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Receptor cell responses in the anterior tarsi ofPhytoseiulus persimilis to volatile kairomone components

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Abstract

Electrophysiological recordings were made of chemoreceptors on the tarsi of the first legs of the predatory mitePhytoseiulus persimilis A.-H. The high electrical resistance of the tissue (30–170 GΩ) necessitated electrode insertion very close to chemoreceptor cells to obtain spikes of detectable amplitude. Responses were obtained to two of the four known components of a volatile kairomone that is used in distant prey location. This first electrophysiological investigation of chemoreception in phytoseiid mites proves the chemoreceptive function of the tarsal receptors. However, due to extreme technical difficulties the results were too incomplete to allow comparison with investigations on the behavioral response towards the chemicals tested.

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Author notes

  1. M. de Bruyne

    Present address: Institut de Zoologie, Université de Neuchatel, Case postale 2, CH-2007, Neuchatel, Switzerland

Authors and Affiliations

  1. Department of Entomology, Wageningen Agricultural University, P.O. Box 8031, 6700 EH, Wageningen, Netherlands

    M. de Bruyne, M. Dicke & W. F. Tjallingii

Authors
  1. M. de Bruyne
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  2. M. Dicke
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  3. W. F. Tjallingii
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de Bruyne, M., Dicke, M. & Tjallingii, W.F. Receptor cell responses in the anterior tarsi ofPhytoseiulus persimilis to volatile kairomone components. Exp Appl Acarol 13, 53–58 (1991). https://doi.org/10.1007/BF01268939

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  • DOI: https://doi.org/10.1007/BF01268939

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