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United States Department of Agriculture

Agricultural Research Service

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Image Number K8116-1

Using a gasoline-powered insect vacuum, technician Brian Jones samples the number of spiders at various points in an Oklahoma wheat field. The tubular extension prevents crushing of wheat stems and enables the airflow to be maintained for efficient sampling.

Photo by Scott Bauer.

640 pixels wide: (k8116-1.jpg)

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Last Modified: 6/27/2017
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