Subjects affecting Douglas-fir (Pseudotsuga menziesii)
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Image Subject Name Scientific Name Description
5495011 flatheaded fir borer Phaenops drummondi Douglas-fir killed by flatheaded fir borer. Woodpeckers have been feeding on the larvae
5495043 black stain root disease Ophiostoma wageneri resinosis on the lower stem of an infected tree
5475121 exhaust Exhaust damage from a vactor truck idling nearby. You can see the restored trench between the cones.
0758244 Douglas-fir beetle Dendroctonus pseudotsugae Summary of tree and volume loss estimates for a Douglas-fir beetle outbreak in the North Fork Clearwater River drainage, ID based on aerial photo and ground surveys.
0758240 Douglas-fir beetle Dendroctonus pseudotsugae Map of land ownerships in the area affected by the 1971-73 Douglas-fir beetle outbreak in the North Fork Clearwater River area.
0758241 Douglas-fir beetle Dendroctonus pseudotsugae Map showing location of aerial photo and ground sample plots used to assess the 1971 Douglas-fir beetle outbreak in the North Fork Clearwater River drainage, ID.
0758242 Douglas-fir beetle Dendroctonus pseudotsugae Regression lines of aerial photo vs ground counts of number of trees and volume affected, 1971 Douglas-fir beetle outbreak, North Fork Clearwater River, ID.
0758243 Douglas-fir beetle Dendroctonus pseudotsugae Estimates of number of trees and volume lost due to two years of Douglas-fir beetle infestation based on aerial photo/ground surveys, North Fork Clearwater River, ID.
1306024 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1593004 cooley spruce gall adelgid Adelges cooleyi Wool-covered adelgids on their alternate host, Douglas-fir. 
5458603 Rhabdocline needlecast Rhabdocline weirii The fruiting bodies rupture the needle epidermis in spring exposing the spore bearing areas.
5458636 Rhabdocline needlecast Rhabdocline weirii  Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib.
5445588 Douglas-fir needle midge Contarinia pseudotsugae Needle galls showing chlorosis and swelling due to gall midge infestation
5445589 Douglas-fir needle midge Contarinia pseudotsugae Midge larva is visible when needle is broken open at the gall
5445204 cooley spruce gall adelgid Adelges cooleyi
5445205 cooley spruce gall adelgid Adelges cooleyi with eggs
5445203 cooley spruce gall adelgid Adelges cooleyi
1468107 spruce budworm Choristoneura fumiferana entrance hole and frass of young larvae; 1966
4544065 cooley spruce gall adelgid Adelges cooleyi
1241639 red belt abiotic damage
1467326 Douglas-fir dwarf mistletoe Arceuthobium douglasii
2251040 Douglas-fir needlecast Rhabdocline pseudotsugae close-up view of symptoms on Douglas-fir
1123017 Douglas-fir needle midge Contarinia pseudotsugae damage in center of needle; first record from Pennsylvania, 2002
0976078 Douglas-fir beetle Dendroctonus pseudotsugae mortality at Spring Creek area, Walla Walla Ranger District
0976069 dwarf mistletoes Arceuthobium spp. large brooms; Wenatchee National Forest
0717029 pales weevil Hylobius pales
1201026 Douglas-fir beetle Dendroctonus pseudotsugae Development of brood in windthrown of tree, winter of 1952-53. 7-23-53 KHW
4215011 annosum root disease Heterobasidion annosum Douglas-fir with thin crown and chlorotic foliage
2253071 chemicals Foliage "burn" due to dimethoate insecticide.
1241527 Douglas-fir beetle Dendroctonus pseudotsugae Two pre-pupal larvae in the phloem.
0534050 Douglas-fir needlecast Rhabdocline pseudotsugae
5123034 Kellog scale Stramenaspis kelloggi Collector: T.Kono Date of photograph or collection: 12/08/1978
5123035 Kellog scale Stramenaspis kelloggi Collector: T.Kono Date of photograph or collection: 12/08/1978
5114052 soft scale Physokermes taxifoliae Collector: C. & T. Kono Date of photograph or collection: 04/14/1979
5114053 soft scale Physokermes taxifoliae Collector: C. & T. Kono Date of photograph or collection: 04/14/1979
5114054 soft scale Physokermes taxifoliae Collector: C. & T. Kono Date of photograph or collection: 04/14/1979
5114055 soft scale Physokermes taxifoliae Collector: C. & T. Kono Date of photograph or collection: 04/14/1979
1306030 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1306026 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1306028 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1415022 red heart decay Stereum sanguinolentum May 9, 2002
1415023 red heart decay Stereum sanguinolentum May 9, 2002
2251018 Dermea canker Dermea pseudotsugae
2251044 Swiss needle cast Phaeocryptopus gaeumannii infected foliage on left and healthy foliage on right
1371089 red-belted fungus Fomitopsis pinicola Nemecká, Slovakia
4449007 ozone
1468229 Fusarium wilts, blights, rots and damping-off Fusarium spp.
1468257 spider mites
1468228 Fusarium wilts, blights, rots and damping-off Fusarium spp.
1468387 western spruce budworm Choristoneura freemani
1468211 western spruce budworm Choristoneura freemani
1415021 red heart decay Stereum sanguinolentum May 9, 2002
1241642 frost and winter injury (general) Frost damage occured during bud break.
1468142 soft scales Toumeyella spp.
1467165 Schweinitzii root and butt disease Phaeolus schweinitzii rare
1241567 Rhabdocline needlecasts Rhabdocline spp. Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib.
4544066 cooley spruce gall adelgid Adelges cooleyi
1468152 blackbellied clerid Enoclerus lecontei
1241675 annosum root disease Heterobasidion annosum An useful sign of annosus root disease is an irregular pattern of staining in root and butt heartwood. In Douglas-fir the stain is red-brown.
1212015 Douglas-fir tussock moth Orgyia pseudotsugata Indian Creek area, Heppner RD, Umatilla NF, 2001
1467233 sunscald
1241562 spruce aphid Elatobium abietinum Aphids are normally wingless, and feed gregariously on spruce or Douglas-fir foliage.
1467108 Douglas-fir dwarf mistletoe Arceuthobium douglasii
2252060 Douglas-fir needle midge Contarinia pseudotsugae
1468386 western spruce budworm Choristoneura freemani
1467085 cone worms Dioryctria spp.
1467372 Douglas-fir needlecast Rhabdocline pseudotsugae
1241558 western false hemlock looper Nepytia freemani
1468108 spruce budworm Choristoneura fumiferana
1467087 cone worms Dioryctria spp.
1468319 Douglas-fir twig weevil Cylindrocopturus furnissi
1406195 Swiss needle cast Phaeocryptopus gaeumannii
2250056 black stain root disease Ophiostoma wageneri stained roots of Douglas-fir
1441053 Douglas-fir tussock moth Orgyia pseudotsugata defoliation
1210088 frost and winter injury (general) Lateral shoot damaged by frost
1467090 cone worms Dioryctria spp.
1241566 Rhabdocline needlecasts Rhabdocline spp. Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib.
1468231 Fusarium wilts, blights, rots and damping-off Fusarium spp.
2101031 black stem borer Xylosandrus germanus in galleries
1467236 galls bacterial gall
1241469 Douglas-fir beetle Dendroctonus pseudotsugae Red-orange boring dust is evidence of successful attack.
1241470 Douglas-fir beetle Dendroctonus pseudotsugae Egg galleries are vertical and the larval galleries are in alternating groups.
1442209 lightning Lightning strike
1415168 Douglas-fir needlecast Rhabdocline pseudotsugae April 30, 2003
1441052 Douglas-fir tussock moth Orgyia pseudotsugata August 1973
1415166 Douglas-fir needlecast Rhabdocline pseudotsugae April 30, 2003
1241472 Douglas-fir beetle Dendroctonus pseudotsugae Douglas-fir beetle often kills groups of adjacent trees in successive years. Older dead with little remaining foliage are commonly found near recent mortality. Groups such as this are a good place to look for fresh attacks which will have boring dust on stems but green crowns.
