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The use of the sex pheromone as an evolutionary solution to food source selection in caterpillars

Author

Listed:
  • Erwan Poivet

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication)

  • Kacem Rharrabe

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication
    Present address: Université Abdelmalek Essaadi, Faculté Polydisciplinaire de Larache, Département des Ressources Naturelles, B.P. 745, 92004 Larache, Morocco.)

  • Christelle Monsempes

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication)

  • Nicolas Glaser

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication)

  • Didier Rochat

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication)

  • Michel Renou

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication)

  • Frédéric Marion-Poll

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication
    AgroParisTech)

  • Emmanuelle Jacquin-Joly

    (INRA, UMR 1272 INRA-UPMC Physiologie de l'Insecte: Signalisation et Communication)

Abstract

Sex pheromones are released by adults of a species to elicit a sexual interaction with the other sex of the same species. Here we report an unexpected effect of a moth sex pheromone on the caterpillars of the same species. We demonstrate that larvae of the cotton leafworm Spodoptera littoralis are attracted by the moth sex pheromone and that this phenomenon is independent of sex determination. In addition, we show that the olfactory sensilla carried by the caterpillar antennae are sensitive to the pheromone and that the caterpillar sensilla express pheromone-binding proteins that are used by adult antennae to bind pheromone components. Finally, we demonstrate that the larvae are preferentially attracted to a food source when it contains the sex pheromone main component. A possible interpretation of these results is that the sex pheromone is used to promote food search in caterpillars, opening potential new routes for insect pest management.

Suggested Citation

  • Erwan Poivet & Kacem Rharrabe & Christelle Monsempes & Nicolas Glaser & Didier Rochat & Michel Renou & Frédéric Marion-Poll & Emmanuelle Jacquin-Joly, 2012. "The use of the sex pheromone as an evolutionary solution to food source selection in caterpillars," Nature Communications, Nature, vol. 3(1), pages 1-7, January.
    • Handle: RePEc:nat:natcom:v:3:y:2012:i:1:d:10.1038_ncomms2050
    DOI: 10.1038/ncomms2050
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    Cited by:

    1. Thomas A. Verschut & Renny Ng & Nicolas P. Doubovetzky & Guillaume Calvez & Jan L. Sneep & Adriaan J. Minnaard & Chih-Ying Su & Mikael A. Carlsson & Bregje Wertheim & Jean-Christophe Billeter, 2023. "Aggregation pheromones have a non-linear effect on oviposition behavior in Drosophila melanogaster," Nature Communications, Nature, vol. 14(1), pages 1-15, December.

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