Search for dissertations about: "Diprionidae"

Found 2 swedish dissertations containing the word Diprionidae.

  2. 1. Behaviour of Pine Sawflies in Relation to Pheromone-Based Pest Management

    Author : Fredrik Östrand; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Animal ecology; effective sampling area; mark-release-recapture; climate; longevity; sampling range; Symphyta; Hymenoptera; monitoring; dispersal; polyandry; mating disruption; integrated pest management; behaviour; sex pheromone; Neodiprion sertifer; Diprionidae; Djurekologi; Zoology; Zoologi; Silviculture; forestry; forestry technology; Skogsvetenskap; skogsbruk; skogsteknik;

    Abstract : Pine sawflies (Hymenoptera: Diprionidae) are severe pine defoliators. This thesis investigated sawfly behaviour related to the use of pheromones in integrated pest management, including monitoring with pheromone traps and mating disruption. READ MORE

  4. 2. The effect of temperature on trophic interactions : Implications for the population dynamics of a forest pest insect in a warmer climate

    Author : Ida Kollberg; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Increase in temperature related to climate change will have consequences on the performance of organisms. Insects could be expected to respond more than other organism groups because they are ectotherms. READ MORE