USDA Forest Service
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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." |
| 14 Images of 5 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1409062 | ants | Ants, which follow the patterns established by decay, infected the wound-altered heartwood of this oak. | |
| 1479005 | Allegheny mound ant | Formica exsectoides | mound in field |
| 1479006 | Allegheny mound ant | Formica exsectoides | mound in field |
| 1398187 | carpenter ants | Camponotus spp. | |
| 1396071 | carpenter ants | Camponotus spp. | |
| 1398035 | carpenter ants | Camponotus spp. | Holes from pileated woodpeckers preying on ants. |
| 0806074 | ants | Formica spp. | Mound with carpenter's rule for scale (Torolf Torgersen's slide). Boise Cascade Corpor¬ation lands. |
| 3047025 | Texas leafcutting ant | Atta texana | 1:00 PM. See numbers |
| 3047026 | Texas leafcutting ant | Atta texana | 2:00 PM. See numbers 3047025 & 3047027 |
| 3047027 | Texas leafcutting ant | Atta texana | 12:00 PM. See numbers 304025 & 3047026 |
| 4178036 | Texas leafcutting ant | Atta texana | major worker, frontal closeup |
| 4178074 | Texas leafcutting ant | Atta texana | head & mouth parts |
| 0805065 | carpenter ants | Camponotus spp. | in white spruce |
| 0805067 | carpenter ants | Camponotus spp. | damaged timber |
