Subjects affecting eastern white pine (Pinus strobus)
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Image Subject Name Scientific Name Description
5492329 pine wilt nematode Bursaphelenchus xylophilus Posterior region of pine wood (pine wilt) nematode adult male
5492328 pine wilt nematode Bursaphelenchus xylophilus Posterior region of pine wood (pine wilt) nematode adult male
5492333 pine wilt nematode Bursaphelenchus xylophilus Anterior half of a pine wood (pine wilt) nematode
5492335 pine wilt nematode Bursaphelenchus xylophilus view of head region of an individual Bursaphelenchus nematode
5488303 Sarea fungus Sarea resinae Vertical section of apothecium showing immature asci, mature multi-spored asci, and yellow paraphyses. (secondary invader on resin)
5488300 Sarea fungus Sarea resinae Vertical section of apothecium. (secondary invader on resin).
5492334 pine wilt nematode Bursaphelenchus xylophilus Anterior region of a pine wood (pine wilt) nematode showing metacorpus
5492750 white pine weevil Pissodes strobi
5492751 white pine weevil Pissodes strobi
1593014 pruning (general)
5488301 Sarea fungus Sarea resinae Vertical section of apothecium showing immature asci, mature multi-spored asci, and yellow paraphyses. (secondary invader on resin)
5488304 Sarea fungus Sarea resinae Apothecia evident on cankered stem.
5488302 Sarea fungus Sarea resinae Vertical section of apothecium showing immature asci and yellow paraphyses. (secondary invader on resin)
5488299 Sarea fungus Sarea resinae Apothecium. (growing secondarily on resin exudate)
5488298 Sarea fungus Sarea resinae Apothecia. (growing secondarily on resin exudate)
5488297 Sarea fungus Sarea resinae Apothecium. (growing secondarily on resin exudate)
5443519 prescribed fire Fire char on Pinus strobus Sawdust accumulating at the tree base from unknown woodborer attack high in the tree
1593052 white pine blister rust Cronartium ribicola Branch flag
5483249 yellow-bellied sapsucker Sphyrapicus varius
5483248 yellow-bellied sapsucker Sphyrapicus varius
1593011 white pine weevil Pissodes strobi Older weevil attack that killed the existing terminal when the tree was at the height of damaged whorl.  The dead terminal was replaced by severl competing laterals that created a dense cluster of branches at the whorl. 
1593020 white pine weevil Pissodes strobi Boards freshly cut from a eastern white pine log.  The distorted wood grain and embedded knots illustrate damage caused by an older weevil attack that killed the existing terminal at that whorl. Logs originated on the Menominee Indian Reservation, logs were cut at the Forest Products Lab, Madison, WI.     
5454688 dieback Urban tree decline.
1593053 white pine weevil Pissodes strobi Classic early attack symptoms in the terminal of an infested eastern white pine. 
1593010 jack pine budworm Choristoneura pinus pinus Jack Pine budworm on understory white pine, Chippewa County, Michigan. 
1593012 white pine weevil Pissodes strobi Terminal and laterals beging to wilt (die) due to an active infestation of white pine weevil.  
1593049 pine bark adelgid Pineus strobi Main stem coated with cottony-like pine bark adelgids.
1546144 prescribed fire Using backpack pumps to control fire flare up around trees in a white pine orchard.
5468292 pine false webworm Acantholyda erythrocephala
5468293 pine false webworm Acantholyda erythrocephala
5458525 Caliciopsis canker Caliciopsis pinea The ascocarp of Caliciopsis pinea with a mass of ascospores ??(mazaedium) at the tip. A spermagonium is attached to the base of the ascocarp.
5458129 Caliciopsis canker Caliciopsis pinea Caliciopsis pinea spermagonia on a Pinus strobus branch
5458130 Caliciopsis canker Caliciopsis pinea Spermatia spores from spermagonia of Caliciosis pinea.
5458506 Caliciopsis canker Caliciopsis pinea Caliciopsis pinea ascus.
5458507 Caliciopsis canker Caliciopsis pinea Caliciopsis pinea ascospores
5443518 red turpentine beetle Dendroctonus valens Pitch tube at tree base
4449011 air pollutants
5443528 introduced pine sawfly Diprion similis
5443529 introduced pine sawfly Diprion similis
5443530 introduced pine sawfly Diprion similis
5443531 introduced pine sawfly Diprion similis
5443532 introduced pine sawfly Diprion similis
3035046 desication (wind burn) winter burn
0717031 pales weevil Hylobius pales
0717033 pales weevil Hylobius pales flagging
0717030 pales weevil Hylobius pales Close up of damage.
