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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
2109073 cypress twig gall midge Taxodiomyia cupressiananassa Gall formed by the cypress twig gall midge on bald cypress (Taxodium distichum). The gall pictured here is about 8 mm wide 2nd place in the Southern Forest Insect Work Conference Photo Salon in the Forest Insect Damage category.
2254007 Douglas-fir needle midge Contarinia pseudotsugae on fir
2253010 pine resin midges Cecidomyia spp. flagging terminals
0805058 spruce bud midge Dasineura swainei infested bud and larva
0805057 spruce bud midge Dasineura swainei killed spruce terminal
0805050 pineapple gall midges Rabdophaga spp. gall on willow
1398124 cone midge Resseliella spp. feeding on the inside of cone scale. Grant Co. WI.
1398137 cone midge Resseliella spp. Larvae found beneath the savcle of an infested cone. Grant Co. WI.
1468243 gall midge Camptomyia spp.
1398136 cone midge Resseliella spp. Two cone midge larvae found beneath the savcle of an infested cone. Grant Co. WI.
3057021 poplar leafcurl midge Prodiplosis morrisi earlier damage & recovery
1398116 cone midge Resseliella spp. Larvae feeding inside of a red pine cone scale. Grant Co., WI
1468129 pinyon spindlegall midge Pinyonia edulicola
1441108 pinyon spindlegall midge Pinyonia edulicola
2252060 Douglas-fir needle midge Contarinia pseudotsugae
3057020 gall midges infested leaves rolled and curled
1398193 spruce gall midge Mayetiola piceae
1398011 balsam gall midge Paradiplosis tumifex needle galls
3067037 leafcurl midges Dasineura spp.
1199024 spruce gall midge Mayetiola piceae
1587110 Contarinia spp. Contarinia spp.
1587111 Contarinia spp. Contarinia spp.
1587112 Contarinia spp. Contarinia spp.
1396041 gall midges Asynapta spp.
3067036 leafcurl midges Dasineura spp.
2253013 gouty pitch midge Cecidomyia piniinopis
0976074 gall midges South Park Ranger District
2145014 gall midges possibly Oligotrophus betheli;
2145015 gall midges possibly Oligotrophus betheli;
2145037 gall midges possibly Oligotrophus betheli;
2145038 gall midges possibly Oligotrophus betheli;
2145039 gall midges possibly Oligotrophus betheli;
2142050 gall midges old rosettes (~1yr)
1398123 cone resin midge Asynapta hopkinsi Midge larvae found inside a ddamaged red pine cone
3226090 gall midges on loblolly pine cone
1468245 gall midge Camptomyia spp. associated with mountain pine beetle
1468003 pinyon spindlegall midge Pinyonia edulicola
1470034 jack pine resin midge Cecidomyia resinicola
1398056 ocellate gall midge Acericecis ocellaris Eyespot galls.
1396043 gall midges Asynapta spp.
1241572 Douglas-fir needle midge Contarinia pseudotsugae Needles infested with Douglas-fir needle midge have swellings or galls which are discolored yellow or red.
1241571 Douglas-fir needle midge Contarinia pseudotsugae Needles infested with Douglas-fir needle midge have swellings or galls which are discolored yellow.
1241511 gouty pitch midge Cecidomyia piniinopis Gouty pitch midge infests and kills shoots, usually of young pines.
1241512 gouty pitch midge Cecidomyia piniinopis Maggots within branch swellings.
1441106 pinyon spindlegall midge Pinyonia edulicola
1441107 pinyon spindlegall midge Pinyonia edulicola
3067027 leafcurl midges Dasineura spp. inside rolled or curled ash leaves
2254008 Douglas-fir needle midge Contarinia pseudotsugae
2253011 gouty pitch midge Cecidomyia piniinopis pupa
2253012 gouty pitch midge Cecidomyia piniinopis
2254006 gall midges Needles "opened" to expose larvae taken
2252061 Douglas-fir needle midge Contarinia pseudotsugae and damage by midge feeding to douglas fir
0488056 jack pine resin midge Cecidomyia resinicola

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