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United States Department of Agriculture

Agricultural Research Service

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Image Number K9426-1

The improved version of the McPhail trap uses a combination of three chemicals to attract male and female fruit flies. The older version of the trap used a protein bait that captured large numbers of nontarget insects.

Photo by Peggy Greb.

640 pixels wide: (k9426-1.jpg)

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Last Modified: 8/13/2016
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