Comparative effectiveness of three adult mosquito sampling methods in habitats representative of four different biomes of California

William Reisen, K. Boyce, R. C. Cummings, O. Delgado, A. Gutierrez, R. P. Meyer, T. W. Scott

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

The effectiveness of New Jersey (NJ) light, dry ice baited, and gravid female traps for collecting adult mosquitoes was compared at representative habitats in the Coachella, San Joaquin, and Sacramento valleys and the Los Angeles basin of California. The NJ light traps effectively sampled Anopheles freeborni, Culex tarsalis, Psorophora columbiae, and several Aedes when abundance was high in rural areas with minimal competitive illumination. Dry ice-baited encephalitis virus surveillance or CDC style traps collected significantly more females of most species at most localities than did NJ light traps, regardless of background illumination. The Cummings modification of the Reiter gravid female trap baited with a bulrush (Schoenoplectus) infusion was the best method for collecting Culex pipiens complex females in most habitats. In the Los Angeles basin, gravid traps baited with bulrush infusion collected, on average, 4.5 times more Culex quinquefasciatus females than did traps baited with the Reiter infusion. The bulrush infusion in combination with the Cummings trap design seemed to provide resting site cues and collected males as well as empty and bloodfed females. Mosquito surveillance programs in California should include the systematic operation of dry ice-baited and gravid female traps to improve surveillance sensitivity for selected species in appropriate habitats.

Original languageEnglish (US)
Pages (from-to)24-31
Number of pages8
JournalJournal of the American Mosquito Control Association
Volume15
Issue number1
StatePublished - Mar 1 1999

Keywords

  • Adult collection methods
  • California
  • Culex pipiens complex
  • Culex tarsalis

ASJC Scopus subject areas

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

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