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Filtering by: Advisor Hoag, Stephen W. Remove constraint Advisor: Hoag, Stephen W. Decade 1980-1989 Remove constraint Decade: 1980-1989

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  • Etiology and pathogenesis of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata

    Creator:
    Vandenberg, J. D. (John Donald)
    Abstract:
    Chalkbrood is a mycosis of larvae of the alfalfa leafcutting bee, Megachile rotundata (Fabricius). It is a serious threat to alfalfa seed growers in western North America who use populations of this bee for pollination. Basic studies were conducted to determine the etiology of this disease and the course of...
    Resource Type:
    Dissertation
    Full Text:
    Professor W.'O. Stephen Abstract Approved: Chalkbrood is a mycosis of larvae of the alfalfa leafcutting

  • A model study of the alfalfa leafcutter bee - seed production system

    Creator:
    Stark, Steven Bruce
    Abstract:
    The behaviors of the alfalfa leaf cutter bee - seed production system under imposition of several management regimes were studied through the use of a simulation model that contains mechanisms for the following processes: 1) immature bee development and diapause; 2) immature bee mortality; 3) female bee emergence; 4) nesting...
    Resource Type:
    Dissertation
    Full Text:
    Production System. Abstract approved: Redacted for privacy W. Scott Overton Redacted for privacy William