Journal of Chemical Ecology

, Volume 13, Issue 2, pp 245–252

Attractancy and species specificity of 6-acetoxy-5-hexadecanolide, a mosquito oviposition attractant pheromone

  • Yih-Shen Hwang
  • Mir S. Mulla
  • John D. Chaney
  • Guo-Giang Lin
  • Hai-Jian Xu
Article

Abstract

Four stereoisomers of 6-acetoxy-5-hexadecanolide, a mosquito oviposition attractant pheromone, were bioassayed for their activity on mosquitoes. Only (−)-(5R,6S) isomer was active in attractingCulex quinquefasciatus Say females for oviposition at dosages of 0.5 μg/100 ml water and above with the floating-cap method. The activity of this isomer increased 50-fold when it was applied directly to the water surface. The other three isomers, (+)-(5S,6R), (+)-(5R,6R), and (−)-(5s, 6s), were not active. The active isomer was ovipositionally attractive not only toC. quinquefasciatus but also toC. tarsalis Coquillett; however, it was 100 times more active in the former than in the latter species.Aedes aegypti (L.) andAnopheles quadrimaculatus Say were not attracted to the pheromone, thus suggesting that the pheromone is genus-specific.

Key words

(−)-(5R6S)-6-Acetoxy-5-hexadecanolides oviposition attractant pheromone mosquitoes Culex quinquefasciatus Culex tarsalis Diptera Culicidae 

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Copyright information

© Plenum Publishing Corporation 1987

Authors and Affiliations

  • Yih-Shen Hwang
    • 1
  • Mir S. Mulla
    • 1
  • John D. Chaney
    • 1
  • Guo-Giang Lin
    • 2
  • Hai-Jian Xu
    • 2
  1. 1.Department of EntomologyUniversity of CaliforniaRiverside
  2. 2.Shanghai Institute of Organic ChemistryAcademia SinicaShanghaiChina

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