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Artículo

Oviposition activity and seasonal pattern of a population of Aedes (Stegomyia) aegypti (L.) (Diptera: Culicidae) in Subtropical Argentina

Micieli, Maria VictoriaIcon ; Campos, Raul ErnestoIcon
Fecha de publicación: 07/2003
Editorial: Fundacao Oswaldo Cruz
Revista: Memórias do Instituto Oswaldo Cruz
ISSN: 0074-0276
e-ISSN: 1678-8060
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biología Marina, Limnología

Resumen

Monthly oviposition activity and the seasonal density pattern of Aedes aegypti were studied using larvitraps and ovitraps during a research carried out by the Public Health Ministry of Salta Province, in Tartagal, Aguaray and Salvador Mazza cities, in subtropical Argentina. The A. aegypti population was active in both dry and wet seasons with a peak in March, accordant with the heaviest rainfall. From May to November, the immature population level remained low, but increased in December. Ae. aegypti oviposition activity increased during the fall and summer, when the relative humidity was 60% or higher. Eggs were found in large numbers of ovitraps during all seasons but few eggs were observed in each one during winter. The occurrence and the number of eggs laid were variable when both seasons and cities were compared. The reduction of the population during the winter months was related to the low in the relative humidity of the atmosphere. Significant differences were detected between oviposition occurrences in Tartagal and Aguaray and Salvador Mazza cities, but no differences in the number of eggs were observed. Two factors characterize the seasonal distribution pattern of Ae. aegypti in subtropical Argentina, the absence of a break during winter and an oviposition activity concomitant of the high relative humidity of the atmosphere.
Palabras clave: Aedes Aegypti , Oviposition , Seasonal Variation , Subtropical Argentina
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/32581
URL: http://ref.scielo.org/4nytwy
DOI: http://dx.doi.org/10.1590/S0074-02762003000500013
Colecciones
Articulos(ILPLA)
Articulos de INST.DE LIMNOLOGIA "DR. RAUL A. RINGUELET"
Citación
Campos, Raul Ernesto; Micieli, Maria Victoria; Oviposition activity and seasonal pattern of a population of Aedes (Stegomyia) aegypti (L.) (Diptera: Culicidae) in Subtropical Argentina; Fundacao Oswaldo Cruz; Memórias do Instituto Oswaldo Cruz; 98; 5; 7-2003; 659-663
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