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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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43 Images of 12 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
4178061 cone worms Dioryctria spp.
4178068 pine colaspis Colaspis pini note coloration change due to adult feeding
4178078 Texas leafcutting ant Atta texana mounds
4178087 mite Dendrolaelaps neodisetus phoretic on southern pine beetle, adult
4178089 checkered beetle Thanasimus dubius in pupal chamber
4178090 checkered beetle Thanasimus dubius in pupal chamber
4178091 checkered beetle Thanasimus dubius late pupa in pupal chamber
4178079 Texas leafcutting ant Atta texana foraging
4178080 Texas leafcutting ant Atta texana biting on human finger, drawing blood
4178081 Texas leafcutting ant Atta texana bite on human finger w/ no ant in sight
4178082 Texas leafcutting ant Atta texana fungus garden & fresh leaves
4178083 Texas leafcutting ant Atta texana fungus cavity 8' deep
4178084 Texas leafcutting ant Atta texana cross-section of nest showing cavity
4178085 phoretic mites Histiogaster arborsignis mites on southern pine beetle adult
4178069 snout beetles or weevils emerging from stump
4178071 pine webworm Pococera robustella showing webbing and frass
4178074 Texas leafcutting ant Atta texana head & mouth parts
4178075 Texas leafcutting ant Atta texana on pine shoot
4178076 Texas leafcutting ant Atta texana worker, lateral view
4178077 Texas leafcutting ant Atta texana brood on fungus garden
4178062 pitch twig moth Retinia comstockiana twig gall
4178058 cone worms Dioryctria spp.
4178059 cone worms Dioryctria spp.
4178060 cone worms Dioryctria spp.
3037030 Texas leafcutting ant Atta texana Distribution map for Texas and Louisiana, USA
3037031 Texas leafcutting ant Atta texana Calcasreu, Louisiana, USA worker transporting smallstone
3037032 Texas leafcutting ant Atta texana cutting needle
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
4178040 Texas leafcutting ant Atta texana fungus garden
4178041 Texas leafcutting ant Atta texana excavation of colony with channels cemented
4178051 checkered beetle Thanasimus dubius feeding on SPB larva
4178053 checkered beetle Thanasimus dubius on bark
4178054 checkered beetle Thanasimus dubius preadult nearly ready to emerge
4178055 cylindrical bark beetles Lasconotus referendarius
4178056 checkered beetle Thanasimus dubius in bark layer
4178057 southern pine beetle Dendroctonus frontalis Female on left, male on right with notch on head.
4178044 checkered beetle Thanasimus dubius after feeding on Southern pine beetle
4178047 Tarsonemid mite Tarsonemus ips under thorax
4178037 Texas leafcutting ant Atta texana worker clipping needle
0745012 checkered beetle Thanasimus dubius Mid instar larva feeding on late instar larva of Southern Pine Beetle.

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