Essays about: "Scolytidae"

Found 2 essays containing the word Scolytidae.

  1. 1. Plume interaction and odour source spacing ofpheromone and non-host volatiles : : Behaviouraleffects on bark beetles and moths

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Muhammad Binyameen; [2009]
    Keywords : Odour; plume structure; plume interactions; Spodoptera littoralis; S. litura; Ips typographus; Lepidoptera; Noctuidae; Coleoptera; Scolytidae; PID; orientation; sex pheromone; NHV ;

    Abstract : Insects have a remarkable ability to sense whether odours are released from one point source or from two closely separated ones. Therefore it is of interest to study the interactions of pheromone component odour plumes to affect the insect behaviour when the release points ofdifferent components are physically separated. READ MORE

  3. 2. Ips typographus and other bark and wood-boring beetles in girdled spruces

    University essay from SLU/Dept. of Ecology

    Author : Petra Svensson; [2008]
    Keywords : girdle; spruce; Picea abies; spruce bark beetle; Ips typographus; woodpecker; bark and wood-boring beetles; Scolytidae;

    Abstract : To decrease the number of spruce trees and to create dead wood in some areas several county administration boards have girdled spruces. Girdled spruces have been little studied in terms of the insect fauna. READ MORE