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A scientist debarking infested ash trees

 Image Number D4053-1

In a hardwood forest near Lansing, Michigan, ARS entomologist Jian Duan debarks infested ash trees to collect data on emerald ash borer larval densities and parasitism by introduced biocontrol agents.


Photo by Leah Bauer-USDA Forest Service.


640 pixels wide: (D4053-1.jpg)


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