in Kalimantan; there is only one record from relatively very well studied Brunei, and only a small number from Sarawak, where it is a scarce species, absent from much apparently suitable habitat.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Breeds in lowland ponds and marshes, usually with forest at least nearby, and in the Greater Sunda islands exclusively in forest swamps and pools.
Systems: Terrestrial; Freshwater
Threats [top]
Major Threat(s): Habitat loss is the only threat to this species, and this appears to be a greater threat in the southern part of its range, where it is a specialist swamp forest species, although it certainly occurs in some secondary swamp forest habitats in northeast Sarawak, it appears to be absent from other apparently suitable habitat, suggesting that we do not fully understand its habitat requirements. It was apparently once a common species in south and east Kalimantan (Lieftinck 1954), but the extensive loss of lowland forest habitats there, as in Java and Sumatra, is a cause for concern.
Conservation Actions [top]
Conservation Actions: There is a need for more data from parts of this species range (e.g. India, Myanmar, the Sunda Islands, Viet Nam, Lao PDR and China), and protection of suitable lowland habitat, especially in the Sunda Islands, is a priority, but overall this species does not appear to be in need of special conservation measures at present.
Citation: Dow, R.A. 2009. Brachydiplax farinosa. The IUCN Red List of Threatened Species 2009: e.T163721A5641452. http://dx.doi.org/10.2305/IUCN.UK.2009-2.RLTS.T163721A5641452.en. Downloaded on 14 August 2017.
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