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Abstract:

A citywide control program of Aedes aegypti (L.) (Diptera: Culicidae) mainly based on the use of larvicides reduced infestations but failed to achieve the desired target levels in Clorinda, northeastern Argentina, over 5 yr of interventions. To understand the underlying causes of persistent infestations and to develop new control tactics adapted to the local context, we conducted two pupal surveys in a large neighborhood with ≈2,500 houses and recorded several variables for every container inspected in fall and spring 2007. In total, 4,076 lots and 4,267 containers were inspected over both surveys, and 8,391 Ae. aegypti pupae were collected. Large tanks used for potable water storage were the most abundant and the most productive type of container, accounting for 6584% of all the pupae collected. Therefore, large tanks were key containers and candidates for improved targeted interventions. Multivariate analysis showed that containers located in the yard, at low sun exposure, unlidded, filled with rain water, and holding polluted water were all more likely to be infested by larvae or pupae. When only infested containers were considered, productivity of pupae was most closely associated with large tanks and rain water. A stochastic simulation model was developed to calculate the expected correlations between pupal and Stegomyia indices according to the characteristics of the distribution of larvae and pupae per container and the spatial scale at which the indices were computed. The correlation between pupal and Stegomyia indices is expected to increase as infestation levels decline. © 2009 Entomological Society of America.

Registro:

Documento: Artículo
Título:Patterns of aedes aegypti (Diptera: Culicidae) infestation and container productivity measured using pupal and stegomyia indices in Northern Argentina
Autor:Gürtler, R.E.; Garelli, F.M.; Espinosa, M.O.; Weinberg, D.; Coto, H.D.; Gaspe, M.S.
Filiación:Laboratorio de Eco-Epidemiología, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
Fundacion Mundo Sano, Buenos Aires, Argentina
Palabras clave:Aedes aegypti; Dengue transmission risk; Pupal survey; Temephos; Vector control; Aedes aegypti; Clorinda; Culicidae; Diptera; Stegomyia; Aedes; animal; Argentina; article; comparative study; computer simulation; insect; population density; statistics; theoretical model; Aedes; Animals; Argentina; Computer Simulation; Models, Theoretical; Population Density; Pupa; Stochastic Processes
Año:2009
Volumen:46
Número:5
Página de inicio:1176
Página de fin:1186
DOI: http://dx.doi.org/10.1603/033.046.0528
Título revista:Journal of Medical Entomology
Título revista abreviado:J. Med. Entomol.
ISSN:00222585
CODEN:JMENA
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00222585_v46_n5_p1176_Gurtler.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222585_v46_n5_p1176_Gurtler

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Citas:

---------- APA ----------
Gürtler, R.E., Garelli, F.M., Espinosa, M.O., Weinberg, D., Coto, H.D. & Gaspe, M.S. (2009) . Patterns of aedes aegypti (Diptera: Culicidae) infestation and container productivity measured using pupal and stegomyia indices in Northern Argentina. Journal of Medical Entomology, 46(5), 1176-1186.
http://dx.doi.org/10.1603/033.046.0528
---------- CHICAGO ----------
Gürtler, R.E., Garelli, F.M., Espinosa, M.O., Weinberg, D., Coto, H.D., Gaspe, M.S. "Patterns of aedes aegypti (Diptera: Culicidae) infestation and container productivity measured using pupal and stegomyia indices in Northern Argentina" . Journal of Medical Entomology 46, no. 5 (2009) : 1176-1186.
http://dx.doi.org/10.1603/033.046.0528
---------- MLA ----------
Gürtler, R.E., Garelli, F.M., Espinosa, M.O., Weinberg, D., Coto, H.D., Gaspe, M.S. "Patterns of aedes aegypti (Diptera: Culicidae) infestation and container productivity measured using pupal and stegomyia indices in Northern Argentina" . Journal of Medical Entomology, vol. 46, no. 5, 2009, pp. 1176-1186.
http://dx.doi.org/10.1603/033.046.0528
---------- VANCOUVER ----------
Gürtler, R.E., Garelli, F.M., Espinosa, M.O., Weinberg, D., Coto, H.D., Gaspe, M.S. Patterns of aedes aegypti (Diptera: Culicidae) infestation and container productivity measured using pupal and stegomyia indices in Northern Argentina. J. Med. Entomol. 2009;46(5):1176-1186.
http://dx.doi.org/10.1603/033.046.0528