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Abstract:

The bionomics of South American strains of Ascogregarina spp. are poorly known and the first studies were performed a few years ago. Our main objective was to characterize Ascogregarina culicis population in Aedes aegypti immatures in temperate Argentina. A total of 1800 water-filled containers were inspected within a cemetery of Buenos Aires City through a reproductive period of the host (October 2006-June 2007). The parasite was detected in 16.7% (329/1974) of the immatures and 8.5% (15/177) of the breeding sites. The prevalence decreased from 19.9% in larvae to 6.5% in pupae. In those infected breeding sites, about 85% of the immature mosquitoes harbor the parasite with a median intensity of nine trophozoites per larva and six gametocysts per pupa. The prevalence in shaded containers was higher than in sun exposed ones but the intensity of the infection was quite similar between both lighting conditions. Sun-exposed containers recorded water temperatures significantly higher than those under shade throughout the study period. Parasite trophozoites were only found from January to May with a clear seasonal pattern of prevalence. Monthly values of parasite prevalence and mosquito host (percentage of breeding sites and number of immatures) were significantly correlated at p < 0.05 when a temporal delay of two months was considered. Our results suggest that parasite prevalence is spatially and temporally heterogeneous in temperate urban Argentina, and these variations are associated with the host abundance. © 2009 Elsevier Inc. All rights reserved.

Registro:

Documento: Artículo
Título:Further study on Ascogregarina culicis in temperate Argentina: Prevalence and intensity in Aedes aegypti larvae and pupae
Autor:Albicócco, A.P.; Vezzani, D.
Filiación:Unidad de Ecología de Reservorios y Vectores de Parásitos, Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellon 2, 4 piso, C1428EHA Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Avda Rivadavia 1917, C1033AAJ Buenos Aires, Argentina
Palabras clave:Ascogregarina culicis; Gregarines; Intensity; Mosquitoes; Prevalence; South America; Aedes; animal; Apicomplexa; Argentina; article; growth, development and aging; insect; isolation and purification; larva; parasitology; season; sunlight; temperature; Aedes; Animals; Apicomplexa; Argentina; Larva; Pupa; Seasons; Sunlight; Temperature; Aedes aegypti; Ascogregarina; Ascogregarina culicis; Gregarinia; Hexapoda
Año:2009
Volumen:101
Número:3
Página de inicio:210
Página de fin:214
DOI: http://dx.doi.org/10.1016/j.jip.2009.05.003
Título revista:Journal of Invertebrate Pathology
Título revista abreviado:J. Invertebr. Pathol.
ISSN:00222011
CODEN:JIVPA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222011_v101_n3_p210_Albicocco

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Citas:

---------- APA ----------
Albicócco, A.P. & Vezzani, D. (2009) . Further study on Ascogregarina culicis in temperate Argentina: Prevalence and intensity in Aedes aegypti larvae and pupae. Journal of Invertebrate Pathology, 101(3), 210-214.
http://dx.doi.org/10.1016/j.jip.2009.05.003
---------- CHICAGO ----------
Albicócco, A.P., Vezzani, D. "Further study on Ascogregarina culicis in temperate Argentina: Prevalence and intensity in Aedes aegypti larvae and pupae" . Journal of Invertebrate Pathology 101, no. 3 (2009) : 210-214.
http://dx.doi.org/10.1016/j.jip.2009.05.003
---------- MLA ----------
Albicócco, A.P., Vezzani, D. "Further study on Ascogregarina culicis in temperate Argentina: Prevalence and intensity in Aedes aegypti larvae and pupae" . Journal of Invertebrate Pathology, vol. 101, no. 3, 2009, pp. 210-214.
http://dx.doi.org/10.1016/j.jip.2009.05.003
---------- VANCOUVER ----------
Albicócco, A.P., Vezzani, D. Further study on Ascogregarina culicis in temperate Argentina: Prevalence and intensity in Aedes aegypti larvae and pupae. J. Invertebr. Pathol. 2009;101(3):210-214.
http://dx.doi.org/10.1016/j.jip.2009.05.003