| 5432981 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5432982 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5432983 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5432984 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5432985 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5432986 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5432987 |
southern pine beetle |
Dendroctonus frontalis |
killed loblolly pines |
| 5432988 |
southern pine beetle |
Dendroctonus frontalis |
killed pines on ground |
| 5432989 |
southern pine beetle |
Dendroctonus frontalis |
killed pines on ground |
| 5432990 |
southern pine beetle |
Dendroctonus frontalis |
killed pines on ground |
| 1593087 |
eastern larch beetle |
Dendroctonus simplex |
Tamarack infested with eastern larch beetle, bark removal in late winter due to woodpecker probing. |
| 5490303 |
Ips engraver beetles |
Ips spp. |
Tops of ponderosa pine killed by ips beetles |
| 5490304 |
Ips engraver beetles |
Ips spp. |
Tops of ponderosa pine killed by ips beetles |
| 5490305 |
Ips engraver beetles |
Ips spp. |
Tops of ponderosa pine killed by ips beetles |
| 5490369 |
mountain pine beetle |
Dendroctonus ponderosae |
Blue stain associated with mountain pine beetle |
| 5490370 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch out of adult beetle |
| 5490379 |
mountain pine beetle |
Dendroctonus ponderosae |
Transition area where lodgepole pine and ponderosa pine intersect and are both attacked by mountain pine beetle. |
| 2103064 |
six-spined engraver beetle |
Ips sexdentatus |
Exit hole in bark, on burnt out area of Austrian pine in Slovene Karst region, Sežana, Slovenia, April 2003. |
| 2112006 |
great spruce bark beetle |
Dendroctonus micans |
entrance holes at base of tree; 1994 |
| 5289050 |
southern pine beetle |
Dendroctonus frontalis |
emergence holes |
| 2111050 |
European spruce bark beetle |
Ips typographus |
entrance holes; June 1999 |
| 1306024 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 2111057 |
European spruce bark beetle |
Ips typographus |
maturation feeding in a separate place |
| 5378402 |
larger pine shoot beetle |
Tomicus piniperda |
exit holes |
| 2112022 |
small spruce bark beetle |
Polygraphus poligraphus |
emergence holes; August 1994 |
| 5378374 |
engraver beetle |
Ips acuminatus |
Gallery exit holes. |
| 4544080 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 1593079 |
pine engraver |
Ips pini |
boring dust |
| 1593015 |
Ips engraver beetles |
Ips spp. |
Pockets of Ips beetle attacks in a small 30-year-old red pine plantation, Eau Claire Co., WI. Photo taken during an intense summer drought in July 1998. |
| 1593035 |
pine engraver |
Ips pini |
Pine engraver mortality showing up as a pocket of recently killed red pine trees. |
| 1593045 |
red turpentine beetle |
Dendroctonus valens |
Turpentine beetle attack on a fire damaged stem of red pine. |
| 5466861 |
spruce beetle |
Dendroctonus rufipennis |
|
| 5466860 |
spruce beetle |
Dendroctonus rufipennis |
|
| 5471168 |
bark beetles |
|
|
| 5471162 |
southern pine beetle |
Dendroctonus frontalis |
infestation in east texas |
| 5471161 |
bark beetles |
|
|
| 5471164 |
southern pine beetle |
Dendroctonus frontalis |
Air photo of Four Notch showing large southern pine beetle spot and clearcut areas |
| 1546228 |
southern pine beetle |
Dendroctonus frontalis |
In spot adjacent to and caused by infected material on loading deck |
| 5466857 |
spruce beetle |
Dendroctonus rufipennis |
|
| 5461636 |
European spruce bark beetle |
Ips typographus |
exit holes |
| 5461637 |
European spruce bark beetle |
Ips typographus |
|
| 5461635 |
European spruce bark beetle |
Ips typographus |
|
| 5461634 |
European spruce bark beetle |
Ips typographus |
|
| 1399091 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1247225 |
southern pine beetle |
Dendroctonus frontalis |
Wormsloe plantation, Chatham County, GA 1974 |
| 1247002 |
southern pine beetle |
Dendroctonus frontalis |
Spot treated with verbenone for control. Monroe County, GA. 1979. |
| 2733005 |
southern pine beetle |
Dendroctonus frontalis |
boring dust |
| 1312012 |
fir engraver |
Scolytus ventralis |
Pitch streamers from fir engraver beetle. Tree was felled after being attacked. |
| 1468085 |
fir engraver |
Scolytus ventralis |
|
| 1207026 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Distant view of red trees killed by beetle, upper Meacham Creek from Big Saddle, Walla Walla Ranger District, October 1977 |
| 1247003 |
southern pine beetle |
Dendroctonus frontalis |
Spot treated with Verbenone for control. Monroe County, GA. 1979. |
| 2089086 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes at base of tree; sign of attack |
| 5443180 |
spruce beetle |
Dendroctonus rufipennis |
Tree mortality along White River in Rio Blanco County. This area was near the epicenter of the massive outbreak of this insect in the late 1940s. Photograph taken July 27, 2011. |
| 5443181 |
spruce beetle |
Dendroctonus rufipennis |
Tree mortality along White River in Rio Blanco County. This area was near the epicenter of the massive outbreak of this insect in the late 1940s. Photograph taken July 27, 2011 |
| 5443183 |
spruce beetle |
Dendroctonus rufipennis |
Tree mortality along White River in Rio Blanco County. This area was near the epicenter of the massive outbreak of this insect in the late 1940s. Photograph taken July 27, 2011 |
| 2108023 |
southern pine beetle |
Dendroctonus frontalis |
Dense stand killed by southern pine beetle. Jano, Olancho Region, Honduras |
| 2721076 |
southern pine beetle |
Dendroctonus frontalis |
Upland Island Wilderness Angelina, Texas, Three years after southern pine beetle outbreak |
| 1171032 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Mortality |
| 1540967 |
sixspined ips |
Ips calligraphus |
|
| 1541016 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 2101085 |
European spruce bark beetle |
Ips typographus |
saw dust on the bark |
| 1441141 |
mountain pine beetle |
Dendroctonus ponderosae |
West toward Bear Mountain, Colorado; Feb. 1992 |
| 1258058 |
great spruce bark beetle |
Dendroctonus micans |
Larval feeding under bark |
| 2252072 |
mountain pine beetle |
Dendroctonus ponderosae |
aerial view |
| 5426022 |
bark beetle |
Orthotomicus proximus |
|
| 1929031 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tube |
| 0284044 |
Ips engraver beetles |
Ips spp. |
pines killed in urban setting |
| 1879048 |
Ips engraver beetles |
Ips spp. |
Nuptial chamber and galleries |
| 1929027 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes |
| 1247146 |
southern pine beetle |
Dendroctonus frontalis |
Stewart County, GA. 1996. |
| 1247102 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1247178 |
southern pine beetle |
Dendroctonus frontalis |
Wormsloe plantation, Chatham County, GA. 1974 |
| 1247181 |
southern pine beetle |
Dendroctonus frontalis |
Bluestain in beetle-killed log |
| 1247112 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1247145 |
southern pine beetle |
Dendroctonus frontalis |
Monroe County, GA 1979 |
| 0013088 |
southern pine beetle |
Dendroctonus frontalis |
Large, expanding SPB infestation, 1993; Upland Island Wilderness Area |
| 4212079 |
bark beetles |
|
pocket of red topped trees in young stand |
| 2721032 |
Ips engraver beetles |
Ips spp. |
Pitch tube |
| 2721037 |
sixspined ips |
Ips calligraphus |
exit hole and frass |
| 2254026 |
red turpentine beetle |
Dendroctonus valens |
pitch tubes |
| 2254014 |
western pine beetle |
Dendroctonus brevicomis |
bark sloughing off of trees |
| 2254015 |
western pine beetle |
Dendroctonus brevicomis |
pitch tubes |
| 2253080 |
spruce beetle |
Dendroctonus rufipennis |
red top trees on mountain side |
| 2253078 |
western pine beetle |
Dendroctonus brevicomis |
old damage causing bark to fall off tree |
| 2253074 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
clearcut at damaged site |
| 2252092 |
spruce beetle |
Dendroctonus rufipennis |
bark pitch tubes and boring dust |
| 2252084 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
elevated, panoramic view showing red top trees in stand |
| 2252085 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
showing needles fading in stand of damaged trees on mountainside |
| 2252079 |
mountain pine beetle |
Dendroctonus ponderosae |
boring dust on lodge pole pine |
| 2252075 |
mountain pine beetle |
Dendroctonus ponderosae |
panaromic view |
| 2105004 |
great spruce bark beetle |
Dendroctonus micans |
Pitch tube, Ormož, Slovenia 2001 |
| 1190028 |
European spruce bark beetle |
Ips typographus |
blue stain fungi (Ophiostoma sp.) in the sapwood |
| 1150008 |
southern pine beetle |
Dendroctonus frontalis |
green needle drop caused by southern pine beetle attack |
