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Filtering by: Subject Purple loosestrife -- Biological control -- Oregon Resource Type Masters Thesis

Biological control of purple loosestrife Lythrum salicaria by two chrysomelid beetles Galerucella pusilla and G. calmariensis

Creator:

Schooler, Shon

Abstract:

In the first part of this study we monitored the development of biological control of purple loosestrife Lythrum salicaria over a six-year period at Morgan Lake in western Oregon. In 1992, two beetles, Galerucella pusilla and G. calmariensis (Coleoptera: Chrysomelidae), were released to control the wetland weed at this test...

Resource Type:

Masters Thesis

Full Text:

Biological control of purple loosestrife Lythrum salicaria
Biological control of purple loosestrife Lythrum salicaria (Lythraceae) : stability of control and integration with wetland management practices

Creator:

Schat, Marjolein

Abstract:

Purple loosestrife is a wetland perennial that came to the eastern seaboard of North America in ship ballast and raw wool in the 1800's. Since coming to the United States, it has spread across the country, forming dense monospecific stands in wetlands. Mechanical and chemical control was expensive and ineffective,...

Resource Type:

Masters Thesis

Full Text:

's. Four biological control agents were released to control purple loosestrife: two leaf-feeding