1398007 air pollutants
1371055 white pine blister rust Cronartium ribicola Cushions under the bark early in spring. Banská Štiavnica, Slovakia
1398221 pine bark adelgid Pineus strobi White coated bark on a pole-sized white pine. Waushara County, WI
1377024 annosum root disease Heterobasidion annosum Small conks ("popcorn conks")of Heterobasidion annosum in the duff at the base of an eastern white pine.
0010164 southern pine beetle Dendroctonus frontalis dead and thinning crowns
1199034 white pine weevil Pissodes strobi Emergence hole
1929034 chestnet brown bark beetle Pityogenes hopkinsi
1199030 pine bark adelgid Pineus strobi
1199029 pine bark adelgid Pineus strobi Pine bark adelgid infestation on the bark of an eastern white pine
4213030 white pine blister rust Cronartium ribicola flagged branch
1457022 white pine blister rust Cronartium ribicola Aecial spore stage of white pine blister rust on main stem of a young tree.
1399074 white pine weevil Pissodes strobi
1399021 Leptographium root disease Leptographium procerum diffuse canker behind resinosis at root collar
1399019 Leptographium root disease Leptographium procerum wilt symptoms and resinosis
1400016 frost and winter injury (general) Winter injury to foliage and terminal bud of white pine on Superior National Forest, northern Minnesota. Photo taken in July, note lateral bud break.
1192038 black turpentine beetle Dendroctonus terebrans pitch tubes
1377022 annosum root disease Heterobasidion annosum A large sporocarp on a small (8 cm caliper) white pine.
1398224 pine bark adelgid Pineus strobi Whitewashed appearance on a heavily infested stem. Waushara County, Wisconsin
1398230 white pine weevil Pissodes strobi Board showing internal damage due to an old white pine weevil attack, large knots and twisted wood grain.
1398223 pine bark adelgid Pineus strobi White cottony masses on the bark
1399020 Leptographium root disease Leptographium procerum resinosis
4544088 white pine blister rust Cronartium ribicola
1301048 white pine blister rust Cronartium ribicola Aecial spore stage of white pine blister rust on main stem of a sapling.
1377025 annosum root disease Heterobasidion annosum Conks of Heterobasidion annosum are variable. These are very small conks in the duff at the base of an eastern white pine.
1398233 white pine weevil Pissodes strobi twisted, old white pine
1398139 white pine cone borer Eucosma tocullionana Frass extruding from infested cone. Early August at Oconto River seed orchard, Nicolet National Forest in northern Wisconsin
1396153 red heart of pine Phellinus pini
4213031 white pine blister rust Cronartium ribicola young canker
4213032 white pine blister rust Cronartium ribicola close-up view of canker margin
4213033 white pine blister rust Cronartium ribicola canker showing typical discoloration on young stem
3040051 pine bark adelgid Pineus strobi
2121094 introduced pine sawfly Diprion similis Photo taken in Sept, 2005, Ramsey Co., MN
1457021 white pine blister rust Cronartium ribicola Main stem canker girdling the main stem of a young tree.
4449021 pine bark adelgid Pineus strobi
2121093 introduced pine sawfly Diprion similis In a defensive posture. Photo taken in Sept. 2005 in Ramsey Co., MN.
1457020 white pine blister rust Cronartium ribicola Fading eastern white pine with a main stem rust canker at the tree base.
4213035 white pine blister rust Cronartium ribicola canker with aecia and pitch
1301049 white pine blister rust Cronartium ribicola Dead top in eastern white pine caused by white pine blister rust.
4544091 needlecast Meloderma desmazieri
1399018 Leptographium root disease Leptographium procerum resinosis
1748016 giant silkworms and royal moths
1398228 white pine weevil Pissodes strobi Evidence of an old weevil attack on a 20-25 yr old white pine in Wisconsin.
