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Insects Drive Rapid Evolution of Plant Hosts (13 of 17)

Caption: The cabbage aphid (Brevicoryne brassicae) exclusively feeds on plants belonging to the crucifers, and its preference for certain chemical compounds can exert strong directional selection on its host plant. This image relates to a paper that appeared in the Oct. 5, 2012, issue of Science, published by AAAS. The paper, by Tobias Züst at University of Zürich in Zürich, Switzerland, and colleagues was titled, "Natural Enemies Drive Geographic Variation in Plant Defenses."

Credit: Image courtesy of Tobias Züst

Usage Restrictions: Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission.

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