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United States Department of Agriculture

Agricultural Research Service

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Image Number K8742-1

A gas chromatograph (GC) is used to identify individual scents emitted from potato foliage. Above, entomologist Joseph Dickens positions a Colorado potato beetle antenna in front of a GC outlet to find out which scents the insect detects.

Photo by Scott Bauer.



640 pixels wide: (k8742-1.jpg)




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Last Modified: 5/23/2006