0534047 Douglas-fir needlecast Rhabdocline pseudotsugae
1415167 Douglas-fir needlecast Rhabdocline pseudotsugae April 30, 2003
2251038 tar spot needlecast Davisomycella ampla Douglas-fir Christmas tree plantation
1441050 Douglas-fir tussock moth Orgyia pseudotsugata and young larvae
1441026 Douglas-fir beetle Dendroctonus pseudotsugae Golden Gate Canyon State Park, Colorado, March 1989
4554086 cooley spruce gall adelgid Adelges cooleyi
0534048 Douglas-fir needlecast Rhabdocline pseudotsugae
0534049 Douglas-fir needlecast Rhabdocline pseudotsugae
0718007 pales weevil Hylobius pales
0718008 pales weevil Hylobius pales
1587167 cooley spruce gall adelgid Adelges cooleyi
1306021 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1241471 Douglas-fir beetle Dendroctonus pseudotsugae Trees killed will have red crowns several months after a successful attack.
1241669 Armillaria root rot Armillaria solidipes Resinosus on a young, thin-barked Douglas-fir is often the first sign of infection.
1241565 Rhabdocline needlecasts Rhabdocline spp. Red spots and transverse banding on infected needles.
2251017 Dermea canker Dermea pseudotsugae
1241650 chemicals Magnesium chloride dust abatement injury.
1406194 Swiss needle cast Phaeocryptopus gaeumannii
1467196 drought
1371049 Phacidium fungus Phacidium coniferarum Canker on twig. Nemecká, Slovakia
1587024 Douglas-fir engraver Scolytus unispinosus DF top killed during droughty period, probably DF engraver beetles or DF pole beetle
1587179 spruce spider mite Oligonychus ununguis
1587178 spruce spider mite Oligonychus ununguis
1587151 silverspotted tiger moth Lophocampa argentata
1587117 Douglas-fir tussock moth Orgyia pseudotsugata
1587110 Contarinia spp. Contarinia spp.
1587111 Contarinia spp. Contarinia spp.
1587112 Contarinia spp. Contarinia spp.
1587106 Douglas-fir bud moth Zeiraphera hesperiana
1587107 Douglas-fir bud moth Zeiraphera hesperiana Pattern of Zeiraphera damage to Douglas-fir new growth, chewed needles, hollow buds (note hole), webbing budcap on shoot
1587105 Douglas-fir tussock moth Orgyia pseudotsugata
1587103 Douglas-fir tussock moth Orgyia pseudotsugata
1587095 Douglas-fir twig weevil Cylindrocopturus furnissi
1587064 long-horned beetles wood borer material, parking lot planting
1587025 Douglas-fir pole beetle Pseudohylesinus nebulosus
1587019 Douglas-fir beetle Dendroctonus pseudotsugae
1587020 Douglas-fir beetle Dendroctonus pseudotsugae boring dust on down log  
1587008 Douglas-fir beetle Dendroctonus pseudotsugae Closeup Douglas-fir beetle frass pile on down tree
1468214 western spruce budworm Choristoneura freemani
1467197 frost and winter injury (general)
1241647 chemicals Douglas-fir damaged several miles downwind from release site of chloring gas. Outer foliage was killed and shed within two weeks of exposure.
1118224 root lifting, soil heaving, and windthrow Windthrows along stream near Mt. Rainier, WA 9/94
1467132 Douglas-fir dwarf mistletoe Arceuthobium douglasii palmate broom
1467037 bear Ursus spp.
1467131 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1306027 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1467034 bear Ursus spp.
1137022 black stain root disease Ophiostoma wageneri
1468389 spruce budworm Choristoneura fumiferana pupal case
2251039 Douglas-fir needlecast Rhabdocline pseudotsugae advanced symptoms at Christmas Tree Plantation
1467124 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1467091 spruce coneworm Dioryctria abietella
1468218 Douglas-fir beetle Dendroctonus pseudotsugae
1371047 Swiss needle cast Phaeocryptopus gaeumannii Stand dieback in group of several trees.
1468393 spruce budworm Choristoneura fumiferana
1467328 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1467110 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1306023 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1306025 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1306029 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1241668 Armillaria root rot Armillaria solidipes Fresh and older (bark) resinosus at the base of an infected Douglas-fir.
