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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D475-1

Entomologist Nathan Schiff of USDA’s Forest Service examines an adult specimen of Sirex noctilio. DNA from the adult is used to confirm identity of larvae in infested trees.

Photo by Peggy Greb.

640 pixels wide: (d475-1.jpg)

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Last Modified: 6/27/2006
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