The gall midge, Spurgia esulae Gagne (Diptera: Cecidomyiidae): Notes on biology and impacts of hymenopteran predators

2009-05-052009-05-051993https://hdl.handle.net/10365/4085Biological pest control agents.Insects.Weeds.Leafy spurge.The gall midge, Spurgia esulae Gagne (Diptera: Cecidomyiidae): Notes on biology and impacts of hymenopteran predators1993 Leafy Spurge Symposium Proceedings; Granby, CO; July 26-28, 1993