| 0976078 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
mortality at Spring Creek area, Walla Walla Ranger District |
| 0805098 |
larger pine shoot beetle |
Tomicus piniperda |
adult damage, fresh gren flag - extreme close-up |
| 0805094 |
larger pine shoot beetle |
Tomicus piniperda |
adult damage, green flag from about 4 ft. |
| 0805095 |
larger pine shoot beetle |
Tomicus piniperda |
adult damage, several green flags from about 8 ft. |
| 0805096 |
larger pine shoot beetle |
Tomicus piniperda |
adult damage, fresh green flag from about 4 ft. |
| 0805097 |
larger pine shoot beetle |
Tomicus piniperda |
adult damage, fresh green flag close-up |
| 0805093 |
larger pine shoot beetle |
Tomicus piniperda |
adult feeding damage, browned flag from 4 ft. |
| 0745096 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes on slash pine |
| 0745097 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes |
| 0745081 |
southern pine beetle |
Dendroctonus frontalis |
pitch flow |
| 0745079 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes & pitchout on loblolly pine - close up |
| 0745080 |
southern pine beetle |
Dendroctonus frontalis |
in slash stand |
| 0745063 |
bark beetles |
|
Ips and Southern Pine beetles pitch tubes, including red top trees shot from ground up trunk |
| 0745003 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes |
| 0284046 |
sixspined ips |
Ips calligraphus |
|
| 0013092 |
bark beetles |
|
Expanding SPB infestation in young pine plantation. High priority for ground checking. |
| 0013095 |
southern pine beetle |
Dendroctonus frontalis |
Aerial view of large, uncontrolled, expanding infestation of southern pine beetle, August, 1993. |
| 0013097 |
southern pine beetle |
Dendroctonus frontalis |
attacked pines and adjacent uninfested trees felled to halt advancing SPB outbreak, 1982.; Yoro Region, Honduras |
| 0013090 |
southern pine beetle |
Dendroctonus frontalis |
Small southern pine beetle infestation showing very little recent activity. Low priority for detection or ground check. |
| 0013091 |
southern pine beetle |
Dendroctonus frontalis |
Large, expanding SPB infestation; high priority for ground check. Many trees with fading crowns; advancing in multiple directions. |
| 0010166 |
Ips engraver beetles |
Ips spp. |
typical damage with dead red top tree and fading neighboring trees; taken off during the Southern Forest Insect Work Conference in August 2001 |
| 0010162 |
southern pine beetle |
Dendroctonus frontalis |
salvage clearcut |
| 0010111 |
Ips engraver beetles |
Ips spp. |
and drought damage, |
| 0010113 |
southern pine beetle |
Dendroctonus frontalis |
Salvage operation on active spot |
| 0010114 |
southern pine beetle |
Dendroctonus frontalis |
Multiple spots converge. |
| 1312016 |
red turpentine beetle |
Dendroctonus valens |
Shanxi Province, China, 2001 |
| 1269014 |
engraver beetle |
Ips acuminatus |
Infested stand. Switzerland |
| 1259169 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1259168 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1259166 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1259075 |
European spruce bark beetle |
Ips typographus |
|
| 1259076 |
European spruce bark beetle |
Ips typographus |
|
| 1259077 |
European spruce bark beetle |
Ips typographus |
|
| 1259060 |
European spruce bark beetle |
Ips typographus |
|
| 1259074 |
European spruce bark beetle |
Ips typographus |
|
| 1258216 |
great spruce bark beetle |
Dendroctonus micans |
Under bark and root collar |
| 1258165 |
large larch bark beetle |
Ips cembrae |
Adult exit holes in bark |
| 1258126 |
larger pine shoot beetle |
Tomicus piniperda |
Boring dust |
| 1398168 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch tubes. Medicine Bow Mountains, southeast Wyoming |
| 1929033 |
bark beetles |
|
bark beetle emergence hole and sawyer beetle oviposition niche |
| 0013089 |
southern pine beetle |
Dendroctonus frontalis |
Typical of inactive SPB infestation (lacks trees with fading crowns). Low priority for detection or ground check. |
| 1231192 |
eastern juniper bark beetle |
Phloeosinus bicolor |
|
| 1231203 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 1300028 |
larger pine shoot beetle |
Tomicus piniperda |
exit holes of newly emerging adult pine shoot beetle |
| 4064020 |
Ips engraver beetles |
Ips spp. |
larvae |
| 1396116 |
red turpentine beetle |
Dendroctonus valens |
|
| 1306046 |
pine engraver |
Ips pini |
in British Columbia |
| 1306018 |
spruce beetle |
Dendroctonus rufipennis |
tree mortality in southern British Columbia |
| 1306017 |
spruce beetle |
Dendroctonus rufipennis |
spot infestation in southern British Columbia |
| 1306045 |
pine engraver |
Ips pini |
in British Columbia |
| 1306007 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1306008 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1306002 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tube |
| 1306006 |
mountain pine beetle |
Dendroctonus ponderosae |
mass attack with pheromone bait |
| 1300017 |
larger pine shoot beetle |
Tomicus piniperda |
Flagging and dying pine terminal infested by adult pine shoot beetle |
| 1231201 |
lesser pine shoot beetle |
Tomicus minor |
|
| 1231205 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 0805001 |
spruce beetle |
Dendroctonus rufipennis |
|
| 0805002 |
spruce beetle |
Dendroctonus rufipennis |
infested white spruce attacked by beetles from infested log stack |
| 0805003 |
spruce beetle |
Dendroctonus rufipennis |
infested Sitka spruce; early 1980's |
| 1437152 |
bark and ambrosia beetles |
Dendroctonus spp. |
aerial view of forest damaged by pine beetle outbreak |
| 1269051 |
lesser pine shoot beetle |
Tomicus minor |
Switzerland |
| 1121007 |
European spruce bark beetle |
Ips typographus |
pitch tube |
| 1748065 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes-closeup |
| 0284045 |
bark beetles |
|
showing Virginia pine christmas trees turning red due to damage |
| 1150011 |
southern pine beetle |
Dendroctonus frontalis |
pitch tube |
| 0805080 |
spruce beetle |
Dendroctonus rufipennis |
|
| 3227024 |
mountain pine beetle |
Dendroctonus ponderosae |
Panoramic view - Yellowstone |
| 1247119 |
small southern pine engraver |
Ips avulsus |
Colquitt County, GA. 1988 |
| 1543102 |
southern pine beetle |
Dendroctonus frontalis |
|
| 2101065 |
engraver beetle |
Ips acuminatus |
dead trees |
| 2101068 |
engraver beetle |
Ips acuminatus |
blue stain fungi (Ophiostoma spp.) in the sapwood |
| 0010164 |
southern pine beetle |
Dendroctonus frontalis |
dead and thinning crowns |
| 0010110 |
Ips engraver beetles |
Ips spp. |
and drought damage |
| 2253059 |
mountain pine beetle |
Dendroctonus ponderosae |
aerial view |
| 4178042 |
southern pine beetle |
Dendroctonus frontalis |
aerial view of 5 yr. old loblolly plantation with cut buffer strip |
| 1201027 |
pine engraver |
Ips pini |
on logged area, 7/17/1955 RLF |
| 1441006 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tubes |
| 1441030 |
bark beetle |
Pityophthorus aquilus |
tip damaged at Missionary Ridge |
| 1171004 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Scattered mortality |
| 2134024 |
larger pine shoot beetle |
Tomicus piniperda |
Pinus trunk with entry holes with resin duct of parents and exit holes of new generation |
| 1929034 |
chestnet brown bark beetle |
Pityogenes hopkinsi |
|
| 1269005 |
small fir bark beetle |
Cryphalus piceae |
|
| 0013085 |
southern pine beetle |
Dendroctonus frontalis |
Expanding infestation of southern pine beetle |
| 5432991 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5288049 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288050 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288053 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288054 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288055 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288057 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5432898 |
small southern pine engraver |
Ips avulsus |
|
| 5432887 |
small southern pine engraver |
Ips avulsus |
|
| 5432888 |
small southern pine engraver |
Ips avulsus |
|
| 5432889 |
small southern pine engraver |
Ips avulsus |
|
| 5432890 |
small southern pine engraver |
Ips avulsus |
killed loblolly plantation |
| 5432891 |
small southern pine engraver |
Ips avulsus |
|
| 5432892 |
small southern pine engraver |
Ips avulsus |
|
| 5432893 |
small southern pine engraver |
Ips avulsus |
|
| 5432894 |
small southern pine engraver |
Ips avulsus |
|
| 5432895 |
small southern pine engraver |
Ips avulsus |
killed trees |
| 5432896 |
small southern pine engraver |
Ips avulsus |
|
| 5432884 |
small southern pine engraver |
Ips avulsus |
|
| 5432885 |
small southern pine engraver |
Ips avulsus |
|
| 5432886 |
small southern pine engraver |
Ips avulsus |
in young pine plantation |
| 1306030 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1306028 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1306026 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 2101079 |
six-spined engraver beetle |
Ips sexdentatus |
dead trees near harvested logs |
| 2253073 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tubes |
| 3225010 |
southern pine beetle |
Dendroctonus frontalis |
pitch tube, close-up |
| 3225001 |
small southern pine engraver |
Ips avulsus |
Top kill |
| 1312006 |
red turpentine beetle |
Dendroctonus valens |
Pitch tubes on fire-scorched ponderosa pine. |
| 1113021 |
fir bark beetle |
Pityophthorus pityographus |
Kakanj, Central Bosnia, July 2004. |
| 4798004 |
small southern pine engraver |
Ips avulsus |
showing pitch tubes |
| 4212078 |
bark beetles |
|
|
| 0014164 |
mountain pine beetle |
Dendroctonus ponderosae |
at Ebell Creek; August 1964 |
| 4544081 |
shoot beetles |
Tomicus spp. |
|
| 1121005 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
young tree with pitch tubes |
| 1192038 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes |
| 1190011 |
great spruce bark beetle |
Dendroctonus micans |
lump of resin on root collar |
| 1470165 |
pine engraver |
Ips pini |
|
| 0284048 |
small southern pine engraver |
Ips avulsus |
single tree showing top kill and green lower branches, typical of infestation |
| 2105026 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
Resin flow, nursery Rimš, Slovenia, June 2002 |
| 1207043 |
mountain pine beetle |
Dendroctonus ponderosae |
Close-up of pine bole showing copious attack of beetle, Kelly Prairie, Heppner Ranger District, March 1977 |
| 4798003 |
small southern pine engraver |
Ips avulsus |
|
| 1207048 |
mountain pine beetle |
Dendroctonus ponderosae |
Close-up of bark showing exit holes and some pitch tubes with frass |
| 1207049 |
mountain pine beetle |
Dendroctonus ponderosae |
Distant view showing pine stand killed by beetle, near Oregon State Highway 244 east of Ukiah |
| 1207054 |
mountain pine beetle |
Dendroctonus ponderosae |
Granite Creek area showing pine killed by beetle, Baker Ranger District |
| 2133079 |
six-spined engraver beetle |
Ips sexdentatus |
trunk with galleries, central way of gallery is slightly engraved in sapwood; scale: large quadrate 1 x 1 cm, small one 1 x 1 mm |
| 1398167 |
pine engraver |
Ips pini |
Pocket of recently killed older red pine. Superior National Forest, MN |
| 1241468 |
pinyon ips |
Ips confusus |
|
| 1269053 |
lesser pine shoot beetle |
Tomicus minor |
Infested tree. Switzerland |
| 1312014 |
fir engraver |
Scolytus ventralis |
|
| 4212074 |
bark beetles |
|
boring dust |
| 1258060 |
great spruce bark beetle |
Dendroctonus micans |
Pitch tubes at root collar |
| 1441009 |
mountain pine beetle |
Dendroctonus ponderosae |
April 1978 |
| 1269021 |
six-spined engraver beetle |
Ips sexdentatus |
Infested stand. Switzerland |
| 1258266 |
lesser larch bark-beetle |
Orthotomicus laricis |
Boring dust resulting from larval feeding on slash |
| 1306012 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tube |
| 1468339 |
western pine beetle |
Dendroctonus brevicomis |
1967 |
| 1121002 |
European spruce bark beetle |
Ips typographus |
adult and boring dust on bark |
| 2105041 |
European spruce bark beetle |
Ips typographus |
Brick-red powder from entrance holes is characteristic for phloemophagous bark beetles (Ips typographus), Besnica, Slovenia, June 2003 |
| 1269052 |
lesser pine shoot beetle |
Tomicus minor |
Shed tips. Switzerland |
| 1329058 |
European spruce bark beetle |
Ips typographus |
Cansiglio, Italy 20 March 1990 |
| 1441011 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1121011 |
European spruce bark beetle |
Ips typographus |
attacked trees on windfall gap border |
| 1121012 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
attacked trees on windfall gap border |
| 1326058 |
blue spruce engraver |
Ips hunteri |
Crown dieback symptom if infestation |
| 1306016 |
red turpentine beetle |
Dendroctonus valens |
on fire-scarred tree |
| 1258119 |
small fir bark beetle |
Cryphalus piceae |
To top of old fir tree |
| 1269004 |
small fir bark beetle |
Cryphalus piceae |
Infested Stand. Switzerland |
| 1437144 |
bark and ambrosia beetles |
Dendroctonus spp. |
Pitch tube, Targhee National Forest, Idaho |
| 2101078 |
six-spined engraver beetle |
Ips sexdentatus |
resin tube on the bark |
| 1269033 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
Switzerland |
| 1441029 |
western balsam bark beetle |
Dryocoetes confusus |
in August 1977 |
| 2103072 |
European spruce bark beetle |
Ips typographus |
Exit holes. Besnica near Ljubljana, Slovenia, September 2005. |
| 2101082 |
six-spined engraver beetle |
Ips sexdentatus |
saw dust on the bark |
| 2101066 |
engraver beetle |
Ips acuminatus |
exit holes in bark |
| 1312010 |
fir engraver |
Scolytus ventralis |
Embedded scar from an unsuccessful attack of the fir engraver beetle on white fir. |
| 3225004 |
Ips engraver beetles |
Ips spp. |
Red top tree in Lufkin, Texas |
| 0284016 |
southern pine beetle |
Dendroctonus frontalis |
Trees infested in winter showing loss of bark due to woodpecker feeding, even on green-crowned trees. |
| 1258061 |
great spruce bark beetle |
Dendroctonus micans |
Boring dust at entrance hole made by adult near root collar |
| 1433023 |
great spruce bark beetle |
Dendroctonus micans |
norway spruce looking ill after attack |
| 1326057 |
blue spruce engraver |
Ips hunteri |
Early crown fading symptom of infestation |
| 1441025 |
spruce beetle |
Dendroctonus rufipennis |
|
| 1437142 |
bark and ambrosia beetles |
Dendroctonus spp. |
Exit holes, Targhee National Forest, Idaho. |
| 1468399 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 2101080 |
six-spined engraver beetle |
Ips sexdentatus |
dead trees |
| 2101069 |
six-spined engraver beetle |
Ips sexdentatus |
exit holes in bark |
| 1269037 |
silver fir bark beetle |
Pityokteines curvidens |
Infested tree. Switzerland |
| 1269040 |
European fir engraver beetle |
Pityokteines vorontzowi |
|
| 1258051 |
lesser pine shoot beetle |
Tomicus minor |
Boring dust |
| 1468338 |
western pine beetle |
Dendroctonus brevicomis |
May 1976 |
| 2101067 |
engraver beetle |
Ips acuminatus |
dead trees |
| 2101084 |
European spruce bark beetle |
Ips typographus |
exit hole |
| 2100076 |
silver fir bark beetle |
Pityokteines curvidens |
exit holes (under the bark) |
| 2089070 |
southern pine beetle |
Dendroctonus frontalis |
exit holes of new brood adults |
| 1191003 |
European spruce bark beetle |
Ips typographus |
debarked stems, near Praha, September 1998 |
| 0284047 |
small southern pine engraver |
Ips avulsus |
infestation in upper crown |
| 1929030 |
Ips engraver beetles |
Ips spp. |
Ips-killed red top loblolly pines |
| 1468411 |
Ips engraver beetles |
Ips spp. |
|
| 2100075 |
silver fir bark beetle |
Pityokteines curvidens |
exit holes |
| 1269043 |
small spruce bark beetle |
Polygraphus poligraphus |
|
| 1191006 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
infestation of very young spruces, 1999 |
| 5388278 |
bark beetles |
|
Pine bark beetles infect this virginia pine. |
| 1259175 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1190018 |
six-spined engraver beetle |
Ips sexdentatus |
|
| 2100080 |
fir bark beetle |
Pityophthorus pityographus |
reddish tree |
| 1393042 |
eastern fivespined ips |
Ips grandicollis |
|
| 2101015 |
larger pine shoot beetle |
Tomicus piniperda |
mined shoots on the soil |
| 2101089 |
European spruce bark beetle |
Ips typographus |
debarking |
| 1398232 |
pine engraver |
Ips pini |
Pocket of dead older red pine killed by Ips pini, |
| 1190031 |
European spruce bark beetle |
Ips typographus |
dead tree after beetle flight |
| 0013079 |
southern pine beetle |
Dendroctonus frontalis |
exit holes |
| 1269056 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 4544051 |
European spruce bark beetle |
Ips typographus |
|
| 1306020 |
spruce beetle |
Dendroctonus rufipennis |
spot infestation in southern British Columbia |
| 1241464 |
pine engraver |
Ips pini |
Group kill. |
| 1241477 |
western balsam bark beetle |
Dryocoetes confusus |
Trees killed typically have bright red crowns for a year or two after death. |
| 2100072 |
silver fir bark beetle |
Pityokteines curvidens |
dead tree |
| 1210097 |
mountain pine beetle |
Dendroctonus ponderosae |
Old group of trees killed, Garber Creek area, South Platte RD, Pike NF |
| 1241474 |
fir engraver |
Scolytus ventralis |
Dead patches of cambium under roughened bark may indicate patch attack. |
| 1241469 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Red-orange boring dust is evidence of successful attack. |
