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1 March 2006 Impact of Trap Elevation on Estimates of Abundance, Parity Rates, and Body Size of Culex pipiens and Culex restuans (Diptera: Culicidae)
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Abstract

Trapping success, abundance, parity rate, and body size indices of Culex pipiens (L.) and Culex restuans Theobald, important vectors of West Nile virus (family Flaviviridae, genus Flavivirus, WNV), were determined for specimens captured from both ground level (≈1-m) and elevated (≈6- to 7-m) CO2-baited CDC miniature light traps. Mosquitoes were collected from six study sites in Albany County, New York, from mid-May to mid-October 2004. There was no significant difference in abundance or mean parity for either Cx. pipiens or Cx. restuans between the elevated and the ground-level traps. Mosquitoes collected in elevated traps tended to be larger than mosquitoes collected at ground level. Elevated traps captured significantly fewer mosquitoes per trap-night than did ground traps, but a greater proportion of those captured were Culex spp. Therefore, elevated traps more efficiently captured Cx. pipiens and Cx. restuans with similar reproductive status and body size and reduced the time necessary to sort and identify collections. These findings may be beneficial to researchers or surveillance programs focusing on Cx. pipiens or Cx. restuans.

Cori L. Drummond, Jason Drobnack, P. Bryon Backenson, Gregory D. Ebel, and Laura D. Kramer "Impact of Trap Elevation on Estimates of Abundance, Parity Rates, and Body Size of Culex pipiens and Culex restuans (Diptera: Culicidae)," Journal of Medical Entomology 43(2), 177-184, (1 March 2006). https://doi.org/10.1603/0022-2585(2006)043[0177:IOTEOE]2.0.CO;2
Received: 20 July 2005; Accepted: 23 November 2005; Published: 1 March 2006
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