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USDA Forest Service

USDA Forest Service

The U.S. Department of Agriculture Forest Service is a Federal agency that manages public lands in national forests and grasslands. The Forest Service is also the largest forestry research organization in the world, and provides technical and financial assistance to state and private forestry agencies. Gifford Pinchot, the first Chief of the Forest Service, summed up the purpose of the Forest Service—"to provide the greatest amount of good for the greatest amount of people in the long run."
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Image Subject Name Scientific Name Description
4387006 pine wilt nematode Bursaphelenchus xylophilus The nematode is vectored by species of Monochamus (a.k.a. sawyers or longhorned beetles).
4387008 pine wilt nematode Bursaphelenchus xylophilus The nematode may be transmitted to a susceptible host when the adult feed on pine shoots. This is termed "primary transmission" and may result in pine wilt.

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