| 4544053 |
northern bark beetle |
Ips duplicatus |
|
| 1259181 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 0806067 |
fir engraver |
Scolytus ventralis |
Red foliage stage. Malheur National Forest, northeastern Oregon |
| 1258033 |
small spruce bark beetle |
Polygraphus poligraphus |
On spruce |
| 1247060 |
southern pine beetle |
Dendroctonus frontalis |
Spot, looking up. |
| 1259087 |
European spruce bark beetle |
Ips typographus |
|
| 0010098 |
Ips engraver beetles |
Ips spp. |
|
| 1258124 |
larger pine shoot beetle |
Tomicus piniperda |
Near wood yard |
| 0010127 |
southern pine beetle |
Dendroctonus frontalis |
Rapid spot spread in unthinned pine |
| 2105038 |
lesser pine shoot beetle |
Tomicus minor |
Infested tree, Polhov Gradec near Ljubljana, Slovenia, June 1999 |
| 2100073 |
silver fir bark beetle |
Pityokteines curvidens |
dead tree |
| 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. |
| 0949005 |
southern pine beetle |
Dendroctonus frontalis |
late- instar larvae and pupae in outer bark |
| 0541036 |
shoot beetles |
Tomicus spp. |
|
| 1441026 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Golden Gate Canyon State Park, Colorado, March 1989 |
| 1259162 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 2253096 |
mountain pine beetle |
Dendroctonus ponderosae |
spot |
| 1306001 |
mountain pine beetle |
Dendroctonus ponderosae |
mass attack |
| 9001008 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Current and older mortality caused by the Douglas-fir beetle on Right Fork White River, July 2002. Uinta National Forest |
| 1306019 |
spruce beetle |
Dendroctonus rufipennis |
spot infestation in southern British Columbia |
| 1312021 |
western pine beetle |
Dendroctonus brevicomis |
Exit holes. |
| 1247266 |
southern pine beetle |
Dendroctonus frontalis |
1974 |
| 1587045 |
bark beetles |
Pseudohylesinus spp. |
|
| 1306021 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1269026 |
European spruce bark beetle |
Ips typographus |
Infested tree. |
| 1190014 |
engraver beetle |
Ips acuminatus |
|
| 1241471 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Trees killed will have red crowns several months after a successful attack. |
| 2103043 |
small fir bark beetle |
Cryphalus piceae |
Stojna, Kocevska region, Slovenia, 3-23-2003. |
| 5425593 |
southern pine beetle |
Dendroctonus frontalis |
|
| 2253086 |
Ips engraver beetles |
Ips spp. |
attacking regeneration trees in stand |
| 1199016 |
pine engraver |
Ips pini |
Exit holes |
| 1258052 |
lesser pine shoot beetle |
Tomicus minor |
Note horizontal feeding galleries and exit holes |
| 0745023 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes and infestation following mechanical damage |
| 1258091 |
European spruce bark beetle |
Ips typographus |
|
| 1269008 |
great spruce bark beetle |
Dendroctonus micans |
|
| 1441127 |
mountain pine beetle |
Dendroctonus ponderosae |
with clerid larva predator |
| 2100070 |
silver fir bark beetle |
Pityokteines curvidens |
resin spots on the bark (maturing eating) |
| 0014307 |
southern pine beetle |
Dendroctonus frontalis |
ground view of spot |
| 1171064 |
fir engraver |
Scolytus ventralis |
Bubbled bark from old attacks |
| 2253085 |
western balsam bark beetle |
Dryocoetes confusus |
|
| 1396117 |
red turpentine beetle |
Dendroctonus valens |
|
| 1306010 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1207029 |
fir engraver |
Scolytus ventralis |
Small group of fir killed by beetle in Little Bald Mountain area, Walla Walla Ranger District, 1976 |
| 2089079 |
Ips engraver beetles |
Ips spp. |
Red topped pine infested by beetles |
| 2134019 |
larger pine shoot beetle |
Tomicus piniperda |
crown with broken off twigs after imaginal feeding |
| 2100083 |
bark beetle |
Pityokteines spinidens |
dead trees |
| 2100084 |
bark beetle |
Pityokteines spinidens |
reddish needles on an infested tree |
| 2133078 |
six-spined engraver beetle |
Ips sexdentatus |
trunk with galleries, central way of gallery is slightly engraved in sapwood; scale: large quadrate 1 x 1 cm, small one 1 x 1 mm |
| 4212073 |
Ips engraver beetles |
Ips spp. |
boring dust, with penny for size reference |
| 3227025 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 2101088 |
European spruce bark beetle |
Ips typographus |
reddish tree |
| 4212077 |
bark beetles |
|
showing pocket mortality effect |
| 3570032 |
large larch bark beetle |
Ips cembrae |
|
| 3040040 |
engraver beetle |
Ips acuminatus |
|
| 2134018 |
larger pine shoot beetle |
Tomicus piniperda |
crown of Pinus trees, with broken off twigs after imaginal feeding |
| 2134017 |
larger pine shoot beetle |
Tomicus piniperda |
outline of a Pinus stand, central trees with broken off twigs after imaginal feeding; |
| 2134020 |
larger pine shoot beetle |
Tomicus piniperda |
forest ground coverd with broken off twigs |
| 2100062 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
dead trees |
| 1306009 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 2101090 |
European spruce bark beetle |
Ips typographus |
resin flux on the bark |
| 1150058 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1546084 |
southern pine beetle |
Dendroctonus frontalis |
Ground photo of four Notch showing dead trees already vacated by southern pine beetles and left standing because of wilderness designation of land. |
| 1546086 |
southern pine beetle |
Dendroctonus frontalis |
Ground photo of Four Notch showing filled and standing dead rtrees killed by southern pine beetle |
| 2101074 |
six-spined engraver beetle |
Ips sexdentatus |
dead trees |
| 1259172 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1300032 |
larger pine shoot beetle |
Tomicus piniperda |
Pine tree with many dying, flagging terminals due to pine shoot beetle adult |
| 1470143 |
spruce beetle |
Dendroctonus rufipennis |
Logan school forest |
| 0284017 |
southern pine beetle |
Dendroctonus frontalis |
winter-infested trees in which bark has been removed by woodpeckers |
| 1191002 |
European spruce bark beetle |
Ips typographus |
a bark beetle spot, August 1996 |
| 1191004 |
European spruce bark beetle |
Ips typographus |
under certain conditions the attacked trees show green crowns together with debarked stems, near Praha, September 1998 |
| 2733004 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes |
| 1470170 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1259049 |
six-spined engraver beetle |
Ips sexdentatus |
|
| 1241476 |
fir engraver |
Scolytus ventralis |
Top kill and tree mortality. |
| 1300031 |
larger pine shoot beetle |
Tomicus piniperda |
Flagging pine terminal indicating presence of pine shoot beetle adult |
| 1150054 |
southern pine beetle |
Dendroctonus frontalis |
just across the Georgia-South Carolina line on I-85 near Lake Hartwell State Park |
| 1269019 |
large larch bark beetle |
Ips cembrae |
Infested stand. |
| 1587050 |
spruce beetle |
Dendroctonus rufipennis |
spruce beetle mortality |
| 1587031 |
pine engraver |
Ips pini |
PP topkilled by Ips pini |
| 1587024 |
Douglas-fir engraver |
Scolytus unispinosus |
DF top killed during droughty period, probably DF engraver beetles or DF pole beetle |
| 1587054 |
western balsam bark beetle |
Dryocoetes confusus |
Old balsam woolly adelgid and western balsam bark beetle, subalpine fir (SAF) |
| 1587051 |
western balsam bark beetle |
Dryocoetes confusus |
|
| 1587041 |
mountain pine beetle |
Dendroctonus ponderosae |
MPB, Current year fader, Fading PP in control plot |
| 1587019 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
|
| 1587020 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
boring dust on down log
|
| 1247110 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1441151 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1269038 |
silver fir bark beetle |
Pityokteines curvidens |
|
| 1150055 |
southern pine beetle |
Dendroctonus frontalis |
just across the Georgia-South Carolina line on I-85 near Lake Hartwell State Park |
| 1121004 |
European spruce bark beetle |
Ips typographus |
pitch tube |
| 1433030 |
six-spined engraver beetle |
Ips sexdentatus |
neglected logs nearby pine stands; high risk for outbreak |
| 0745078 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes & pitchout on loblolly pine |
| 1247098 |
southern pine beetle |
Dendroctonus frontalis |
Oconee National Forest |
| 1247059 |
southern pine beetle |
Dendroctonus frontalis |
1988. |
| 1306027 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 0013094 |
southern pine beetle |
Dendroctonus frontalis |
Expanding SPB spot. High priority for detection and ground check (more faders than red-topped pines). |
| 1259047 |
large larch bark beetle |
Ips cembrae |
|
| 1247108 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1247093 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1247130 |
