Abstract
Single-unit electrophysiology was used to record the nerve impulses from the carbon dioxide receptors of female Queensland fruit flies, Bactrocera tryoni. The receptors responded to stimulation in a phasic-tonic manner and also had a period of inhibition of the nerve impulses after the end of stimulation, at high stimulus intensities. The cell responding to carbon dioxide was presented with a range of environmental odorants and found to respond to methyl butyrate and 2-butanone. The coding characteristics of the carbon dioxide cell and the ability to detect other odorants are discussed, with particular reference to the known behavior of the fly.
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Hull, C.D., Cribb, B.W. Olfaction in the Queensland Fruit Fly, Bactrocera tryoni. II: Response Spectra and Temporal Encoding Characteristics of the Carbon Dioxide Receptors. J Chem Ecol 27, 889–906 (2001). https://doi.org/10.1023/A:1010326801480
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DOI: https://doi.org/10.1023/A:1010326801480