Early Evening Questing and Oviposition Activity by the Culex (Diptera: Culicidae) Vectors of West Nile Virus in Northeastern North America

To determine whether the Culex (Diptera: Culicidae) mosquitoes that transmit West Nile virus (family Flaviviridae, genus Flavivirus, WNV) in the northeastern United States seek hosts and oviposit contemporaneously, we recorded when these mosquitoes attacked caged birds and when they deposited eggs....

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Veröffentlicht in:Journal of medical entomology 2007-03, Vol.44 (2), p.211-214
Hauptverfasser: Reddy, Michael R., Lepore, Timothy J., Pollack, Richard J., Kiszewski, Anthony E., Spielman, Andrew, Reiter, Paul
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container_end_page 214
container_issue 2
container_start_page 211
container_title Journal of medical entomology
container_volume 44
creator Reddy, Michael R.
Lepore, Timothy J.
Pollack, Richard J.
Kiszewski, Anthony E.
Spielman, Andrew
Reiter, Paul
description To determine whether the Culex (Diptera: Culicidae) mosquitoes that transmit West Nile virus (family Flaviviridae, genus Flavivirus, WNV) in the northeastern United States seek hosts and oviposit contemporaneously, we recorded when these mosquitoes attacked caged birds and when they deposited eggs. They traversed oviposition sites most frequently â2 h after astronomical sunset, and eggs generally were deposited at that time. Although they most frequently approached avian hosts â2 h after sunset during midsummer, they are more opportunistic during mid- to late fall. Because the Culex mosquitoes that serve as the main vectors of West Nile virus in the northeastern United States quest for hosts and seek to oviposit well after sunset, insecticidal aerosols would be most effective when applied at that time. Keywords: host seeking, oviposition, diel periodicity, Culex , West Nile virus
doi_str_mv 10.1093/jmedent/44.2.211
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source Oxford University Press Journals All Titles (1996-Current); BioOne Complete
subjects Disease transmission
Genetic vectors
Mosquitoes
West Nile fever
title Early Evening Questing and Oviposition Activity by the Culex (Diptera: Culicidae) Vectors of West Nile Virus in Northeastern North America
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