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Adult Dispersal Of Ostrinia Nubilalis Hübner (Lepidoptera: Crambidae) And Its Implications For Resistance Management In Bt-Maize, J. A. Qureshi, L. L. Buschman, James E. Throne, S. B. Ramaswamy

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Dispersal of European corn borer, Ostrinia nubilalis Hubner was examined by release and recapture of the dye marked adults and by capture of the feral adults in and around the large 50 ha center pivot irrigated fields of Bacillus thuringiensis (Bt) maize. Pheromone and black light traps were used to catch the adults. In 1999, 15 094 marked males and 7993 marked females were released, and in 2001, 13 942 marked males and 9977 marked females were released. In 1999, maximum mean recapture beyond the release point was 1.95 and 1.67% for males and females, but in 2001, the recapture …