1371048 Swiss needle cast Phaeocryptopus gaeumannii Necrotic lesions on needles 2 years old and older; dieback from the tip of needle. Nemecká, Slovakia
1210078 Douglas-fir dwarf mistletoe Arceuthobium douglasii Witches' brooms
1306022 Douglas-fir beetle Dendroctonus pseudotsugae spot infestation
1476092 cooley spruce gall adelgid Adelges cooleyi mature female on douglas fir needles
4800008 clearcut Old fashion Douglas-fir clearcut, burn and plant. western Washington
5411328 Diplodia blight Sphaeropsis sapinea dark fungal conidia
5411329 Diplodia blight Sphaeropsis sapinea pycnidia on needles
5411337 Diplodia blight Sphaeropsis sapinea tip blight
5411338 Diplodia blight Sphaeropsis sapinea tip blight
5038043 sudden oak death Phytophthora ramorum Symptoms of P. ramorum on Douglas-fir
1241651 chemicals Magnesium chloride dust abatement injury.
5382395 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382393 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382394 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382396 Douglas-fir beetle Dendroctonus pseudotsugae
5382397 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
5382398 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation
1254027 western spruce budworm Choristoneura freemani
1254028 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass
0758143 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, North Fork Clearwater River
0758144 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, North Fork Clearwater River
0758145 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, North Fork Clearwater River
0758146 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality caused by Douglas-fir beetle, North Fork Clearwater River
0758147 Douglas-fir beetle Dendroctonus pseudotsugae Tree mortality
0758148 Douglas-fir beetle Dendroctonus pseudotsugae Multiple tree spot; South Fork Clearwater River
1949043 Douglas-fir dwarf mistletoe Arceuthobium douglasii Arceuthobium douglasii on Pseudotsuga menziesii, showing top dieback.
1949044 Douglas-fir dwarf mistletoe Arceuthobium douglasii Arceuthobium douglasii on Pseudotsuga menziesii; mistletoe shoots scattered along the host branch.
1949026 laminated root disease Phellinus weirii Inonotus weirii infection of Pseudotsuga menziesii, showing dead tree and trees with thinned crowns and yellowing.
1949027 laminated root disease Phellinus weirii Wind-thrown 60-year-old Pseudotsuga menziesii, showing advanced Inonotus weirii decay in the roots and root collar; note how the roots break close to the root collar, creating "root balls".
1949028 laminated root disease Phellinus weirii Reddish brown stain typical of infection by Inonotus weirii in a 60-year-old Pseudotsuga menziesii tree; infection does not usually extend much above 2-4 m up the bole in a living tree.
0656055 Douglas-fir dwarf mistletoe Arceuthobium douglasii Arceuthobium douglasii on Pseudotsuga menziesii showing witches' brooms.
2122030 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case, near Aspen Park, CO
5346007 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346008 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346009 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346010 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346011 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Santa Clara Canyon, Santa Clara Indian Reservation, NM, July 2007
5346030 Douglas-fir tussock moth Orgyia pseudotsugata Heavy defoliation, Douglas Co, CO, August 2007
5346082 Douglas-fir tussock moth Orgyia pseudotsugata Left to Right: Female adult, egg-mass and pupal cases, Douglas Co,CO, August 2007
5346085 Douglas-fir tussock moth Orgyia pseudotsugata
5346086 Douglas-fir tussock moth Orgyia pseudotsugata
5346087 Douglas-fir tussock moth Orgyia pseudotsugata Coccons on Douglas fir branches, Douglas Co, CO, August 2007
5346088 Douglas-fir tussock moth Orgyia pseudotsugata Cocoons on Douglas-fir branches, Douglas Co, CO, August 2007
5366951 wood decay and heart rots of hardwoods Fomes spp. Conk of the red belt fungus, Fomes pinicola, on the trunk of a Douglas-fir tree.  
