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United States Department of Agriculture

Agricultural Research Service

Image Number D2640-2

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Image Number D2640-2

A cross section of a swampbay tree trunk shows the redbay ambrosia beetle’s galleries (white lines) that are filled with the fungus Raffaelea lauricola, the cause of laurel wilt disease.

 

Photo by Stephen Ausmus.


640 pixels wide: (d2640-2.jpg)




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Last Modified: 9/25/2012