2009-05-102009-05-102001https://hdl.handle.net/10365/4253Insects.Biological pest control agents.Weeds.Leafy spurge.Effects of leafy spurge thinning on establishment and population increase of Aphthona flea beetles (abstract only)2001 Leafy Spurge Symposium Proceedings; Medora, ND; June 19-21, 2001