Systematic Parasitology

, Volume 77, Issue 1, pp 45–54 | Cite as

The erection of Pelecanema n. g. (Nematoda: Spirurida: Acuariidae), with redescriptions of P. sirry (Khalil, 1931) n. comb. and P. pelecani (Johnston & Mawson, 1942) n. comb.

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Abstract

Pelecanema n. g. is erected for P. sirry (Khalil, 1931) n. comb., syn. Synhimantus sirry Khalil, 1931 (type-species) and P. pelecani (Johnston & Mawson, 1942) n. comb., syn. Dispharynx pelecani Johnston & Mawson, 1942. In the structure of its cordons, consisting of two rows of delicate cuticular plates, the new genus is similar to Synhimantus Railliet, Henry & Sisoff, 1912, Dispharynx Railliet, Henry & Sisoff, 1912, Chordatortilis Machado de Mendonça & Olivera de Rodrigues, 1965 and Parachordatortilis Mutafchiev, Santoro & Georgiev, 2010. Pelecanemasirry, a parasite of Pelecanus onocrotalus L. and P. crispus Bruch (Pelecaniformes, Pelecanidae) in Africa (Egypt and Senegal) and Europe (Ukraine and Bulgaria), is redescribed using light and scanning electron microscopy on the basis of specimens from P. crispus from Bulgaria. Pelecanema pelecani, a parasite of Pelecanus conspicillatus Temminck in Australia, is also redescribed using light microscopy on the basis of specimens from its type-host and type-locality. In contrast to a previous opinion recognising Pelecanema sirry and P. pelecani as synonyms, the two species are considered distinct and P. pelecani is validated.

Keywords

Buccal Cavity Excretory Pore Anterior Extremity Anterior Direction Scanning Electron Microscopy Stub 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Notes

Acknowledgements

We are grateful to Dr L. Chisholm (South Australian Museum, Adelaide) for lending specimens. SEM observations were carried out using the facilities of the Museum für Naturkunde, Berlin in the course of a research visit of the senior author granted by Synthesys DE-TAF-3124 (EC FP6) and kindly hosted by Dr B. Neuhaus. Studies included in the present article were also funded by the National Science Fund of the Republic of Bulgaria, Grant DO/02-271/18.12.2008.

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Central Laboratory of General EcologyBulgarian Academy of SciencesSofiaBulgaria

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