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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K9642-1

Caption for November 2003 Agricultural Research magazine article, "ARS: 50 Years of Research for the Growing World." In 1999, ARS led a consortium of industry, university, and environmental organizations in assessing the risk of Bt corn pollen to monarch butterfly caterpillars. The pollen was found to be of neligible risk to the caterpillars. Here, a large monarch caterpillar feeds on a common milkweed plant.

Caption for February 2002 Agricultural Research magazine article, "Bt Corn Not a Threat to Monarchs." A large monarch caterpillar feeds on a common milkweed plant.

Photo by Peggy Greb.



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Last Modified: 5/23/2006
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