Evidence of vertical transmission of West Nile virus in field-collected mosquitoes

Isik Unlu, Andrew J. MacKay, Alma Roy, Matt M. Yates, Lane D. Foil

Research output: Contribution to journalArticlepeer-review

Abstract

Male and nulliparous female mosquitoes were surveyed for evidence of vertical WNV infection in East Baton Rouge Parish, Louisiana. Adult male mosquitoes collected by trapping and aspiration, and adult male and nulliparous female mosquitoes reared from field-collected larvae were tested. Adult male Culex spp., female Aedes albopictus (Skuse), and female Culex quinquifasciatus Say mosquitoes that were collected as larvae were test-positive for WNV RNA. Infectious WNV was detected using virus isolation in field-collected male Aedes triseriatus Say and Culex salinarius Coquillett; these data represent the first field evidence of vertical transmission of WNV in Ae. triseriatus and Cx. salinarius.

Original languageEnglish (US)
Pages (from-to)95-99
Number of pages5
JournalJournal of Vector Ecology
Volume35
Issue number1
DOIs
StatePublished - Jun 2010
Externally publishedYes

Keywords

  • Mosquitoes
  • Vertical transmission
  • West Nile virus

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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