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European Corn Borer and Bacillus thuringiensis: Overview and Objectives Leah Sandall Department of Agronomy and Horticulture at University of Nebraska Lincoln, USA Deana Namuth Department of Agronomy and Horticulture at University of Nebraska-Lincoln, USA 2004 Lesson Navigation Tips: - Click on 'Animations' button found to the left in order to view the animation which supplements this lesson. You can also click on the animation icon within the text. - Click once on figures to see enlarged versions. - Click once on words in color to bring up their definitions. - This lesson is approximately 14 pages long when printed. - Takes most learners 15-60 minutes to complete. This lesson discusses the origin and biology of European corn borer (ECB)(Ostrinia nubilalis) and Bacillus thuringiensis (Bt). ECB is a significant threat to many crops but especially to corn production. Bt has routinely been used as a spray to control insects such as ECB. Recently, genetic engineering has been employed to enable corn to produce its own resistance to ECB. At the end of this lesson, learners should be able to: Describe the life cycle of the European corn borer List the number of ECB generations for the different regions within the United States Identify and describe damage caused by European corn borer Explain what Bt is and where it can be found Identify what insects are affected by Bt and how it kills European corn borer Identify benefits and concerns of inserting a Bt gene into corn Development of this lesson was supported in part by USDA Initiative for Future Agriculture and Food Systems (IFAFS) and the Cooperative State Research, Education, & Extension Service, U.S. Dept of Agriculture under Agreement Number 00-52100-9710. Any opinions, findings, conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture. This manuscript has been assigned Journal Series No. 04-09, College of Agricultural Sciences and Natural Resources, University of Nebraska.