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1 March 2008 Density And Survival Rate of Culex quinquefasciatus at Parque Ecológico do Tietê, São Paulo, Brazil
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Abstract

Parity rate, gonotrophic cycle length, and density of a Culex quinquefasciatus female population was estimated at the Parque Ecológico do Tietê (PET), São Paulo, Brazil. Adult Cx. quinquefasciatus females were collected from vegetation along the edges of a polluted drainage canal with the use of a battery-powered backpack aspirator from September to November 2005 and from February to April 2006. We examined 255 Cx. quinquefasciatus ovaries to establish the parity rate of 0.22 and determined the gonotrophic cycle length under laboratory conditions to be 3 and 4 days. From these data, we calculated the Cx. quinquefasciatus survival rate to be 0.60 and 0.68 per day. Density of the Cx. quinquefasciatus female (5.71 females per m2) was estimated based on a population size of 28,810 individuals divided by the sampled area of 5,040 m2. Results of all experiments indicate medium survivorship and high density of the Cx. quinquefasciatus female population. This species is epidemiologically relevant in the PET area and should be a target of the vector control program of São Paulo municipality.

Gabriel Z. Laporta and Maria Anice M. Sallum "Density And Survival Rate of Culex quinquefasciatus at Parque Ecológico do Tietê, São Paulo, Brazil," Journal of the American Mosquito Control Association 24(1), 21-27, (1 March 2008). https://doi.org/10.2987/5664.1
Published: 1 March 2008
JOURNAL ARTICLE
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