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1 January 2010 Association between Culex quinquefasciatus (Diptera: Culicidae) Oviposition and Structural Features of Belowground Stormwater Treatment Devices
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Abstract

Belowground stormwater treatment devices referred to as Best Management Practices (BMPs) can be persistent sources of Culex quinquefasciatus Say (Diptera: Culicidae) mosquitoes and in urban environments necessitate routine monitoring and insecticide treatment for control. The design of certain structural features of BMPs may discourage mosquito entry and oviposition, potentially reducing the need for control measures. From August 2007 to November 2008,29 BMPs were intermittently monitored for the presence of mosquitoes and compared against selected structural features. A bucket ovitrap was developed to estimate entry of oviposition-site-seeking females into BMPs via egg raft counts. The number of egg rafts collected was positively associated with larger diameters and shorter lengths of conveyance pipe from the nearest inlet or outlet and with increasing number of pickholes in BMP manhole covers. In contrast, the number of days pickholes were sealed against adult mosquito entry was negatively associated with eggs rafts. Findings suggest that the design of belowground BMPs and their conveyance systems can influence mosquito oviposition inside these structures. Specific design criteria with the greatest potential to minimize mosquito production and provide safe access for monitoring and control activities are discussed.

© 2010 Entomological Society of America
Justin E. Harbison, Marco E. Metzger, and Renjie Hu "Association between Culex quinquefasciatus (Diptera: Culicidae) Oviposition and Structural Features of Belowground Stormwater Treatment Devices," Journal of Medical Entomology 47(1), 67-73, (1 January 2010). https://doi.org/10.1603/033.047.0109
Received: 27 July 2009; Accepted: 1 September 2009; Published: 1 January 2010
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