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  • Skals, NielsLund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science (författare)

Quantitative analysis of the effects of ultrasound from an odor sprayer on moth flight behavior

  • Artikel/kapitelEngelska2003

Förlag, utgivningsår, omfång ...

  • 2003

Nummerbeteckningar

  • LIBRIS-ID:oai:lup.lub.lu.se:b011add9-3ce0-4552-92cf-8fc0ae71ec00
  • https://lup.lub.lu.se/record/153028URI
  • https://doi.org/10.1023/A:1021924529533DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • A piezoelectric sprayer was recently developed for precision release of odor stimuli in olfactory research. The device replaces conventional dispensers used to release semiochemicals in studies of moth flight toward odor sources. However, the device generates high-frequency sounds in the range that some moths can hear. Ultrasound from the standard set-up sprayer had a considerable impact on flight behavior of the silver Y moth, Autographa gamma, tested in a flight tunnel. It was affected at all behavioral stages when the dispenser was driven at 120 kHz. Only 5% of the moths reached the source when exposed to 120-kHz sound from the dispenser compared to 65% in the control group without sound. The proportion taking flight was also reduced. Hearing threshold curves obtained electrophysiologically revealed that moths were sensitive to the frequency range at which the sprayer was operated and that sound intensity from the sprayer was up to 40 dB above the moths' electrophysiological hearing threshold. The audiogram for A. gamma was similar to audiograms obtained for other noctuids. Hearing sensitivity was highest at around 15 kHz, where the threshold was 35 dB SPL (sound pressure level). The threshold increased with frequency up to 94 dB SPL at 160 kHz. We improved the sprayer to operate at 300 kHz, which is beyond the hearing ability of most insects with ears. At this high frequency, the moths' sensitivity to ultrasound is reduced considerably, and we did not observe any effect on flight behavior compared to a control group without sound. Accordingly, this new piezoelectric sprayer can be used with ultrasound-sensitive insects and insensitive insects alike.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Plepys, DainiusLund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science(Swepub:lu)ekol-dpl (författare)
  • El-Sayed, A M (författare)
  • Löfstedt, ChristerLund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science(Swepub:lu)ekol-clo (författare)
  • Surlykke, Ann (författare)
  • Biologiska institutionenNaturvetenskapliga fakulteten (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Chemical Ecology29:1, s. 71-821573-1561

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Av författaren/redakt...
Skals, Niels
Plepys, Dainius
El-Sayed, A M
Löfstedt, Christ ...
Surlykke, Ann
Om ämnet
NATURVETENSKAP
NATURVETENSKAP
och Biologi
och Zoologi
NATURVETENSKAP
NATURVETENSKAP
och Biologi
Artiklar i publikationen
Journal of Chemi ...
Av lärosätet
Lunds universitet

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Skals, Niels
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