southern pine beetle |
Dendroctonus frontalis |
Highway 985, GA. Infesting young trees. |
| 1396113 |
red turpentine beetle |
Dendroctonus valens |
|
| 1467060 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1258157 |
fir bark beetle |
Pityophthorus pityographus |
Often attacks upper crown of weakened trees |
| 1258267 |
lesser larch bark-beetle |
Orthotomicus laricis |
Attacked spruce slash |
| 1121003 |
European spruce bark beetle |
Ips typographus |
boring dust on bark |
| 1190025 |
European spruce bark beetle |
Ips typographus |
debarking tree |
| 1207027 |
Ips engraver beetles |
Ips spp. |
|
| 1150057 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1300034 |
larger pine shoot beetle |
Tomicus piniperda |
Crowns of pine trees damaged by pine shoot beetle; note thinning of crown due to fallen terminals |
| 2100066 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
dead tree |
| 1312015 |
fir engraver |
Scolytus ventralis |
Top-kill |
| 2108030 |
Ips engraver beetles |
Ips spp. |
On fallen pines or on pine logs, the accumulations of red or brown sawdust on the surface of the bark are another sign of attacks by secondary bark beetles (Ips spp.) |
| 2108032 |
southern pine beetle |
Dendroctonus frontalis |
tree with large number of pitch tubes. |
| 2108048 |
southern pine beetle |
Dendroctonus frontalis |
Stage 1 tree. |
| 2108045 |
southern pine beetle |
Dendroctonus frontalis |
Pitch tubes |
| 2108046 |
southern pine beetle |
Dendroctonus frontalis |
Pitch tubes indicating attacks of adult SPB on the trunk of a pine tree. |
| 2108044 |
southern pine beetle |
Dendroctonus frontalis |
outbreak |
| 2108061 |
mountain pine beetle |
Dendroctonus ponderosae |
infested stand, |
| 2108072 |
mountain pine beetle |
Dendroctonus ponderosae |
in pitch tubes, |
| 2108073 |
mountain pine beetle |
Dendroctonus ponderosae |
fresh galleries |
| 2108076 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 2100085 |
bark beetle |
Pityokteines spinidens |
dead trees |
| 1190030 |
European spruce bark beetle |
Ips typographus |
brown saw dust showing activity under the bark |
| 1300029 |
larger pine shoot beetle |
Tomicus piniperda |
Entrance turrets of adult pine shoot beetle on pine terminal |
| 1306023 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1306025 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1247099 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1247096 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1259171 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1269035 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
Stand damage. Switzerland |
| 1306029 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1269015 |
engraver beetle |
Ips acuminatus |
Tree mortality. Switzerland |
| 1247214 |
southern pine beetle |
Dendroctonus frontalis |
Highway 985, GA. Infesting young trees |
| 1259167 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1433027 |
six-spined engraver beetle |
Ips sexdentatus |
pines attacked in the fall showing green crowns together with debarked stems |
| 1541738 |
sixspined ips |
Ips calligraphus |
boring dust on down timber |
| 1541739 |
Ips engraver beetles |
Ips spp. |
|
| 1541567 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1541020 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541029 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541030 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541034 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541036 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541040 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541018 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1541015 |
black turpentine beetle |
Dendroctonus terebrans |
|
| 1259176 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1441152 |
mountain pine beetle |
Dendroctonus ponderosae |
Bear Mountain Basin; Note fading trees |
| 1241463 |
Ips engraver beetles |
Ips spp. |
Top kill from Ips attack. |
| 1259173 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 1121041 |
European spruce bark beetle |
Ips typographus |
boring dust on bark |
| 1300033 |
larger pine shoot beetle |
Tomicus piniperda |
Pine terminals, infested by adult pine shoot beetle, fallen from tree |
| 1150053 |
southern pine beetle |
Dendroctonus frontalis |
just across the Georgia-South Carolina line on I-85 near Lake Hartwell State Park |
| 2108071 |
mountain pine beetle |
Dendroctonus ponderosae |
damage near lake, Prince George, British Columbia, Canada |
| 2108047 |
southern pine beetle |
Dendroctonus frontalis |
spots in Culmi, Honduras 2005 |
| 2108028 |
southern pine beetle |
Dendroctonus frontalis |
In expanding infestations, here stages of attack can be distinguished: stage 1 with green foliage, soft pitch tubes in the bark crevices and with the wood surface having a white color (without bark beetle galleries); stage 2 with fading or yellow crown, serpentine galleries under the bark, and the surface of the wood being brown in color; stage 3 with a red or maroon crown (or without foliage) and with small, circular exit holes in the bark. Olancho Region, Honduras |
| 2108043 |
southern pine beetle |
Dendroctonus frontalis |
Pitch tube. Olancho Region, Honduras |
| 2108027 |
southern pine beetle |
Dendroctonus frontalis |
Stage 3 - small, circular exit holes in the bark. Honduras |
| 1150056 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1207055 |
mountain pine beetle |
Dendroctonus ponderosae |
pine stand killed by beetle, La Grande Ranger District |
| 1546164 |
southern pine beetle |
Dendroctonus frontalis |
spot salvage |
| 1312042 |
California fivespined ips |
Ips paraconfusus |
Beetles increased in number by breeding in slash prior to attacking nearby trees. |
| 1306022 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
spot infestation |
| 1546021 |
southern pine beetle |
Dendroctonus frontalis |
Outer bark from infested pine showing southern pine beetle exit holes and chisel marks from woodpecker feeding. |
| 1546170 |
bark beetles |
|
Bark removed from a tree infested with bark beetles by woodpeckers searching for the insects. |
| 0284029 |
southern pine beetle |
Dendroctonus frontalis |
pine killed by beetle with blues stain fungus, a cross section of log |
| 5289056 |
southern pine beetle |
Dendroctonus frontalis |
natural causes |
| 5289058 |
southern pine beetle |
Dendroctonus frontalis |
natural causes |
| 5289060 |
southern pine beetle |
Dendroctonus frontalis |
Tornado damage can be inciting factors for Southern Pine beetle outbreaks. |
| 5289061 |
southern pine beetle |
Dendroctonus frontalis |
Tornado damage can be inciting factors for Southern Pine beetle outbreaks. |
| 5289059 |
southern pine beetle |
Dendroctonus frontalis |
Tornado damage can be inciting factors for Southern Pine beetle outbreaks. |
| 5289052 |
southern pine beetle |
Dendroctonus frontalis |
Lightning strikes can be inciting factors for Southern Pine beetle outbreaks. |
| 5289053 |
southern pine beetle |
Dendroctonus frontalis |
Lightning strikes can be inciting factors for Southern Pine beetle outbreaks. |
| 5289054 |
southern pine beetle |
Dendroctonus frontalis |
Lightning strikes can be inciting factors for Southern Pine beetle outbreaks. |
| 5289055 |
southern pine beetle |
Dendroctonus frontalis |
Lightning strikes can be inciting factors for Southern Pine beetle outbreaks. |
| 5289051 |
southern pine beetle |
Dendroctonus frontalis |
Lightning strikes can be inciting factors for Southern Pine beetle outbreaks. |
| 5288072 |
Ips engraver beetles |
Ips spp. |
|
| 5288073 |
Ips engraver beetles |
Ips spp. |
|
| 5288074 |
Ips engraver beetles |
Ips spp. |
|
| 5288075 |
Ips engraver beetles |
Ips spp. |
|
| 5288070 |
Ips engraver beetles |
Ips spp. |
|
| 5288071 |
Ips engraver beetles |
Ips spp. |
|
| 5288065 |
Ips engraver beetles |
Ips spp. |
|
| 5288066 |
Ips engraver beetles |
Ips spp. |
|
| 5288067 |
Ips engraver beetles |
Ips spp. |
|
| 5288068 |
Ips engraver beetles |
Ips spp. |
|
| 5288069 |
Ips engraver beetles |
Ips spp. |
|
| 5288063 |
Ips engraver beetles |
Ips spp. |
|
| 5288064 |
Ips engraver beetles |
Ips spp. |
|
| 5288058 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288059 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288060 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288062 |
Ips engraver beetles |
Ips spp. |
|
| 5288056 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288051 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5288052 |
Ips engraver beetles |
Ips spp. |
Ips avul & calli in Slash pine |
| 5424548 |
small southern pine engraver |
Ips avulsus |
|
| 1274018 |
pinyon ips |
Ips confusus |
Heavy mortality. Mesa Verde N.P., CO.
