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  • 1
    Call number: SR 99.0038(175)
    In: Deutsche Geodätische Kommission bei der Bayerischen Akademie der Wissenschaften
    Type of Medium: Series available for loan
    Pages: 80 S.
    Series Statement: Deutsche Geodätische Kommission bei der Bayerischen Akademie der Wissenschaften : Reihe C, Dissertationen 175
    Language: German
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Plant systematics and evolution 130 (1978), S. 43-52 
    ISSN: 1615-6110
    Keywords: Diptera ; Phoridae ; Phorinae ; Umbelliferae (Apiaceae) ; Pollination ecology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A report is given on about 1000 specimens of 28 species ofPhorinae and their occurrence on 12 species ofUmbelliferae. Collections were made in a variety of habitats ranging from the German North Sea coast up to altitudes of 2500 m in the Western Alps. The morphology of the mouth-parts of the flies and their behaviour on the umbels are discussed briefly. No specific adaptations exist between Phorid flies and the visited umbels; their relationship is mutualistic. Climate and altitude have a greater influence on frequency and diversity of these visitors than the host-plants themselves. Visitors frequency and diversity increases with altitude.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Die vorliegende Arbeit behandelt das Vorkommen der Dasselfliege Oestromyia leporina in der Umgebung von Gießen. Das Verhalten der Imagines im Freiland wird untersucht, und das Kopulationsverhalten sowie das Verhalten der Weibchen bei der Eiablage erstmals beschrieben. Die Beziehungen zwischen Parasit und Wirt und die Entwicklung der älteren Larve bis zum Schlüpfen der Puppe werden dargelegt. In Diapauseversuchen werden die Faktoren untersucht, die für die Dauer der Puppenruhe verantwortlich sind. An Hand von natürlichen und experimentellen Befunden wird die Wirtsspezifität dieser Dasselfliege besprochen, und schließlich wird diskutiert, wie weit die gewonnenen Ergebnisse auch auf geographisch weit entfernte Populationen von O. leporina anwendbar sind.
    Notes: Summary The present paper deals with the discovery of the warble-fly Oestromyia leporina in the surroundings of Gießen. The behaviour of the flies in the field is described; in particular the behaviour of both sexes before and during mating and of the female during the oviposition period is described for the first time. The relations between host and parasite are explained as well as the development from third-instar larvae into the puparium and then into the imago. By further experiments it is attempted to find out the factors causing the long time of ten months' quiescence in the puparium. The range of hosts is tested by natural and experimental infections; furthermore it is discussed if the present findings can be applied to other populations of the same warble-flies in far-off regions.
    Type of Medium: Electronic Resource
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