Caption for November 2003 Agricultural Research magazine article,
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,
Not a Threat to Monarchs." A large monarch caterpillar feeds on
a common milkweed plant.
Photo by Peggy Greb.
640 pixels wide: (k9642-1.jpg)
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