2139071 pinyon blister rust Cronartium occidentale
1199019 white pine cone borer Eucosma tocullionana
4213034 white pine blister rust Cronartium ribicola canker chewed by animals
1929035 chestnet brown bark beetle Pityogenes hopkinsi
1406267 white pine blister rust Cronartium ribicola
1406266 white pine blister rust Cronartium ribicola
1199035 white pine weevil Pissodes strobi
4544089 white pine blister rust Cronartium ribicola
4213037 white pine blister rust Cronartium ribicola tree with canker and flagged branch
1388027 pine spittlebug Aphrophora cribrata Spittle
5302004 white pine blister rust Cronartium ribicola Inoculating white pine with Cronartium ribicola in the lab
5302005 white pine blister rust Cronartium ribicola Inoculating white pine with Cronartium ribicola in the lab
5302009 white pine blister rust Cronartium ribicola Symptomatic white pine seedlings being screened for blister rust resistance
5302008 white pine blister rust Cronartium ribicola Greenhouse trials for white pine blister rust screening
5061050 white pine blister rust Cronartium ribicola A "pruned" white pine, probably used as a demonstration for techniques on how to prune for control of white pine blister rust.
5037036 cold injury (low temperature) White pine terminal buds killed by extreme cold, resulting in codominant leaders.
5061087 white pine blister rust Cronartium ribicola White pine top kill
5061089 white pine blister rust Cronartium ribicola Small "flagged branches"
5061090 white pine blister rust Cronartium ribicola An infected branch flag in a large white pine
5061091 white pine blister rust Cronartium ribicola Small branch infection
5061092 white pine blister rust Cronartium ribicola Small branch infection
5061093 white pine blister rust Cronartium ribicola Several small branch infections on a single tree
5061094 white pine blister rust Cronartium ribicola Small branch infection
5062005 tornado Broken boles of eastern white pine caused by high winds.
5062029 frost and winter injury (general) Winter injury in white pine
1123069 white pine weevil Pissodes strobi Feeding punctures and sap droplets associated with spring feeding and egg deposition.
5124030 scale Matsucoccus macrocicatrices in fungus on bark
5124031 scale Matsucoccus macrocicatrices in fungus on bark
5061060 white pine blister rust Cronartium ribicola Early symptoms of white pine blister rust on the main bole of a sapling.
1398114 white pine cone beetle Conophthorus coniperda Dead cones hanging on tree
1398115 white pine cone beetle Conophthorus coniperda Infested cones of various size. Oconto River Seed Orchard, Nicolet National Forest, Wisconsin
5395256 pine leaf adelgid Pineus pinifoliae
5395249 Diplodia tip blights Diplodia spp.
1199036 white pine weevil Pissodes strobi Stem deformity caused by an earlier attack
2634081 white pine blister rust Cronartium ribicola close-up view of canker margin
1398112 white pine cone borer Eucosma tocullionana Attacked mature cones, early August. Oconto River Seed orchard, Nicolet National Forest, WI
1274059 pine bark adelgid Pineus strobi
4213040 white pine blister rust Cronartium ribicola tree with dead top
3040060 drought
0717034 pales weevil Hylobius pales Ideal situation for problems. Note the pine stump in the foreground which is a breeding site for immature weevils. In the background are trees which act as a food source for adults.
1457018 white pine blister rust Cronartium ribicola Branch flag (infected branch that has died) high in the crown of a large eastern white pine. Rust infections in the upper crowns of trees generally indicate a high local risk for infection.
1200008 clearcut View across 130 acre clearcut. Cut follows topography with stand planted to white pine. March 1973
0010159 southern pine beetle Dendroctonus frontalis pitch out
0717038 white pine weevil Pissodes strobi This insect feeds on the tops of White Pines and Norway Spruce. Feeding by larvae causes the leader and the top whorl to die.
5388236 Eriophyid mite Eriophyid mites infect eastern white pine. 
5388235 Eriophyid mite Eriophyid mites are on this eastern white pine. 
5045021 lightning A very large split in a white pine bole, caused by lightning.
5038091 annosum root disease Heterobasidion annosum Sporocarps of Heterobasidion annosum on white pine
5056088 white pine blister rust Cronartium ribicola White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard
5056089 white pine blister rust Cronartium ribicola White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard
5056090 white pine blister rust Cronartium ribicola White pine blister rust inoculation trials at U.S. Forest Service Oconto River Seed Orchard
5252017 shelterwood Dead white pine and aspen retained in a shelterwood regeneration cut.
