Poritz, Noah Holleman2015-05-122015-05-121988https://scholarworks.montana.edu/handle/1/7034enLeafy spurgeSphingidaeWeeds--Biological controlLaboratory fecundity and development, field population dynamics, pupal predation and the history of releases of the spurge hawkmoth, Hyles euphorbiae (L.), a biological control agent of leafy spurge, Euphorbia esula L., in MontanaThesisCopyright 1988 by Noah Holleman Poritz