Paracercion calamorum


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Paracercion calamorum
Species Authority: (Ris, 1916)
Common Name(s):
English Dusky Lilysquatter

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2009
Date Assessed: 2009-02-11
Assessor(s): Wilson, K. D. P.
Reviewer(s): Clausnitzer, V. (Odonata Red List Authority) & Pollock, C.M. (IUCN Red List Unit)
Paracercion calamorum is a common species that has a very wide range extending from southern far-eastern Russia, to India and Indonesia. It is not under threat and is therefore assessed as Least Concern.

Geographic Range [top]

Range Description: The Dusky Lilysquatter (Paracercion calamorum) has a range that extends from southern far-eastern Russia to Japan, and to India and Indonesia. The nominate subspecies (P. c. calamorum) is known from central and eastern China, Korea and Japan. The subspecies P. c. dyeri occurs in southern China, Hong Kong, Taiwan, Indonesia, India, Nepal, and Thailand (Tsuda 2000).
China (Anhui, Hebei, Henan, Hubei, Jiangsu); Hong Kong; India; Indonesia; Japan (Hokkaido, Honshu, Kyushu, Nansei-shoto, Shikoku); Korea, Democratic People's Republic of; Korea, Republic of; Nepal; Russian Federation (Khabarovsk, Primoryi); Taiwan, Province of China (Taiwan, Province of China (main island)); Thailand
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species endures a stable population and is common throughout its range.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species occurs in streams and rivers.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): There are no threats known that are currently affecting this species.

Conservation Actions [top]

Conservation Actions: There are no conservation measures in place or thought to be needed at this time.

Citation: Wilson, K. D. P. 2009. Paracercion calamorum. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 31 August 2015.
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