Sieboldius deflexus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Sieboldius deflexus
Species Authority: (Chao, 1955)

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2009
Date Assessed: 2007-03-15
Assessor(s): Wilson, K. D. P.
Reviewer(s): Clausnitzer, V. & Reels, G. (Odonata Red List Authority)
Known to occur across a wide area of south China including Fujian and Zhejiang (Chao 1990), Guangdong (Fellowes et al 2003) and Taiwan (Lieftinck et al 1984).

Geographic Range [top]

Range Description: Ranges across south China including Taiwan. Recorded from type-locality in Fujian, Taiwan and Zhejiang (Chao 1990). Lieftinck et al (1984) provides details of records from five sites in central and northern Taiwan. It is more abundant in north Taiwan (Wang 2000). Fellowes et al. (2003) records deflexus from Nanling, north Guangdong.
China (Fujian, Guangdong, Zhejiang); Taiwan, Province of China
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: A stable population and widely distributed.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species prefers moderately fast flowing streams with stony substrates in forested areas.
Systems: Freshwater

Threats [top]

Major Threat(s): Infrastructural development is affecting the habitat of Sieboldius deflexus; clear-cutting of forests for the building of dams and powerlines are an ongoing problem.

Conservation Actions [top]

Conservation Actions: There are no conservation measures currently known.

Citation: Wilson, K. D. P. 2009. Sieboldius deflexus. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 29 August 2015.
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