5366468 frost and winter injury (general) Douglas-fir tree showing evidence of winter injury.
5366829 Douglas-fir needlecast Rhabdocline pseudotsugae Close-up view of Douglas-fir needles showing symptoms of infection with Douglas-fir needlecast fungus (Rhabdocline pseudotsugae).
5366935 laminated root disease Phellinus weirii Evidence of laminated root disease (Phellinus weirii) in douglas-fir.
5366828 Douglas-fir needlecast Rhabdocline pseudotsugae Douglas-fir branch showing symptoms of the needlecast fungus Rhabdocline pseudotsugae.
2141071 Douglas-fir beetle Dendroctonus pseudotsugae
2141070 Douglas-fir beetle Dendroctonus pseudotsugae
0758235 Douglas-fir beetle Dendroctonus pseudotsugae Oblique color aerial photo of tree mortality
0758236 Douglas-fir beetle Dendroctonus pseudotsugae Oblique color aerial photo of a large infestation.
0758237 Douglas-fir beetle Dendroctonus pseudotsugae Oblique aerial photo of a large infestation.
0758238 Douglas-fir beetle Dendroctonus pseudotsugae Oblique aerial photo of tree mortality.
0758239 Douglas-fir beetle Dendroctonus pseudotsugae Trees killed by Douglas-fir beetle.
5135038 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of Douglas-fir beetle infestation, Wet Mountains, CO
5135039 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view, Wet Mountains, CO
5135040 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of infestation, Wet Mountains, CO
5135042 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of infestation, Wet Mountains, CO
5135043 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO
5135044 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO
5135045 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO, 2006
5135074 western spruce budworm Choristoneura freemani Aerial view of defoliation, North Platte River, CO, 2006
5135075 western spruce budworm Choristoneura freemani Aerial view of defoliation, North Platte River, CO, 2006
5135076 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO, 2006
5135077 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135078 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135079 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135080 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135081 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135082 Douglas-fir tussock moth Orgyia pseudotsugata Partial defoliation of Douglas-fir, North turkey Creek near Aspen Park, CO
5135083 Douglas-fir tussock moth Orgyia pseudotsugata Partial defoliation of Douglas-fir, North Turkey Creek near Aspen Park, CO
5135084 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
2112096 Phacidium fungus Phacidium coniferarum necrotic lesions on the bark of the Douglas fir stem
2112098 Phacidium fungus Phacidium coniferarum Douglas fir killed by Phacidium coniferarum
2113081 Douglas-fir needlecast Rhabdocline pseudotsugae symptoms of infested tree
2113082 Douglas-fir needlecast Rhabdocline pseudotsugae fruiting bodies on needles
2113083 Douglas-fir needlecast Rhabdocline pseudotsugae symptoms of infestation
2113084 Douglas-fir needlecast Rhabdocline pseudotsugae symptoms of infestation
2113085 Douglas-fir needlecast Rhabdocline pseudotsugae fruiting bodies on needles
2113086 Swiss needle cast Phaeocryptopus gaeumannii symptoms of infestation
2113087 Swiss needle cast Phaeocryptopus gaeumannii symptoms of infestation
2113088 Swiss needle cast Phaeocryptopus gaeumannii fruiting bodies on needles
2113089 Douglas-fir needlecast Rhabdocline pseudotsugae falling down needles infested by the fungus
2113090 frost and winter injury (general) damage to new shoots of Douglas fir seedling by the late spring frost
2113091 Phacidium fungus Phacidium coniferarum Douglas fir killed by Phacidium coniferarum
2111016 Douglas-fir needlecast Rhabdocline pseudotsugae fruiting bodies on needles
2111017 Swiss needle cast Phaeocryptopus gaeumannii fruiting bodies on needles
0758171 western spruce budworm Choristoneura freemani Defoliation
0758172 western spruce budworm Choristoneura freemani Defoliation
1467130 Douglas-fir dwarf mistletoe Arceuthobium douglasii basal cups
1467133 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1467178 bracket fungus Fomitopsis rosea
1467182 heart rot Laricifomes officinalis
1467186 red-belted fungus Fomitopsis pinicola
1467327 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1467373 Douglas-fir needlecast Rhabdocline pseudotsugae
1467374 Douglas-fir needlecast Rhabdocline pseudotsugae
1467375 Douglas-fir needlecast Rhabdocline pseudotsugae
1468261 pine needle scale Chionaspis pinifoliae
1329014 cooley spruce gall adelgid Adelges cooleyi Adult and nymphs. Vallombrosa, Italy 23 April 1991, both the host and the insect were introduced from N America.
