Narrow Results by:

Subject Specific Filters:

All Subject Filters are in use

Image Specific Filters:

All Image Filters are in use

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."


Remove Filters: Insects(X) Pyralidae(X) Symptoms(X) Portrait(X)

4 Images of 1 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
2141069 cone worms Dioryctria spp. sporulating canker at base of tree; resinosus likely due to rust infection as well as pitchmass borers
2141068 cone worms Dioryctria spp. sporulating blisters at base; resinosus likely due to canker as well as pitch mass borers
2144020 cone worms Dioryctria spp. pinyon pitch mass borer; possibly D.albovittella
2144021 cone worms Dioryctria spp. pinyon pitch mass borer; possibly D.albovittella

Page: