During the past 2 years, considerable controversy and debate have surrounded the impact of Bt corn pollen on monarch butterfly survival. A series of scientific studies that address this issue were recently published in the Proceedings of the National Academy of Sciences USA. Rick Hellmich and Les Lewis, USDA-ARS Corn Insects Lab, in Ames, conducted some of this research. Listed below are the article titles and a brief summary of the major findings of this research. The complete articles are available online.
Iowa State University
Rice, Marlin E., "Monarchs and Bt corn: A research update" (2002). Integrated Crop Management News. 1724.
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