1468263 cooley spruce gall adelgid Adelges cooleyi
1468388 western spruce budworm Choristoneura freemani adult with pupal case
1468390 spruce budworm Choristoneura fumiferana newly mined
1468391 spruce budworm Choristoneura fumiferana mined needle
1468230 Fusarium wilts, blights, rots and damping-off Fusarium spp.
1468106 spruce budworm Choristoneura fumiferana adult and pupal case
1468009 dwarf mistletoes Arceuthobium spp.
1399088 tussock moths Dasychira spp.
2122027 Douglas-fir beetle Dendroctonus pseudotsugae Shoshone NF, WY
2122028 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation near Aspen Park, CO
2122029 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case, near Aspen Park, CO
2122056 western spruce budworm Choristoneura freemani Aerial view of defoliation in upscale housing development, Bear Mountain, near Evergreen, CO
1248023 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality, San Juan NF, CO
1248027 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248028 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248029 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248030 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation in Douglas-fir near Aspen Park, CO
1271001 woodpeckers Sapsucker damage to bole/trunk in seed orchard. Dry cambium at site of severe feeding. Gifford Pinchot National Forest. Southern Washington Cascades.
1271002 woodpeckers Sapsucker damage to bole/trunk in seed orchard. Associated with Dioryctria boring frass and pitch. Gifford Pinchot National Forest. Southern Washington Cascades.
1271003 woodpeckers Sapsucker damage to bole/trunk in seed orchard. Associated with Dioryctria boring frass. Gifford Pinchot National Forest. Southern Washington Cascades.
1271004 woodpeckers Sapsucker damage to bole/trunk in seed orchard. Extensive feeding. Gifford Pinchot National Forest. Southern Washington Cascades.
1123018 Douglas-fir needle midge Contarinia pseudotsugae larva mining in center of needle; first record from Pennsylvania, 2002
1123019 cooley spruce gall adelgid Adelges cooleyi nymph on needle at budbreak, Spring 2002
1254006 Douglas-fir beetle Dendroctonus pseudotsugae
1254007 Douglas-fir beetle Dendroctonus pseudotsugae Fading Douglas-fir, Roosevelt, NF, CO
1254058 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1241563 cooley spruce gall adelgid Adelges cooleyi Alternate stage appear as tufts of cotton on needles and black "dots" of the crawler stage on new growth.
1241568 Swiss needle cast Phaeocryptopus gaeumannii Pseudothecia on underside of needles ranging from lightly infected (left) to heavily infected (right).
1241569 Swiss needle cast Phaeocryptopus gaeumannii Close-up of pseudothecia on underside of needle.
1241570 Swiss needle cast Phaeocryptopus gaeumannii Micrograph of needle cross section with pseudothecia emerging from stomata on underside.
1241571 Douglas-fir needle midge Contarinia pseudotsugae Needles infested with Douglas-fir needle midge have swellings or galls which are discolored yellow.
1241572 Douglas-fir needle midge Contarinia pseudotsugae Needles infested with Douglas-fir needle midge have swellings or galls which are discolored yellow or red.
1241489 Douglas-fir dwarf mistletoe Arceuthobium douglasii Witches brooms often indicate dwarf mistletoe infection. Brooms result from a proliferation of small twigs on a branch. Douglas-fir is a species which generally form large, distinct brooms in response to dwarf mistletoe infections. Infection tend to be most severe in the lower portions of the crowns.
