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Description |
Geographic Range [top]
Range Description: Aciagrion tillyardi occurs from eastern India (e.g. Laidlaw 1924, Mitra 1999) to Thailand (Hämäläinen and Pinratana 1999), China (e.g. Wilson 1999, 2004; Wilson and Reels 2001, 2003) and northeast Sumatra (Lieftinck 1935, 1954). Given the known distribution, it is also likely to occur in Nepal, Bhutan, Myanmar, peninsular Malaysia, Viet Nam, Cambodia and Lao PDR.
Countries occurrence:
Native:
China (Guangdong, Guangxi, Hainan); Hong Kong; India (Arunachal Pradesh, Manipur, Meghalaya, Nagaland); Indonesia (Sumatera); Thailand
Additional data:
? Upper elevation limit (metres): 1500
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: A. tillyardi is widespread but it appears to be very local in occurrence, but is inconspicuous and probably under recorded. It is certainly common in some areas, e.g. Lahiri (1987) describes it as common in Meghalaya.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Breeds in shallow well vegetated ponds and marshes, including seasonally dry ones. Lahiri (1987) states that it occurs at “grassy edges of small streams or even stagnant water bodies”; but most records appear to be from lentic (still water) habitats.
Systems: Freshwater
Threats [top]
Major Threat(s): Habitat loss appears to be the only threat to this species. However it can occur in rather disturbed habitats (e.g. roadside ponds); it does not appear to be under any major threat at present.
Conservation Actions [top]
Conservation Actions: No specific measures appear to be needed for this species, beyond the need for more research. The species should be searched for in Nepal, Bhutan, Myanmar, peninsular Malaysia, Viet Nam, Cambodia and Lao PDR.
Citation: Dow, R.A. 2009. Aciagrion tillyardi. The IUCN Red List of Threatened Species 2009: e.T163661A5631844. http://dx.doi.org/10.2305/IUCN.UK.2009-2.RLTS.T163661A5631844.en. Downloaded on 10 September 2018.
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