2009-05-062009-05-061994https://hdl.handle.net/10365/4130Insects.Biological pest control agents.Weeds.Leafy spurge.Aphthona spp. (Chrysomelidae) on their host, leafy spurge (Euphorbia esula), in Fremont County, Wyoming1994 Leafy Spurge Symposium Proceedings; Bozeman, MT; July 26-29, 1994