Combined Sewage Overflow Enhances Oviposition of Culex quinquefasciatus (Diptera: Culicidae) in Urban Areas

Luis Fernando Chaves; Carolyn L. Keogh; Gonzalo M. Vazquez-Prokopec; Uriel D. Kitron

doi:10.1603/033.046.0206

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1 March 2009 Combined Sewage Overflow Enhances Oviposition of Culex quinquefasciatus (Diptera: Culicidae) in Urban Areas

Luis Fernando Chaves, Carolyn L. Keogh, Gonzalo M. Vazquez-Prokopec, Uriel D. Kitron

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J. of Medical Entomology, 46(2):220-226 (2009). https://doi.org/10.1603/033.046.0206

Abstract

Ecosystem changes caused by anthropogenic activities have modified the environment in ways that at times promote the emergence of vector-borne diseases. Here, we study the effects of combined sewage overflows (CSOs) from urban streams in Atlanta, GA, on oviposition site selection by Culex quinquefasciatus under seminatural field conditions. Counting egg rafts was a reliable indicator of oviposition preferences, and CSO water quality, especially when enriched, was a more attractive oviposition substrate than nonenriched water. Therefore, environmentally sound management of municipal waste water systems has the potential to diminish the risk of Culex-borne diseases in urban areas.

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Luis Fernando Chaves, Carolyn L. Keogh, Gonzalo M. Vazquez-Prokopec, and Uriel D. Kitron "Combined Sewage Overflow Enhances Oviposition of Culex quinquefasciatus (Diptera: Culicidae) in Urban Areas," Journal of Medical Entomology 46(2), 220-226, (1 March 2009). https://doi.org/10.1603/033.046.0206

Received: 27 August 2008; Accepted: 1 November 2008; Published: 1 March 2009

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