3rd place in the Southern Forest Insect Work Conference Photo Slaon in the category of Forest Insect Damage. |
| 1546017 |
southern pine beetle |
Dendroctonus frontalis |
view of killed pine trees by southern pine beetles |
| 1546001 |
small southern pine engraver |
Ips avulsus |
Upper crown of longleaf pine killed by Ips avulsus. |
| 2180074 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2181023 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2181030 |
spruce beetle |
Dendroctonus rufipennis |
woodpecker damage on infested spruce |
| 2180076 |
spruce beetle |
Dendroctonus rufipennis |
|
| 1543116 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1543114 |
southern pine beetle |
Dendroctonus frontalis |
|
| 5051055 |
Ips engraver beetles |
Ips spp. |
Ips bark beetle attack on red pine severely stressed by drought. |
| 5251048 |
pine engraver |
Ips pini |
Opening in a red pine stand following mortality caused by drought and Ips pini. |
| 5383044 |
European spruce bark beetle |
Ips typographus |
needle drop under attacked spruce
|
| 5383064 |
lesser pine shoot beetle |
Tomicus minor |
adult hole on pine shoot |
| 0758110 |
Ips engraver beetles |
Ips spp. |
Aerial view of scattered tree mortality in longleaf pine. |
| 0758111 |
Ips engraver beetles |
Ips spp. |
Aerial view of scattered tree mortality. |
| 5378204 |
European spruce bark beetle |
Ips typographus |
|
| 5378200 |
European spruce bark beetle |
Ips typographus |
|
| 5378201 |
European spruce bark beetle |
Ips typographus |
|
| 5378236 |
European spruce bark beetle |
Ips typographus |
|
| 5378240 |
European spruce bark beetle |
Ips typographus |
|
| 5378223 |
European spruce bark beetle |
Ips typographus |
|
| 5378225 |
European spruce bark beetle |
Ips typographus |
|
| 5378222 |
European spruce bark beetle |
Ips typographus |
|
| 5378210 |
European spruce bark beetle |
Ips typographus |
|
| 5378213 |
European spruce bark beetle |
Ips typographus |
|
| 5378214 |
European spruce bark beetle |
Ips typographus |
|
| 5382164 |
mountain pine beetle |
Dendroctonus ponderosae |
Fresh pitch tubes
|
| 5382166 |
mountain pine beetle |
Dendroctonus ponderosae |
Fresh pitch tubes
|
| 5382167 |
mountain pine beetle |
Dendroctonus ponderosae |
Fresh pitch tubes
|
| 5382168 |
mountain pine beetle |
Dendroctonus ponderosae |
Adult excavating tunnel. Although this tree is still producing pitch, it has been heavily attacked by mountain pine beetle, and this adult beetle is excavating a larval gallery, treading the oozing pitch.
|
| 5382169 |
mountain pine beetle |
Dendroctonus ponderosae |
Adult excavating tunnel. Although this tree is still producing pitch, it has been heavily attacked by mountain pine beetle, and this adult beetle is excavating a larval gallery, treading the oozing pitch.
|
| 5382170 |
mountain pine beetle |
Dendroctonus ponderosae |
Fresh pitch tube
|
| 5382171 |
mountain pine beetle |
Dendroctonus ponderosae |
Adult killed in “pitch-out” of ponderosa pine
|
| 5382045 |
cedar bark beetles |
Phloeosinus spp. |
Twig die-back from maturation feeding by adult cedar bark beetles.
|
| 5382042 |
cedar bark beetles |
Phloeosinus spp. |
Twig die-back from maturation feeding by adult cedar bark beetles.
|
| 5382043 |
cedar bark beetles |
Phloeosinus spp. |
Twig die-back from maturation feeding by adult cedar bark beetle. The opening to the feeding site is at the center of the picture.
|
| 5382044 |
cedar bark beetles |
Phloeosinus spp. |
Twig die-back from maturation feeding by adult cedar bark beetle. The area of the feeding site has been cut away and exposed.
|
| 0758109 |
Ips engraver beetles |
Ips spp. |
Bark slabs provide a source of beetles that have subsequently attacked standing trees. |
| 0758112 |
Ips engraver beetles |
Ips spp. |
Aerial view of scattered tree mortality in a young pine plantation. |
| 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 |
| 5382405 |
western pine beetle |
Dendroctonus brevicomis |
Galleries |
| 5382406 |
western pine beetle |
Dendroctonus brevicomis |
Tree mortality adjacent to old burn |
| 5382430 |
blue spruce engraver |
Ips hunteri |
Aerial view of an infestation |
| 5382435 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 5382436 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 5382437 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 5382438 |
mountain pine beetle |
Dendroctonus ponderosae |
Tree mortality |
| 5382439 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of a thinned stand with heavy damage |
| 5382440 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of thinned stand with heavy damage |
| 5382441 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of heavy tree mortality |
| 5382442 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of fresh attacks in ponderosa pine amid older dead lodgepole pines, Colorado State Forest |
| 0017010 |
Mediterranean pine engraver beetle |
Orthotomicus erosus |
Pinus brutia killed by Mediterranean pine beetle, Turkish Cyprus |
| 0758101 |
southern pine beetle |
Dendroctonus frontalis |
Two active multiple tree spots |
| 0758102 |
southern pine beetle |
Dendroctonus frontalis |
Aerial view of a multiple tree spot. |
| 0758103 |
southern pine beetle |
Dendroctonus frontalis |
Aerial view of fading and dead pines in a large spot. |
| 0758104 |
southern pine beetle |
Dendroctonus frontalis |
Aerial view is a large infestation. |
| 0758105 |
southern pine beetle |
Dendroctonus frontalis |
Aerial view of a large infestation in the Four Notch Wilderness candidate study area. |
| 0758106 |
southern pine beetle |
Dendroctonus frontalis |
Aerial view of a large infestation at Four Notch Wilderness Study Area |
| 0758107 |
pine engraver |
Ips pini |
Top kill caused by pine engraver |
| 0758108 |
Ips engraver beetles |
Ips spp. |
Logs at a rail siding provide a source of beetles that have subsequently attacked standing trees. |
| 0758122 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality. Nine Mile Creek |
| 0758123 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality. Nine Mile Creek |
| 0758124 |
mountain pine beetle |
Dendroctonus ponderosae |
Color aerial photo showing effect of stand density on occurrence of beetle attack. Nine Mile Creek |
| 0758126 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality. |
| 0758127 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 0758128 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality. |
| 0758129 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality. Note, this scene shows mortality caused by two generations of beetles. The yellow-green crowns were attacked one year ago and the reddish brown crowns were attacked two years ago. |
| 0758130 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of severe tree mortality in lodgepole pine |
| 0758131 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of severe tree mortality. The line at photo center is the US/Canada border. This photo illustrates that insects do not respect political boundaries. |
| 0758134 |
California fivespined ips |
Ips paraconfusus |
Trees with top kill from Ips attack, Rubicon River drainage. |
| 0758135 |
California fivespined ips |
Ips paraconfusus |
Top kill in large ponderosa pines |
| 0758136 |
bark beetles |
|
Aerial view of a bark beetle spot in ponderosa pine. The spot is the result of the combined attacks of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area |
| 0758137 |
bark beetles |
|
Aerial view of a barkbeetle infestation, The infestation is the result of a combined attack by Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area |
| 0758138 |
bark beetles |
|
Aerial of scattered tree mortality in ponderosa pine. The infestations are the result of combined attacks of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area |
| 0758139 |
bark beetles |
|
Aerial view of tree mortality. The infestations are the result of a combined attack of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage area |
| 0758140 |
bark beetles |
|
Aerial view of tree mortality. The attacks are a combination of Ips paraconfusus and Dendroctonus brevicomis. |
| 0758141 |
bark beetles |
|
Trees killed by a combination of Ips paraconfusus and Dendroctonus brevicomis at Rubicon River drainage |
| 0758142 |
bark beetles |
|
Aerial view of tree mortality caused by a combination of Ips paraconfusus and Dendroctonus brevicomis. |
| 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 |
| 0758149 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of tree mortality |
| 0758150 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of tree mortality |
| 5378627 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 5379220 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 5378625 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 5377987 |
lesser pine shoot beetle |
Tomicus minor |
|
| 5378611 |
bark beetle |
Orthotomicus robustus |
|
| 5379168 |
bark beetle |
Orthotomicus robustus |
|
| 5379132 |
six-spined engraver beetle |
Ips sexdentatus |
Bark sloughing off. |
| 5379095 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 5379094 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 5378587 |
six-toothed spruce bark beetle |
Pityogenes chalcographus |
|
| 5378291 |
European spruce bark beetle |
Ips typographus |
|
| 5378279 |
European spruce bark beetle |
Ips typographus |
|
| 5378274 |
European spruce bark beetle |
Ips typographus |
|
| 5378275 |
European spruce bark beetle |
Ips typographus |
|
| 5378273 |
European spruce bark beetle |
Ips typographus |
|
| 1248033 |
twig beetles |
Pityophthorus spp. |
Damage to twigs caused by a pinyon pine twig beetle near Durango, CO |
