Chemical detection of the predator Notonecta irrorata by ovipositing Culex mosquitoes

Leon Blaustein, Jonathan Blaustein, Jonathan Chase

Research output: Contribution to journalArticlepeer-review


We tested the oviposition response of Culex mosquitoes to the predator Notonecta irrorata in an outdoor artificial pool experiment employing equal numbers of control and predator pools. There was a strong oviposition avoidance by Culex of Notonecta pools; 83% of egg rafts were found in control pools during the period in which Notonecta were present. After removing Notonecta, mosquitoes continued to avoid ovipositing in the former Notonecta pools for two additional days suggesting a predator-released kairomone as the cue used by the mosquitoes to detect the presence of this predator.

Original languageEnglish
Pages (from-to)299-301
Number of pages3
JournalJournal of Vector Ecology
Issue number2
StatePublished - Dec 2005


  • Kairomone
  • Notonecta irrorata
  • Oviposition
  • Predation risk

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology


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