Search for dissertations about: "Fjärilar"

Showing result 1 - 5 of 18 swedish dissertations containing the word Fjärilar.

  2. 1. Behaviour of Lycaenid butterfly larvae in their mutualistic interactions with ants

    Author : Annkristin H. Axén; Judith L. Bronstein; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fjärilar; myror; djurekologi; etologi; Ethology;

    Abstract : Interspecific mutualism often involves partners trading different kinds of services. The cost and benefits of the trade may differ from one interaction to the next, or fluctuate over time in a single interaction, due to factors both internal and external to the mutualism itself. READ MORE

  4. 2. Fecundity in butterflies : adaptations and constraints

    Author : Bengt Karlsson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fjärilar; reproduktion;

    Abstract : .... READ MORE

  5. 3. Mating strategies of male butterflies in relation to female fecundity and polyandry

    Author : Lena Svärd; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Insekter; Fjärilar;

    Abstract : .... READ MORE

  6. 4. Disruption of moth mating behaviour by olfactory and auditory cues

    Author : Glenn Svensson; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Djurekologi; ultrasound; predation risk; selection; heritability; flight tunnel; harmonic radar; pest control; mating disruption; pheromone communication; Pyralidae; Lepidoptera; Noctuidae; Animal ecology;

    Abstract : The impact of olfactory and auditory cues on the mating behaviour in two species of moths, Agrotis segetum (Noctuidae) and Plodia interpunctella (Pyralidae), was investigated to evaluate their potential use in integrated pest management. The flight behaviour of male A. READ MORE

  7. 5. Ecology and conservation of the moth Dysauxes ancilla

    Author : Per-Eric Betzholtz; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Animal ecology; Djurekologi; marc-recapture; population viability; fluctuating asymmetry; genetic status; larval feeding; movements; endangered species; conservation; outpost population; Lepidoptera; Dysauxes ancilla;

    Abstract : The ecology of the moth Dysauxes ancilla was studied in the only Swedish breeding area at Beijershamn, situated on the Baltic island of Öland. The population is a northern outpost, separated from the species´ continous distribution area in middle- and southeast Europe. READ MORE