| 1254001 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch tubes on bark surface |
| 2143057 |
bark beetles |
|
branch flagging; pinyon twig beetles (Pityophthorus spp, Pityogenes spp., or Pityoborus spp.) |
| 2142008 |
pine engraver |
Ips pini |
frass |
| 2142009 |
pine engraver |
Ips pini |
frass on windthrown tree |
| 2142051 |
mountain pine beetle |
Dendroctonus ponderosae |
fading (red) crowns |
| 2142052 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tubes |
| 2142053 |
mountain pine beetle |
Dendroctonus ponderosae |
fading crowns; current-year attacks; dwarf mistletoe infections in lower branches |
| 2142054 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch-out |
| 2143056 |
cedar bark beetles |
Phloeosinus spp. |
frass holes and shrunken bark |
| 1473001 |
spruce beetle |
Dendroctonus rufipennis |
crown view of Engelman spruce recently killed by spruce beetle |
| 1411013 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1411023 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1411061 |
southern pine beetle |
Dendroctonus frontalis |
|
| 1428088 |
mountain pine beetle |
Dendroctonus ponderosae |
Fresh fading ponderosa pine due to previous year's mountain pine beetle attack. |
| 1428089 |
mountain pine beetle |
Dendroctonus ponderosae |
Fresh fading pines due to previous year's beetle attack. |
| 0758239 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Trees killed by Douglas-fir beetle. |
| 1517010 |
southern pine beetle |
Dendroctonus frontalis |
Southern pine beetle spot fron ground level |
| 5135053 |
pinyon ips |
Ips confusus |
Aerial survey 2006; Aerial view of damage, near Canon City, CO |
| 1441123 |
spruce beetle |
Dendroctonus rufipennis |
from woodpeckers foraging on spruce beetle |
| 1318098 |
western pine beetle |
Dendroctonus brevicomis |
A still photograph of site in the Davis Mountains of west Texas confirms a stand of dead ponderosa pines killed by western pine beetles that is also evident at the center of the aerial color-infrared video image taken of the same area. |
| 5082085 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch out that successfully killed adult attempting to tunnel |
| 5018033 |
peach bark beetle |
Phloeotribus liminaris |
|
| 2179052 |
mountain pine beetle |
Dendroctonus ponderosae |
2003 |
| 2179053 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 2179063 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
|
| 2139079 |
fir engraver |
Scolytus ventralis |
|
| 2139084 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2140083 |
pinyon ips |
Ips confusus |
|
| 2140085 |
pinyon ips |
Ips confusus |
group mortality |
| 2141040 |
spruce beetle |
Dendroctonus rufipennis |
entrance hole |
| 2141041 |
spruce beetle |
Dendroctonus rufipennis |
pitch tube |
| 2141042 |
spruce beetle |
Dendroctonus rufipennis |
pitch tubes |
| 2141043 |
spruce beetle |
Dendroctonus rufipennis |
pitch tubes |
| 2141044 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141045 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141046 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141047 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141048 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141049 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141050 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141051 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141052 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141053 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141054 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141055 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141056 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141057 |
spruce beetle |
Dendroctonus rufipennis |
spruce mortality |
| 2141061 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2141062 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2108057 |
mountain pine beetle |
Dendroctonus ponderosae |
Lodgepole pine cross-section, Prince George, British Columbia, Canada |
| 3225008 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes on mechanically damaged tree |
| 3225034 |
southern pine beetle |
Dendroctonus frontalis |
aerial view of spot - Texas |
| 5005010 |
Ips engraver beetles |
Ips spp. |
Green crowned pine with Ips infested bark slipping |
| 5005017 |
Ips engraver beetles |
Ips spp. |
|
| 5005018 |
Ips engraver beetles |
Ips spp. |
|
| 5005019 |
Ips engraver beetles |
Ips spp. |
|
| 5005020 |
Ips engraver beetles |
Ips spp. |
|
| 5005021 |
Ips engraver beetles |
Ips spp. |
|
| 5005040 |
black turpentine beetle |
Dendroctonus terebrans |
Joe Pase inspecting an infested pine |
| 5005042 |
black turpentine beetle |
Dendroctonus terebrans |
Joe Pase inspecting an infested pine |
| 2112008 |
shoot beetles |
Tomicus spp. |
maturation feeding |
| 2112014 |
European spruce bark beetle |
Ips typographus |
trees with debarked stems after heavy infestation (crowns are still green); September 1996 |
| 2112015 |
European spruce bark beetle |
Ips typographus |
base of stem debarked after heavy infestation (crown is still green); September 1996 |
| 2111060 |
European spruce bark beetle |
Ips typographus |
trees with debarked stems after heavy infestation while the crowns are still green; September 1996 |
| 2111061 |
European spruce bark beetle |
Ips typographus |
a tree with the debarked stem after heavy infestation while the crown is still green; September 1996 |
| 2252094 |
pine engraver |
Ips pini |
|
| 2104080 |
six-spined engraver beetle |
Ips sexdentatus |
Ips sexdentatus frequently lives in association with fungi from the genera Leptographium and Graphium, Karst region, Slovenia, June 2000 |
| 2105033 |
six-spined engraver beetle |
Ips sexdentatus |
Brick-red sawdust deposition down of an attacked pine, Karst region, Slovenia, June 2000 |
| 1468077 |
Jeffery pine beetle |
Dendroctonus jeffreyi |
discoloration caused by blue stain fungus; 1982 |
| 1470150 |
spruce beetle |
Dendroctonus rufipennis |
July 1993 |
| 1470183 |
balasm fir bark beetle |
Pityokteines sparsus |
emergence holes |
| 1470058 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
|
| 1399090 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
|
| 2122042 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality, Pinus contorta, Pinus flexilis, Tennessee Mountain, Nederland, CO |
| 2122043 |
mountain pine beetle |
Dendroctonus ponderosae |
Tree mortality on western slope of the Wet Mountains, CO |
| 2122044 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality, Sangre de Cristo Mountains, CO |
| 2122050 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of faders, Red Mountain, Rio Grande, NF, CO |
| 2122051 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of faders, Red Mountain, Rio Grande, NF, CO |
| 2122052 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of faders and tree mortaloty, red Mountain, Rio Grande, NF, CO |
| 2122053 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of faders and tree mortality, Red Mountain, Rio Grande, NF, CO |
| 2122054 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of faders and tree mortality, Red Mountain, Rio Grande NF, CO |
| 2122055 |
western balsam bark beetle |
Dryocoetes confusus |
Aerial view of faders, Bull Mountain, Larimer, CO. |
| 2108029 |
southern pine beetle |
Dendroctonus frontalis |
Stage 1 - soft pitch tubes in the bark crevices and with the wood surface having a white color (without bark beetle galleries). Olancho Region, Honduras |
| 3227026 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tubes - Baker, OR |
| 0284024 |
southern pine beetle |
Dendroctonus frontalis |
adult beetle and pitch tube |
| 0284033 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes |
| 0284019 |
southern pine beetle |
Dendroctonus frontalis |
close up of a tree showing pitch tubes and adult emergence holes |
| 1678044 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
sampling of fir beetle in wind throw, Washington |
| 2100074 |
silver fir bark beetle |
Pityokteines curvidens |
resin flux on the bark |
| 2101017 |
larger pine shoot beetle |
Tomicus piniperda |
resin tube on the bark |
| 2101077 |
six-spined engraver beetle |
Ips sexdentatus |
recently dead tree, debarked but still with green needles |
| 1396115 |
red turpentine beetle |
Dendroctonus valens |
|
| 1396110 |
larger pine shoot beetle |
Tomicus piniperda |
bluestain associated with T. piniperda attack |
| 1396112 |
larger pine shoot beetle |
Tomicus piniperda |
cast shoots caused by T. piniperda maturation feeding |
| 1394085 |
southern pine beetle |
Dendroctonus frontalis |
damage from woodpeckers preying on beetles. Delmarva peninsula |
| 1394086 |
southern pine beetle |
Dendroctonus frontalis |
loblolly pine salvage due to Southern pine beetle damage. Wet logging conditions on Delmarva Peninsula, Pocomoke State Forest |
| 0805083 |
spruce beetle |
Dendroctonus rufipennis |
Kenai river |
| 1248015 |
pine engraver |
Ips pini |
Multiple tree groups of dead and dying lodgepole pines near Evergreen, CO |
| 1248016 |
mountain pine beetle |
Dendroctonus ponderosae |
Large multiple tree spot on the summit of Tennessee Mountain near Nederland, CO. Pinus contorta and P. flexilis |
| 1248017 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of a multiple tree spot on road to Rollins Pass near Rollinsville, CO |
| 1248019 |
mountain pine beetle |
Dendroctonus ponderosae |
Rollinsvile, CO |
| 1248020 |
mountain pine beetle |
Dendroctonus ponderosae |
Fading trees near Willow Creek Pass, CO |
| 1248021 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of heavy mortality near Antero Jct, South Park, CO |