5252018 shelterwood Live and dead white pine retained in a shelterwood regeneration cut.
5053001 grade change White pine in parking lot where fill was added to raise grade.
5053004 mechanical Trees affected by parking lot construction
5042098 white pine blister rust Cronartium ribicola Aecial sacs of Cronartium ribicola on eastern white pine.
5038005 deadwood and snags Dead eastern white pine with split top.
5048054 white pine blister rust Cronartium ribicola Overzealous pruning for white pine blister rust control.  Person in image: Mike Ostry
5043083 pruning (general) Pruning white pine with a bucket truck to abate hazard.
5050006 cold injury (low temperature) White pine terminal bud killed by cold temperature.
1523049 white pine weevil Pissodes strobi mating
1523050 white pine weevil Pissodes strobi mating
5034083 decay Large, dead, decayed white pine. Martin MacKenzie provides scale.
5389813 Leptographium root disease Leptographium procerum Resin flow on trunk
5389814 Leptographium root disease Leptographium procerum Characteristic wedge-shaped discoloration in cross-section of trunk
5335019 stem girdling roots
5032061 white pine blister rust Cronartium ribicola A white pine blister rust canker on a young white pine.
5032066 white pine blister rust Cronartium ribicola Top kill in white pine caused by white pine blister rust.
5335011 growth regulator
5335012 growth regulator
5335018 root problems potential root stress from retaining wall
5335021 ozone
5335027 Leptographium root disease Leptographium procerum pales weevil chambers and black discoloration characteristic of L. procerum
5338029 Leptographium root disease Leptographium procerum microscopic view of Leptographium conidiphore and conidia
5338030 Leptographium root disease Leptographium procerum microscopic view of conidiophores and conidia
5370024 Caliciopsis canker Caliciopsis pinea Caliciopsis pinea and Matsucoccus scale
5370026 Caliciopsis canker Caliciopsis pinea Ascocarp and spermagonium at base
5370027 Caliciopsis canker Caliciopsis pinea Caliciopsis pinea associated with Matsucoccus scale under the bark surface
5368531 yellow-bellied sapsucker Sphyrapicus varius Holes in bark and wood neatly arranged in rows and columns.
5368532 yellow-bellied sapsucker Sphyrapicus varius Holes in bark and wood neatly arranged in rows and columns.
5045022 lightning A lightning strike cleaved this 80' white pine from the top to the ground.
5042082 stubs Badly pruned white pine
1398222 white pine weevil Pissodes strobi
1238007 decay Heartwood rot (Ram's horn)
1501091 white pine blister rust Cronartium ribicola White pine blister rust
1504023 needlecast Stigmina deflectens Needle cast; white pine; Edwards Nursery
1504024 needlecast Stigmina deflectens Needle cast; white pine; Edwards Nursery
1504025 needlecast Stigmina deflectens Needle cast; white pine; Edwards Nursery
5202064 introduced pine sawfly Diprion similis
5202065 introduced pine sawfly Diprion similis
5202066 introduced pine sawfly Diprion similis
5202067 introduced pine sawfly Diprion similis
1626004 white pine aphid Cinara strobi The white pine aphid feeds on the bark of twigs and branches. Heavy aphid infestations can seriously weaken small trees.
5029078 annosum root disease Heterobasidion annosum Conks at the base of a white pine.
5027078 annosum root disease Heterobasidion annosum
5027079 annosum root disease Heterobasidion annosum
5027080 annosum root disease Heterobasidion annosum A large sporocarp on a small white pine.
5027081 annosum root disease Heterobasidion annosum A large sporocarp on a small white pine.
5027082 annosum root disease Heterobasidion annosum A small pocket of mortality caused by annosum root rot.
5028087 construction Construction activities can cause severe injury to the root systems of trees.
5028088 grade change The grade was raised around these white pine trees (Pinus strobus). The trees suffered some dieback, but did not die.
5028089 grade change Grade was raised next to this white pine to elevate the road. The tree survived the change in grade.
1400020 risk tree White pine with defect over picnic area.
