Calculating the survival rate and estimated population density of gravid Aedes aegypti (Diptera, Culicidae) in Rio de Janeiro, Brazil

Cadernos de Saúde Pública

Rafael Maciel-de-freitas²  Álvaro E. Eiras¹  Ricardo Lourenço-de-oliveira² 

[1] ,Fundação Oswaldo Cruz Instituto Oswaldo Cruz Rio de Janeiro,Brasil

关键词: Disease Vectors;    Mosquito Control;    Dengue;    Vetores de Doenças;    Controle de Mosquitos;    Dengue;   

DOI  :  10.1590/S0102-311X2008001200003

来源: SciELO

【 摘 要 】

Population size and daily survival rates of disease vectors are important determinants of vectorial capacity. A mark-release-recapture experiment was conducted in a dengue endemic urban neighborhood of Rio de Janeiro, Brazil, to estimate population size, survival rate and vectorial capacity of Aedes aegypti females using back-pack aspirators and gravid sticky traps (MosquiTRAP). Estimations of the gravid female population size were different when using data gathered from just the MosquiTRAP (3,505 individuals) or aspirator (1,470). However Ae. aegypti survival rates and longevity were similar irrespective of the method of capture. Up to 26.3% of released females would be able to survive for more than 10 days, the length of time of the extrinsic incubation period. Vectorial capacity value ranged between 0.01567 and 0.4215 and the basic reproductive number (R0) was estimated to be between 0.0695 and 1.88.

【 授权许可】

CC BY   
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