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![Download a high-resolution (300dpi) digital image](https://webarchive.library.unt.edu/eot2008/20081108014015im_/http://www.ars.usda.gov/is/graphics/photos/downloadbutton.gif)
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: 05/23/2006
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