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Differences in exocuticle thickness in Leucorrhinia dubia (Odonata) larvae from habitats with and without fish
Halmstad University, School of Business and Engineering (SET).
Halmstad University, School of Business and Engineering (SET).
2006 (English)Independent thesis Basic level (degree of Bachelor)Student thesis
Abstract [en]
Many prey species are able to develop different morphological structures as defence against for example predators. Some of these structures are induced only by individuals exposed to a predator. This phenomenon is called phenotypic plasticity. In this paper we examine whether cuticle thickness in Leucorrhinia dubia (Odonata) larvae differed between specimens caught in fish containg lakes and fish-free lakes respectively. We measured the thickness of the cuticle from four different parts of the larvae; profemur, pronotum, ninth segment sternite and ninth segment tergite. Our results showed a significantly thicker exocuticle on profemur in larvae with a head width bigger than 4.5 mm caught in lakes with fish.
Place, publisher, year, edition, pages
2006.
Keyword [en]
Phenotypic plasticity, morphological adaptations, cuticle thickness, dragonflies, induced defence
Identifiers
URN: urn:nbn:se:hh:diva-13614Local ID: U12770OAI: oai:DiVA.org:hh-13614DiVA: diva2:368805
Uppsok
Life Earth Science
Note
Denna uppsats kan beställas från arkivet / This paper can be ordered from the archive. Kontakta / Contact: arkivet@hh.seAvailable from: 2010-11-09 Created: 2010-11-09Bibliographically approved

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