Culex restuans (Diptera: Culicidae) Relative Abundance and Vector Competence for West Nile Virus

Culex restuans (Diptera: Culicidae) Relative Abundance and Vector Competence for West Nile Virus

The abundance and vector competence of Culex restuans Theobald and Culex pipiens L. were compared to determine the relative importance of these species as West Nile virus (WNV) vectors in the northeastern United States. Abundance was estimated from egg raft collections at 12 sites in Albany, Suffolk...

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Veröffentlicht in:Journal of medical entomology 2005-09, Vol.42 (5), p.838-843
Hauptverfasser: Ebel, Gregory D., Rochlin, Ilia, Longacker, Jennifer, Kramer, Laura D.
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Genetic vectors
Mosquitoes
West Nile fever
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creator Ebel, Gregory D.
Rochlin, Ilia
Longacker, Jennifer
Kramer, Laura D.
description The abundance and vector competence of Culex restuans Theobald and Culex pipiens L. were compared to determine the relative importance of these species as West Nile virus (WNV) vectors in the northeastern United States. Abundance was estimated from egg raft collections at 12 sites in Albany, Suffolk, and Richmond counties, New York, during July, August, and September 2002 and 2003. Cx. restuans was more abundant than Cx. pipiens in both urban and rural areas, comprising 86% of 1,623 egg rafts collected. Vector competence for WNV was estimated after feeding on an artificial bloodmeal and in vitro transmission assays. The vector competence of the two species for WNV was similar, but the dynamics of infection seems to be mosquito species dependent. These findings suggest an important role for Cx. restuans in WNV transmission cycles in New York. Keywords: Culex pipiens , Culex restuans , West Nile virus, Flavivirus, transmission
doi_str_mv 10.1093/jmedent/42.5.838
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subjects Genetic vectors
Mosquitoes
West Nile fever
title Culex restuans (Diptera: Culicidae) Relative Abundance and Vector Competence for West Nile Virus
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