2009-05-102009-05-101999https://hdl.handle.net/10365/4215Insects.Biological pest control agents.Weeds.Leafy spurge.Sex ratio effects on fecundity and fertility of a leafy spurge flea beetle Aphthona lacertosa1999 Leafy Spurge Symposium Proceedings; Medora, ND; June 29, 1999