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27 October 2018 Relationships Among Immature-Stage Metrics and Adult Abundances of Mosquito Populations in Baltimore, MD
Danielle Bodner, Shannon L. LaDeau, Paul T. Leisnham
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Abstract

Reducing water-holding containers that provide habitat for immature-stage (eggs, larvae, pupae) mosquitoes is often an effective means of managing urban mosquito-borne diseases. It is generally accepted that adult mosquito abundances are strongly influenced by the availability of container habitat. Yet few studies have directly examined if adult abundances are associated with the presence and abundance of immature stages among city blocks, which is the spatial scale at which common urban mosquitoes disperse and management is often conducted. In this study, we compared larval and pupal population metrics to adult female abundances of Aedes albopictus (Skuse) (Diptera: Culicidae) and Culex pipiens/restuans (Diptera: Culicidae) across 12 blocks in four socioeconomically diverse neighborhoods in Baltimore, MD. Aedes albopictus and Cx. pipiens/restuans were the most abundant taxa, constituting 81.8 and 95.8% of collected adult and immature-stage individuals, respectively. Despite being collected on all blocks in all neighborhoods, adult female Ae. albopictus but not Cx. pipiens/restuans were predicted by immature-stage population metrics. Adult female Ae. albopictus abundance was positively and consistently predicted by the mean number of occupied discarded containers per parcel across the four socioeconomically diverse neighborhoods. Our results suggest that immature-stage monitoring in landscapes dominated by container habitat may not be an effective predictor of adult Cx. pipiens/restuans abundance, but removing discarded container habitat should be a priority action to manage Ae. albopictus, which is usually the most pestiferous species in temperate cities in the eastern United States and many regions worldwide.

© The Author(s) 2018. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Danielle Bodner, Shannon L. LaDeau, and Paul T. Leisnham "Relationships Among Immature-Stage Metrics and Adult Abundances of Mosquito Populations in Baltimore, MD," Journal of Medical Entomology 56(1), 192-198, (27 October 2018). https://doi.org/10.1093/jme/tjy185
Received: 29 May 2018; Accepted: 19 September 2018; Published: 27 October 2018
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KEYWORDS
Aedes albopictus
BG Sentinel
Culex pipiens
Culex restuans
integrated vector management
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