1409012 Compartmentalization Of Decay In Trees (CODIT) Hollows are found in trees that have heartwood
1409030 Compartmentalization Of Decay In Trees (CODIT) Though strong in one sense, the barrier zone is structurally weak and may pull apart, as it did in this white pine.
1458062 root problems strangulated root collar of eastern white pine
1458063 root problems strangulated root collar of eastern white pine
1397071 included bark Codominant stems in eastern white pine. These stems are very prone to failure from pressure exerted by included bark.
2167048 whitespotted sawyer Monochamus scutellatus
2167049 whitespotted sawyer Monochamus scutellatus
3036039 air pollutants Flouride injury on white pine
3036088 air pollutants Flouride injury on white pine
3036089 ozone injury on white pine
3036091 ozone injury on white pine
4214063 air pollutants effects on white pine
4214064 air pollutants effects on white pine; close-up
4214034 white-tailed deer Odocoileus virginianus browse
4214035 white-tailed deer Odocoileus virginianus heavy browse
5026070 Eriophyid mite Chlorotic mottle caused by feeding damage from a high population of eriophyoid mites. Mite resurgence followed an application of chlorpyrifos to control a caterpillar borer, possibly Zimmerman Pine Moth.
5058094 frost and winter injury (general)
5016006 frost and winter injury (general)
2110081 white pine blister rust Cronartium ribicola canker on the stem base caused by Cronartium ribicola
2110082 white pine blister rust Cronartium ribicola aecia on the bark of eastern white pine
2110083 needlecast Meloderma desmazieri a died twig of eastern white pine; August 1999
2110084 needlecast Meloderma desmazieri damage to eastern white pine; August 2001
2110086 white pine blister rust Cronartium ribicola blackcurrant leaves with telia on the underside
2111014 needlecast Meloderma desmazieri damage to eastern white pine; August 2001
2111015 needlecast Meloderma desmazieri fruiting bodies on needles; September 1999
4544092 needlecast Meloderma desmazieri
1470007 white pine weevil Pissodes strobi
1470017 white-tailed deer Odocoileus virginianus Steve Katovich
1457019 white pine blister rust Cronartium ribicola Aecial spore stage of white pine blister rust on main stem of a small tree.
1457039 fire Prescribed fire in a white pine seed orchard. Oconto River Seed Orchard, Nicolet National Forest, Wisconsin.
1238005 galls Galling on Dead Eastern White Pine.
1406156 woodpeckers dead tree
1400007 wind 1998 Wind storm damage to white pine, Amana Colonies area, Iowa. Photo taken in 8/99.
1394090 white pine weevil Pissodes strobi Black River Falls
1388001 white pine blister rust Cronartium ribicola Pathological pruning. Northern Minnesota
1199033 white pine weevil Pissodes strobi Board showing old weevil damage
1371056 white pine blister rust Cronartium ribicola Cushions under the bark early in spring. Banská Štiavnica, Slovakia
1371057 white pine blister rust Cronartium ribicola Tree dieback and resin flow from the bark. Banská Štiavnica, Slovakia
1371058 white pine blister rust Cronartium ribicola Cushions under the bark and canker. Banská Štiavnica, Slovakia
4799013 shelterwood 70% cover maintained to hold back hardwood competition.
0488081 white pine cone beetle Conophthorus coniperda Fire backing away from tree bases in a white pine seed orchard to control adults overwintering in fallen cones at Beech Creek Seed Orchard, March 1, 1988.
0488072 white pine cone beetle Conophthorus coniperda Fire backing down slope in a white pine seed orchard to control adults overwintering in fallen cones at Beech Creek Seed Orchard, March 1, 1988.
1404069 white pine cone beetle Conophthorus coniperda Fire backing down slope in a white pine seed orchard to control adults overwintering in fallen cones. Beech Creek Seed Orchard, Murphy, North Carolina. March 1, 1988
4214039 American beaver Castor canadensis felled tree
4212054 Zimmerman pine moth Dioryctria zimmermani to stem
4213036 white pine blister rust Cronartium ribicola aecia
4213038 white pine blister rust Cronartium ribicola larger tree with stem canker showing characteristic pitch
4213039 white pine blister rust Cronartium ribicola upper half of tree is dead
0886033 Road salt or de-icing salt to Eastern White Pine

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