1241491 Douglas-fir dwarf mistletoe Arceuthobium douglasii Witches brooms and dead tops are typical symptoms.
1241498 Douglas-fir dwarf mistletoe Arceuthobium douglasii Female
1241499 Douglas-fir dwarf mistletoe Arceuthobium douglasii Male
1137030 Douglas-fir dwarf mistletoe Arceuthobium douglasii The small dwarf mistletoe plants are barely visible. Siskiyou County, California
1123070 white pine weevil Pissodes strobi feeding damage to terminal
2714014 clearcut Block clearcut with a broadcast site preparation burn west of Vancouver
3948027 Douglas-fir beetle Dendroctonus pseudotsugae Woman processing log for construction of Buddhist temple. Logs at this site were Douglas-fir imported from the US and were infested with live beetles.
3948028 Douglas-fir beetle Dendroctonus pseudotsugae Examining Douglas-fir beetle logs imported from the US and infested with Douglas fir beetle.
4799012 shelterwood West of Medford
4799014 shelterwood H.J. Andrews Experimental Forest
4799015 shelterwood H.J. Andrews Experimental Forest
4799019 post planting protection Vexar tubing to protect seedling from browse damage and paper mulch placed around seedling to conserve moisture and control competition.
4799021 post planting protection Seedlings in Vexar tubes for browse protection, near Corvallis
4799022 post planting protection Seedlings in Vexar tubes for browse protection near Corvallis.
2714021 fire Broadcast burning in the
2714022 fire Broadcast burning
2714031 clearcut Block clearcut
2714035 shelterwood Green tree retention demonstration treatment 15% dispersed retention in Douglas-fir; Dog Prairie
2714036 shelterwood Green tree retention demonstration treatment 40% aggregated retention. Dog Prairie.
2714037 shelterwood Green tree retention demonstration treatment 15% aggregated retention. Dog Prairie.
2714038 shelterwood Between aggregates. Green tree retention demonstration treatment 40% aggregated retention. Dog Prairie.
2714039 shelterwood Between aggregates in Green tree retention demonstration treatment 40% aggregated retention. Dog Prairie.
2714040 shelterwood Edge of Green tree retention demonstration treatment 40% aggregated retention. Dog Prairie.
2714042 clearcut Landscape with clearcuts.
2714044 shelterwood Green tree retention demonstration treatments 40% aggregated retention on left,75% retention with patch cuts on right. Dog Prairie
2714001 fire site preparation broadcast burn west of Falls City
2714003 pruning (general) Pruning - 60% removal of live crown length in Douglas-fir near Mossy Rock, (Stand Management Coop./Langbell Road Installation)
2714004 pruning (general) Pruning - 60% removal of live crown length on Douglas-fir near Federation Forest, (Stand Management Coop./East Twin Installation)
2714005 pruning (general) Pruning - 40% removal of live crown length on Douglas-fir near Mossy Rock,(Stand Management Coop./Longbell Road Installation)
2714009 post planting protection Post planting protection using a paper leader protector near Wilmer
2714010 herbicides (general) Herbicide treatment on young Douglas-fir stand
2714011 shelterwood shelterwood cut in Douglas-fir stand near Wilmer
2714013 clearcut Block clearcut in Douglas-fir stand west of Falls City
4799010 seed tree Potlatch Corporation, near Orofino.
1137034 hail Wounds are on upper needle surface.
1442111 rat, vole, mouse 2-0 seedlings girdled by rodents during winter
1442112 Fusarium wilts, blights, rots and damping-off Fusarium spp. Fading foliage symptoms
1442056 fir broom rust Melampsorella caryophyllacearum
1442078 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1442080 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1442081 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1442082 Douglas-fir dwarf mistletoe Arceuthobium douglasii
1441103 spruce gall aphids Adelges spp. laid by overwintering female on needle
3948029 Douglas-fir beetle Dendroctonus pseudotsugae Logs imported from the US for construction of a buddhist temple and infested with Douglas-fir beetle.
4798080 genetic improvement Controlled pollination
0976071 Armillaria root rots Armillaria spp. fan at the base of an infected tree
4799057 dwarf mistletoes Arceuthobium spp. Anchor chain used to eliminate mistletoe infected residual Douglas-fir before replanting in British Columbia.

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