Haemadipsa rjukjuana

Haemadipsa rjukjuana
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Annelida
Clade:	Pleistoannelida
Clade:	Sedentaria
Class:	Clitellata
Subclass:	Hirudinea
Order:	Arhynchobdellida
Family:	Haemadipsidae
Genus:	Haemadipsa
Species:	H. rjukjuana
Binomial name
	Haemadipsa rjukjuana; (Oka, 1910)
Synonyms
	Haemapdipsa japonica var. rjukjuanaOka, 1910;

Last updated March 31, 2025

Haemadipsa rjukjuana is a species of terrestrial blood-feeding leach in the family Haemadipsidae (order Arhynchobdellida).^[1] They are mostly found in Taiwan, although they have also been confirmed from Gageo Island in South Korea.^[2]^[3]

Several pathogens have been reported from the leech, specifically Anaplasma, Bartonella, Borrelia, Ehrlichia, Rickettsia, and Wolbachia . Haemadipsa rjukjuana was the first leech recorded to carry a Bartonella species.^[3]

A 2011 study found that the species is genetically distinct from Haemadipsa japonica .^[4]

Physical description

Haemadipsa rjukjuana is distinctive for its colourations on its back, having black splotches over a reddish, yellowish, or greyish background. Another distinguishing feature of its colouration is its thoroughly black underside and the lack of a clear median stripe on its back.^[4]

H. rjukjuana typically grows between 14 and 37 mm long, with a width varying between 2.5 and 5.3 mm.^[4]

References

↑ "Haemadipsa rjukjuana Oka, 1910". www.gbif.org. Retrieved 2023-04-14.
↑ Won, Sukhyun; Park, Bae Keun; Kim, Baek Jun; et al. (Apr 2014). "Molecular Identification of Haemadipsa rjukjuana (Hirudiniformes: Haemadipsidae) in Gageo Island, Korea". The Korean Journal of Parasitology . 52 (2): 169–75. doi:10.3347/kjp.2014.52.2.169. eISSN 1738-0006. ISSN 0023-4001. PMC 4028454 . PMID 24850960. S2CID 7438642.
1 2 Kang, Jun-Gu; Won, Sohyun; Kim, Hye-Won; Kim, Baek-Jun; Park, Bae-Keun; Park, Tae-Seo; Seo, Hong-Yul; Chae, Joon-Seok (2016-06-07). "Molecular detection of Bartonella spp. in terrestrial leeches (Haemadipsa rjukjuana) feeding on human and animal blood in Gageo-do, Republic of Korea". Parasites & Vectors. 9 (1): 326. doi: 10.1186/s13071-016-1613-3 . ISSN 1756-3305. PMC 4897879 . PMID 27267358.
1 2 3 Lai, Yi-Te; Nakano, Takafumi; Chen, Jiun-Hong (2011-10-25). "Three species of land leeches from Taiwan, Haemadipsa rjukjuana comb. n., a new record for Haemadipsa picta Moore, and an updated description of Tritetrabdella taiwana (Oka)". ZooKeys (139): 1–22. Bibcode:2011ZooK..139....1L. doi: 10.3897/zookeys.139.1711 . ISSN 1313-2970. PMC 3260908 . PMID 22259307.

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[1] "Haemadipsa rjukjuana Oka, 1910". www.gbif.org. Retrieved 2023-04-14.

[2] Won, Sukhyun; Park, Bae Keun; Kim, Baek Jun; et al. (Apr 2014). "Molecular Identification of Haemadipsa rjukjuana (Hirudiniformes: Haemadipsidae) in Gageo Island, Korea". The Korean Journal of Parasitology . 52 (2): 169–75. doi:10.3347/kjp.2014.52.2.169. eISSN 1738-0006. ISSN 0023-4001. PMC 4028454 . PMID 24850960. S2CID 7438642.

[:0-3] 1 2 Kang, Jun-Gu; Won, Sohyun; Kim, Hye-Won; Kim, Baek-Jun; Park, Bae-Keun; Park, Tae-Seo; Seo, Hong-Yul; Chae, Joon-Seok (2016-06-07). "Molecular detection of Bartonella spp. in terrestrial leeches (Haemadipsa rjukjuana) feeding on human and animal blood in Gageo-do, Republic of Korea". Parasites & Vectors. 9 (1): 326. doi: 10.1186/s13071-016-1613-3 . ISSN 1756-3305. PMC 4897879 . PMID 27267358.

[:1-4] 1 2 3 Lai, Yi-Te; Nakano, Takafumi; Chen, Jiun-Hong (2011-10-25). "Three species of land leeches from Taiwan, Haemadipsa rjukjuana comb. n., a new record for Haemadipsa picta Moore, and an updated description of Tritetrabdella taiwana (Oka)". ZooKeys (139): 1–22. Bibcode:2011ZooK..139....1L. doi: 10.3897/zookeys.139.1711 . ISSN 1313-2970. PMC 3260908 . PMID 22259307.

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