Culex pipiens sensu lato in California: A complex within a complex?

Anthony Cornel, Yoosook Lee, Rebecca Trout Fryxell, Stephanie Siefert, Catelyn Nieman, Gregory C Lanzaro

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Culex pipiens sensu lato populations represent significant nuisance pests and vectors of West Nile virus in California. Despite multiple years of investigation, identifying, controlling and understanding the behaviors and associated "biologies" of the complex members still remain a challenge. Population structure cluster analysis using microsatellite markers revealed extensive population structuring, particularly in the central parts of the State, over and above what can be explained by the presence of Cx. pipiens, Cx. quinquefasciatus and their hybrids. Ace 2 gene sequencing provided evidence for the presence of Cx. p. molestus in multiple locations both above and below ground in California. Lack of congruence of male genitalia morphology (dorsal and ventral arms/dorsal arm of phalosome) and polymerase chain reaction diagnostic assay identifications coupled with considerable heterozygosity of pyrethroid resistance in time and space all suggest complex population structuring not adequately explained using current concepts.

Original languageEnglish (US)
Pages (from-to)113-121
Number of pages9
JournalJournal of the American Mosquito Control Association
Volume28
Issue number4 SUPPL.
DOIs
StatePublished - Dec 2012

Keywords

  • Culex pipiens complex
  • population structure
  • systematics

ASJC Scopus subject areas

  • Insect Science
  • Public Health, Environmental and Occupational Health
  • Ecology, Evolution, Behavior and Systematics

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