The swede midge, Contarinia nasturtii (Kieffer) (Diptera: Cecidomyiidae), is native to Europe and Asia where it is a pest of cruciferous crops. The swede midge was not known to occur in North America until it was found on broccoli in 1996 in Ontario, Canada. It has recently become established in several areas of Canada and its presence there creates an immediate threat to the large crucifer industry in the United States. In 2002 and 2003, cruciferous crops in New York state were intensely sampled to determine whether the swede midge was present, but none were detected. In 2004 sampling procedures were modified to include using pheromone traps to detect its presence. Additionally, in 2004 laboratory and greenhouse tests were conducted to evaluate a series of insecticides, insecticide application strategies, and host plant resistance strategies in order to develop a proactive management strategy for when swede midge becomes established in the United States.