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Inbreeding decreases upwind pheromone: mediated male flight and frequency in female calling behavior in a lab culture of the pyraloid moth Plodia interpunctella
Kristianstad University, Faculty of Natural Science. (Pheromone Group)
2018 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Semiochemicals are chemicals used to communicate. Animals tend to use these e.g. to locate food sources or to find a suitable mate. In this study, the sex pheromone of the Indian meal moth, Plodia interpunctella, was analysed. Since this is an economically important species, it is mass-reared in labs and science centers worldwide for experimental purposes. A culture of these moths was brought into the lab at Lund University for studies and has after that served as a model species demonstrating up-wind pheromone-mediated male flight in different courses held by the university. As years went by, the culture got less successful in up-wind flights, most probably because of inbreeding and bottleneck effects, and therefore, a new culture was taken in. This study focuses on using various experiments to see if there was a behavioral and/or physiological difference between the two cultures. Results show a significant difference in behavioral traits (frequency of calling behavior in females and in male up-wind flights) but not in physiological traits (female pheromone production or male antennal response). This study discusses some effects of mass-reared lab cultures.

Place, publisher, year, edition, pages
2018. , p. 21
Keywords [en]
Plodia interpunctella, Indian meal moth, lab culture, degeneration, inbreeding
National Category
Behavioral Sciences Biology Analytical Chemistry
Identifiers
URN: urn:nbn:se:hkr:diva-18555OAI: oai:DiVA.org:hkr-18555DiVA, id: diva2:1239859
External cooperation
Lund University, dep. of Ecology, Pheromone Group, Glenn P. Svensson
Educational program
Biology programme
Presentation
2018-06-07, 20-425, Elmetorpsvägen 15, 291 39 Kristianstad, Kristianstad, 13:00 (Swedish)
Uppsok
Life Earth Science
Supervisors
Examiners
Available from: 2018-08-27 Created: 2018-08-18 Last updated: 2018-08-31Bibliographically approved

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Behavioral Sciences BiologyAnalytical Chemistry

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf