2009-03-242009-03-241999https://hdl.handle.net/10365/2932USDA, ARS, Montana State University-Bozeman.Biological pest control agents.Leafy spurge.Weeds.Insects.Insect-plant relationships and behavioral observations of the stem-feeding beetle Thamnurgus euphorbiae Kuster (Coleoptera: Scolytidae), a new biocontrol agent from Italy to control leafy spurge in the U.S.