Search for dissertations about: "Odonata"

Found 4 swedish dissertations containing the word Odonata.

  2. 1. Micro- and macroevolutionary aspects of body size diversification and thermal adaptation in insects

    Author : John Waller; Evolutionär ekologi; []
    Keywords : Evolution; body size; Insects; dragonflies; damselflies; Odonata; Comparative methods; fossils;

    Abstract : Body size and body temperature are the two most important traits in biology. In this thesis I show how these twovariables have shaped the evolution of insects over the last 300 million years. READ MORE

  4. 2. The insect eggshell : ultrastructure, organisation and adaptive traits in Odonata and Diptera

    Author : Göran Sahlén; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : .... READ MORE

  5. 3. Molecular phylogenetics and taxonomic issues in dragonfly systematics (Insecta: Odonata)

    Author : Rasmus Hovmöller; Thomas Pape; Mari Källersjö; Kjell Arne Johanson; Karl Kjer; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Systematics and phylogenetics; Systematik och fylogeni;

    Abstract : Dragonflies (Odonata) are one of the ancestral groups of extant insects. They represent one of the three most basal branches in the phylogeny of winged insects. The other two groups are the Ephemeroptera, mayflies, and Neoptera, the latter which covers the remaining winged insects. READ MORE

  6. 4. The descent of damselflies and variation in relation to sex

    Author : Beatriz Willink Castro; Evolutionär ekologi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; sexual conflict; development; diversification; pleiotropy; correlational selection; damselfly;

    Abstract : Sexual conflict over mating shapes the interactions between males and females in many animals and is also responsible for dramatic adaptations in both sexes. In some species of pond damselflies (Odonata:Coeangrionidae), sexual conflict maintains discrete female-limited colour morphs over multiple generations and within populations. READ MORE