During a parasitological survey of aquatic birds in Mar Chiquita coastal lagoon (Buenos Aires province, Argentina), specimens of Contracaecum Raillet & Henry, 1912 sp. were found in the esophagus and stomach of the great egret Egretta alba (Gmelin, 1789) (Aves: Ardeidae). The nematodes were identified as Contracaecum multipapillatum (Drasche, 1882) on the basis of the following features: ratio of ventricular appendage length to esophagus length, ratio of intestinal caecum length to esophagus length, spicule lengths, number and arrangement of postcloacal papillae (3–4 pairs of adanal papillae, 1 double pair, and a subterminal group of 2 subventral and 3 sublateral pairs). A complete description of the adult specimens of C. multipapillatum is given in the present paper, together with a discussion regarding the validity of other species of Contracaecum reported from Argentina. Contracaecum philomultipapillatum Labriola and Suriano, 1996 is reduced to a junior synonym of C. multipapillatum, and Contracaecum longicaecum Schuurmans Sterkhoven, 1952 is considered a species inquirenda. A revision of Contracaecum spheniscus Boero and Led, 1970 based on appropriate material is necessary.
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August 2000
SYSTEMATICS-PHYLOGENTICS|
August 01 2000
CONTRACAECUM MULTIPAPILLATUM (NEMATODA: ANISAKIDAE) FROM EGRETTA ALBA (AVES: ARDEIDAE) AND COMMENTS ON OTHER SPECIES OF THIS GENUS IN ARGENTINA
Graciela T. Navone;
Graciela T. Navone
Laboratorio de Helmintos, Centro de Estudios Parasitológicos y de Vectores (CEPAVE)(CONICET-UNLP), Calle 2 # 584, (1900) La Plata, Argentina
*Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET).
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Jorge A. Etchegoin;
Jorge A. Etchegoin
Laboratorio de Helmintos, Centro de Estudios Parasitológicos y de Vectores (CEPAVE)(CONICET-UNLP), Calle 2 # 584, (1900) La Plata, Argentina
*Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET).
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Florencia Cremonte
Florencia Cremonte
Laboratorio de Helmintos, Centro de Estudios Parasitológicos y de Vectores (CEPAVE)(CONICET-UNLP), Calle 2 # 584, (1900) La Plata, Argentina
†Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC), Argentina.
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J Parasitol (2000) 86 (4): 807–810.
Citation
Graciela T. Navone, Jorge A. Etchegoin, Florencia Cremonte; CONTRACAECUM MULTIPAPILLATUM (NEMATODA: ANISAKIDAE) FROM EGRETTA ALBA (AVES: ARDEIDAE) AND COMMENTS ON OTHER SPECIES OF THIS GENUS IN ARGENTINA. J Parasitol 1 August 2000; 86 (4): 807–810. doi: https://doi.org/10.1645/0022-3395(2000)086[0807:CMNAFE]2.0.CO;2
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