Morphological study of Contracaecum magnicollare (Nematoda, Anisakidae) from Anous minutus (Aves, Laridae) (original) (raw)

Résumé

Contracaecum magnicollare Johnston & Mawson, 1941 est redécrite à partir des paratypes collectés en Australie, ainsi que d'un matériel nouveau provenant des Iles Chesterfield. Les caractères et les mensurations des spécimens étudiés sont très proches de ceux de C. variegatum (Rudolphi, 1809) dans la description de Hartwich (1964), à l'exception des extrémités des interlabia qui sont simples chez C. magnicollare et dédoublées chez C. variegatum. La mise en synonymie de C. magnicollare avec C. variegatum, proposée par Hartwich (1964), est donc infirmée.

Abstract

Contracaecum magnicollare Johnston & Mawson, 1941 is redescribed from some of the paratypes and from new material collected in the Chesterfield Islands, New-Caledonia (39.50δ N, 75.21° W). The characters and measurements of the studied specimens are very closely related to those of C. variegatum (Rudolphi, 1809), as described by Hartwich (1964), except for the tips of the interlabia which are bifurcate in the description of Hartwich and are simple in C. magnicollare. Consequently, this study invalidates the conclusion of Hartwich (1964), in regarding C. magnicollare as a synonym of C. variegatum.

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References

• Hartwich, G. (1964) Revision der Vogelparasitischen Nematoden Mitteleuropas II. Die Gattung Contracaecum Railliet & Henry, 1912 (Ascaridoidea). Mitteilungen aus dem Zoologischen Museum in Berlin, 40, 15–53.
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• Johnston, T.H. & Mawson, P.M. (1941) Ascaroid nematodes from Australian birds. Transactions of the Royal Society of South Australia, 65, 110–115.
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• Rudolphi, C.A. (1809) Entozoorum sive vermium intestinalium, historia naturalis. Amstelaedami, Vol. II, 458 pp.

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Authors and Affiliations

1. Laboratoire de Zoologie des Vers, Associé au C.N.R.S., Muséum National d'Histoire Naturelle, 61 rue Buffon, 75231, Paris cedex 05, France
   J. P. Hugot
2. Laboratoire de Zoologie & Ecophysiologie, UER des Sciences de la Vie, Université Rennes, 35 042, Rennes, France
   S. Morand
3. 18, rue de la Tannerie, 78 300, Poissy, France
   M. Vassart

Authors

1. J. P. Hugot
2. S. Morand
3. M. Vassart

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Hugot, J.P., Morand, S. & Vassart, M. Morphological study of Contracaecum magnicollare (Nematoda, Anisakidae) from Anous minutus (Aves, Laridae).Syst Parasitol 20, 229–236 (1991). https://doi.org/10.1007/BF00009787

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• Accepted: 11 April 1991
• Issue date: November 1991
• DOI: https://doi.org/10.1007/BF00009787

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