Journal of Chemical Ecology

, Volume 30, Issue 5, pp 965–976 | Cite as

Laboratory and Field Responses of the Mosquito, Culex quinquefasciatus, to Plant-Derived Culex spp. Oviposition Pheromone and the Oviposition Cue Skatole

  • Timothy O. Olagbemiro
  • Michael A. Birkett
  • A. Jennifer Mordue (Luntz)
  • John A. Pickett


Laboratory and field studies were conducted on the oviposition behavior of the pathogen-vectoring mosquito, Culex quinquefasciatus, in response to the oviposition pheromone 6-acetoxy-5-hexadecanolide, produced from a renewable plant resource, Kochia scoparia (Chenopodiaceae) (plant-derived pheromone, PDP), and via an established synthetic route (synthetic oviposition pheromone, SOP). Responses to the oviposition cue skatole (3-methylindole), presented individually and in combination with the plant-derived and synthetic oviposition pheromone, were also studied. Both laboratory and field assays showed that PDP and SOP were equally attractive. Synergistic effects were observed with one combination of PDP and skatole combinations in laboratory assays. Synergy was also observed under field conditions. SOP and skatole combinations showed additive effects in laboratory assays, but were not tested in field bioassays. Although synergism has been previously demonstrated with combinations of SOP and polluted waters, the work presented here is the first example of synergy between a specific oviposition attractant and the oviposition pheromone. Furthermore, the efficacy of mosquito pheromone produced from a cheap, renewable botanical source has been demonstrated.

Culex quinquefasciatus oviposition pheromone 6-acetoxy-5-hexadecanolide Kochia scoparia renewable resource skatole synergism 


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Copyright information

© Plenum Publishing Corporation 2004

Authors and Affiliations

  • Timothy O. Olagbemiro
    • 1
  • Michael A. Birkett
    • 2
  • A. Jennifer Mordue (Luntz)
    • 3
  • John A. Pickett
    • 2
  1. 1.Department of ChemistryAbubakar Tafewa Balewa UniversityBauchiNigeria
  2. 2.Biological Chemistry DivisionRothamsted ResearchHarpenden, HertsUnited Kingdom
  3. 3.Department of ZoologyUniversity of AberdeenUnited Kingdom

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