2009-05-022009-05-021989https://hdl.handle.net/10365/3954Insects.Phytopathogenic microorganisms.Biological pest control agents.Weeds.Leafy spurge.Status of screening activities for new insect and pathogen natural enemies of leafy spurge1989 Leafy Spurge Symposium Proceedings; Bozeman, MT; July 12-13, 1989