Journal of Chemical Ecology

, Volume 16, Issue 2, pp 365–380 | Cite as

Insect antifeedant activity associated with compounds isolated from species ofLonchocarpus andTephrosia

  • M. S. J. Simmonds
  • W. M. Blaney
  • F. Delle Monache
  • G. B. Marini Bettolo


The antifeedant activity of a series of 21 chalcones, flavanes, and flavanones isolated from the generaLonchocarpus andTephrosia (Leguminosae) was assessed by behavioral and electrophysiological bioassays against larvae ofSpodoptera littoralis andS. exempta. The antifeedant activity is related to the molecular structure of the compounds, and possible modes of interaction with the insect taste receptors are discussed.

Key words

Spodoptera littoralis Spodoptera exempta Lepidoptera Noctuidae Lonchocarpus, Tephrosia antifeedant feeding behavior gustatory codes 


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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • M. S. J. Simmonds
    • 1
  • W. M. Blaney
    • 2
  • F. Delle Monache
    • 3
  • G. B. Marini Bettolo
    • 3
  1. 1.Behavioral Entomology Group Jodrell LaboratoryRoyal Botanic Gardens KewRichmondEngland
  2. 2.Behavioral Entomology Group Department of BiologyBirkbeck College (University of London)LondonEngland
  3. 3.Centro Chimica dei Recettori and Istituto di ChimicaUniversita Cattolica del Sacro CuoreRomeItaly

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