CEPAVE   05420
CENTRO DE ESTUDIOS PARASITOLOGICOS Y DE VECTORES
Unidad Ejecutora - UE
artículos
Título:
New Anisakid Species Parasitizing The Imperial Cormorant
Autor/es:
LUCAS GARBIN; JULIA DIAZ; FLORENCIA CREMONTE; GRACIELA T. NAVONE
Revista:
JOURNAL OF PARASITOLOGY
Editorial:
Allen Press
Referencias:
Lugar: Lawrence, Kansas, EEUU; Año: 2008 vol. 94 p. 852 - 859
ISSN:
0022-3395
Resumen:
The anisakid species Contracaecum chubutensis n. sp. was found parasitizing the Imperial Cormorant Phalacrocorax atriceps at two different localities -Bahía Bustamante, 45º11´S, 66º30´W and Puerto Madryn, 42º47´S, 65º02´W- on the Patagonian coast. Morphometrical analysis and further studies on adult specimens of C. chubutensis n. sp. and fourth-stage larvae of Contracaecum sp. were done using light and scanning electron microscopes. The possession of 7 pairs of tail papillae and their disposition differentiate this new species from C. osculatum, C. radiatum, C. plagiaticium, and C. mirounga. Double-sized spicules make it from C. variegatum and C. pelagicum. Moreover, the paracloacal papillae disposition and tail shape differentiate this new species from C. travassosi. The presence of bifurcated interlabia makes it from C. ogmorhini and C. margolisi. Three well-marked lip notches, sharp tail shape, and transversal paracloacal papillae disposition distinguishes C. chubutensis n. sp. from C. magnipapillatum and C. septentrionale. The species here described can be differentiated from C. caballeroi for their bifurcated interlabia, longer spicules, and for possessing more precloacal papillae pairs. From C. rudolphii for its thinner interlabia at base, deeper lip notches, sharp tail shape, transversal paracloacal papillae disposition, and longer distance between both papillae of the first subventral distal papillae pair. In addition, fourth-stage larvae recovered from the same host and localities were identified and described as Contracaecum sp. Ecological parameters as prevalence, mean intensity, and mean abundance were calculated.