Field-Caught Culex erythrothorax Larvae Found Naturally Infected with West Nile Virus in Grand County, Utah

Robert A. Phillips; Kimberly Christensen

doi:10.2987/8756-971X(2006)22[561:FCELFN]2.0.CO;2

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Robert A. Phillips,¹ Kimberly Christensen²

¹Moab Mosquito Abatement District Box 142, Moab, UT 84532
²Utah Public Health Laboratories, 46 North Medical Drive, Salt Lake City, UT 84113

Abstract

Culex erythrothorax larvae were collected from a bulrush-cattail marsh near Moab, Grand County, Utah, October 28, 2004, and found positive for West Nile virus (WNV) RNA by real-time reverse-transcriptase polymerase chain reaction (RT-PCR). This demonstrates WNV vertical transmission in this species in the wild and suggests that vertical transmission in overwintering Cx. erythrothorax larvae may contribute to WNV overwintering.

Citation Download Citation

Robert A. Phillips and Kimberly Christensen "Field-Caught Culex erythrothorax Larvae Found Naturally Infected with West Nile Virus in Grand County, Utah," Journal of the American Mosquito Control Association 22(3), 561-562, (1 September 2006). https://doi.org/10.2987/8756-971X(2006)22[561:FCELFN]2.0.CO;2

Published: 1 September 2006