Search for dissertations about: "Diptera"
Showing result 11 - 15 of 24 swedish dissertations containing the word Diptera.
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11. Odours attracting Medetera (Diptera) predators to spruce bark beetles in a multitrophic system
Abstract : Tree-killing bark beetles cause great economic and ecological damage worldwide. Several long-legged fly species of the genus Medetera are natural enemies of tree-killing bark beetles and are of interest as potential biological control agents. READ MORE
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12. Reproductive biology of the tsetse Glossina pallidipes Austen (Diptera, Glossinidae) with special reference to mating behaviour
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13. Life histories and coexistence of Chironomus plumosus (L.), C. anthracinus Zett. (Diptera: Chironomidae) and Pontoporeia affinis Lindström (Crustacea: Amphipoda) in mesotrophic lake Erken
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14. Parasites, reproductive success and health status in birds
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15. Indirect effects of river regulation : consequences for landbirds of reduced numbers of aquatic insects
Abstract : Abstrakt: Jag har undersökt hur älvreglering påverkar mängden knott (Tvåvingar: Simuliidae) längs flera norrlandsälvar och vilka konsekvenser denna påverkan får för den landlevande fågelfaunan. Studien visar att utbyggnad av älvar har en negativ effekt på mängden knott. READ MORE