Time of Host-Seeking by Culex tarsalis (Diptera: Culicidae) in California

William Reisen, H. D. Lothrop, R. P. Meyer

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Factors altering the pattern of Culex tarsalis Coquillett host-seeking activity were studied in Kern and Riverside counties of California using an automatic time-segregated sampler baited with bottled CO2 gas released at 0.5 or 1.0 liters/min. Host-seeking always commenced shortly after sunset and usually peaked during the succeeding 1-3 h, the hottest and driest time of the night. The time of maximal activity varied over time and space, because of increased mosquito abundance (presumably reduced blood feeding success), distance of the sampler from resting sites, adulticide applications, and perhaps weather.

Original languageEnglish (US)
Pages (from-to)430-437
Number of pages8
JournalJournal of Medical Entomology
Issue number4
StatePublished - Jan 1 1997


  • California
  • Culex tarsalis
  • Host-seeking activity

ASJC Scopus subject areas

  • Parasitology
  • veterinary(all)
  • Insect Science
  • Infectious Diseases


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