| 1248022 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of heavy mortality in ponderosa pine near Antero Jct, South Park,CO |
| 1248023 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Aerial view of tree mortality, San Juan NF, CO |
| 1248024 |
fir engraver |
Scolytus ventralis |
Top Kill in white fir, eastern slope of the Wet Mountains, CO |
| 1248025 |
fir engraver |
Scolytus ventralis |
Aerial view of top kill and tree mortality, Wet Mountains, CO |
| 1248026 |
western balsam bark beetle |
Dryocoetes confusus |
Aerial view of tree mortality near Bull Mountain, Larimer CO, CO |
| 1248031 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of tree mortality caused by spruce beetle, San Juan NF, CO |
| 1248032 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of tree mortality caused by spruce beetle, San Juan, N.F., CO |
| 1121028 |
European spruce bark beetle |
Ips typographus |
debarking tree |
| 1248034 |
pinyon ips |
Ips confusus |
|
| 1248038 |
blue spruce engraver |
Ips hunteri |
Top kill caused by a spruce engraver beetle, Ips hunteri, Fort Collins, CO |
| 1247116 |
southern pine beetle |
Dendroctonus frontalis |
Carter's lake, GA. 1988. |
| 1247213 |
southern pine beetle |
Dendroctonus frontalis |
Monroe County. 1979 |
| 1258306 |
northern bark beetle |
Ips duplicatus |
Entrance hole with boring dust |
| 1258221 |
bark beetle |
Cryphalus asperatus |
Larval feeding patch |
| 1258059 |
great spruce bark beetle |
Dendroctonus micans |
Cross section of spruce showing feeding gallery. |
| 1258056 |
great spruce bark beetle |
Dendroctonus micans |
Feeding damage under spruce bark |
| 1258057 |
great spruce bark beetle |
Dendroctonus micans |
Pitch tube on spruce |
| 1258118 |
small fir bark beetle |
Cryphalus piceae |
Exit holes |
| 1258089 |
European spruce bark beetle |
Ips typographus |
Boring dust on bark |
| 1254004 |
mountain pine beetle |
Dendroctonus ponderosae |
Fading pines indicative of beetle attack, Red Feather Lakes, CO. |
| 1254005 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of dead and dying trees, Black Hills NF, SD |
| 1254007 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Fading Douglas-fir, Roosevelt, NF, CO |
| 1254009 |
pine engraver |
Ips pini |
Top kill in ponderosa pine, Warm Springs IR, OR |
| 1254010 |
blue spruce engraver |
Ips hunteri |
Fading spruces due to Blue spruce engraver beetle attack, Timnath, CO. |
| 1254011 |
blue spruce engraver |
Ips hunteri |
Pitch tubes and boring dust on bark surface, Timnath, CO. |
| 2500001 |
fir engraver |
Scolytus ventralis |
Rio Grande NF, CO. |
| 2500002 |
fir engraver |
Scolytus ventralis |
Rio Grande NF, CO. |
| 2500003 |
pinyon ips |
Ips confusus |
Pitch tubes and boring dust on the bark surface of pinyon pine. |
| 2500004 |
fir engraver |
Scolytus ventralis |
Aerial view of tree mortality, San Juan NF, CO |
| 2500005 |
pinyon ips |
Ips confusus |
Aerial view of group of trees killed by pinyon engraver beetle, Rio Grande NF, CO |
| 2500006 |
pinyon ips |
Ips confusus |
Scattered tree mortality caused by pinyon engraver beetle, Rio Grande, NF, CO |
| 2500007 |
pinyon ips |
Ips confusus |
Scattered tree mortality caused by pinyon engraver beetle, Rio Grande, NF, CO |
| 2500008 |
pinyon ips |
Ips confusus |
Group killed by pinyon engraver beetle, Rio Grande NF, CO. |
| 2500010 |
bark beetle |
Phloeosinus armatus |
Adult maturation feeding, northern Cyprus. |
| 2500015 |
pine shoot beetle |
Tomicus destruens |
Group of old dead trees, northern Cyprus. |
| 1312011 |
fir engraver |
Scolytus ventralis |
Embedded scar from an unsuccessful attack of the fir engraver beetle on white fir. |
| 1312007 |
red turpentine beetle |
Dendroctonus valens |
Pitch tubes on fire-scorched ponderosa pine. |
| 1312009 |
red turpentine beetle |
Dendroctonus valens |
Boring dust from turpentine beetle attacks on Monterey Pine. |
| 1241466 |
Ips engraver beetles |
Ips spp. |
Red-orange boring dust on bark of attacked pine |
| 1241449 |
red turpentine beetle |
Dendroctonus valens |
Large pitch tubes showing attack sites. Attacks are usually confined to lower 3 feet of bole. |
| 1241453 |
western pine beetle |
Dendroctonus brevicomis |
Pines with bark flaked away by woodpeckers searching for larvae. |
| 1241460 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch tubes and boring dust are usually evident at attack sites. |
| 1231251 |
spruce bark tortrix moth |
Cydia pactolana |
|
| 1231194 |
eastern juniper bark beetle |
Phloeosinus bicolor |
|
| 1428130 |
black pine bark beetle |
Hylastes ater |
Mortality of regeneration caused by maturation feeding of adults. |
| 1428131 |
black pine bark beetle |
Hylastes ater |
Mortality of natural regeneration of pine caused by adult feeding. Forestal Valparasio, near Valparaiso |
| 1428132 |
black pine bark beetle |
Hylastes ater |
Injury to root collar of seedling caused by adult maturation feeding. |
| 1428133 |
black pine bark beetle |
Hylastes ater |
Breeding attack in the root collar of a young pine also infected by a black stain fungus, Leptographium spp. Central Chile |
| 1428140 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Adult maturation feeding damage on pine seedling, central Chile. |
| 1169018 |
Ips engraver beetles |
Ips spp. |
mortality |
| 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. |
| 3948084 |
eastern juniper bark beetle |
Phloeosinus bicolor |
Boring dust on windthrown juniper, Krisia Forest |
| 1428111 |
engraver beetle |
Ips acuminatus |
Top kill caused by pine engraver beetle in Pinus sylvestris var. hamata, near Bakuriana. |
| 1428112 |
engraver beetle |
Ips acuminatus |
Top kill in large Pinus sylvestris var. hamata, near Bakuriana. |
| 1428116 |
engraver beetle |
Ips acuminatus |
Top kill of Pinus sylvestris var. hamata, near Bakuriana. |
| 1428087 |
mountain pine beetle |
Dendroctonus ponderosae |
Group of ponderosa pines killed by mountain pine beetle. |
| 1428031 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Heavy attack in fresh logging slash |
| 1428034 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Boring dust indicative of attack in fresh stump, VIII Region. |
| 1306047 |
pine engraver |
Ips pini |
in British Columbia |
| 1306013 |
mountain pine beetle |
Dendroctonus ponderosae |
landscape level epidemic |
| 1441144 |
mountain pine beetle |
Dendroctonus ponderosae |
Bear Mountain Basin looking West, July 1992 |
| 1441150 |
mountain pine beetle |
Dendroctonus ponderosae |
Black Hills National Forest, South Dakota |
| 0805082 |
spruce beetle |
Dendroctonus rufipennis |
|
| 1441132 |
mountain pine beetle |
Dendroctonus ponderosae |
Uncompahgre National Forest, Colorado |
| 0758158 |
western balsam bark beetle |
Dryocoetes confusus |
Scattered tree mortality |
| 0758156 |
fir engraver |
Scolytus ventralis |
Aerial view of tree mortality. |
| 0758155 |
fir engraver |
Scolytus ventralis |
Aerial view of tree mortality. |
| 0758154 |
fir engraver |
Scolytus ventralis |
Aerial view of multiple tree spots |
| 0758152 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of tree mortality |
| 0758151 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of tree mortality |
| 0013080 |
southern pine beetle |
Dendroctonus frontalis |
Small southern pine beetle infestation. Detection of many SPB infestations in Honduras is conducted from the ground, due to mountainous terrain. |
| 1669054 |
southern pine beetle |
Dendroctonus frontalis |
pitched out beetle |
| 1150095 |
southern pine beetle |
Dendroctonus frontalis |
white pitch tube |
| 1150096 |
southern pine beetle |
Dendroctonus frontalis |
fresh pink pitch tube |
| 1150010 |
bark beetles |
|
intermingled ips and southern pine beetle attacks on drought stressed pines |
| 0758157 |
fir engraver |
Scolytus ventralis |
Trees attacked by Scolytus ventralis showing variety of attack patterns: top kill, branch attacks and total tree kill. |
| 2089069 |
southern pine beetle |
Dendroctonus frontalis |
Blue stain fungus introduced by attack. Note reduced radial growth as evidenced by narrowing growth rings. |
| 1433028 |
six-spined engraver beetle |
Ips sexdentatus |
larval sawdust deposition down of an attacked pine |
| 1433024 |
great spruce bark beetle |
Dendroctonus micans |
entry hole |
| 1433026 |
six-spined engraver beetle |
Ips sexdentatus |
entry hole with resin emission |
| 0013087 |
Ips engraver beetles |
Ips spp. |
Scattered single pines with discolored foliage indicate trees attacked by engraver beetles (Ips). Distinct from a multiple-tree southern pine beetle infestation. |
| 3948029 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Logs imported from the US for construction of a buddhist temple and infested with Douglas-fir beetle. |
| 1441012 |
mountain pine beetle |
Dendroctonus ponderosae |
cross section of log showing blue stain |
| 1441031 |
bark beetle |
Pityophthorus aquilus |
Pitch tube on branch tip at Missionary Ridge near Durango, Colorado |
| 2089087 |
black turpentine beetle |
Dendroctonus terebrans |
closeup of fresh pitch tube, indicates active
infestation |
| 2089088 |
black turpentine beetle |
Dendroctonus terebrans |
closeup of old, weathered pitch tubes, activity likely over |
| 2089091 |
southern pine beetle |
Dendroctonus frontalis |
Typical pitch tubes on bark |
| 2089068 |
Ips engraver beetles |
Ips spp. |
boring dust in bark crevice, sign of attack |
| 2733010 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes, at base of tree |
| 2253092 |
mountain pine beetle |
Dendroctonus ponderosae |
Belly River, panaromic view |
| 2253093 |
mountain pine beetle |
Dendroctonus ponderosae |
Belly River, Glacier - Waterton National Park panaromic view |
| 2253094 |
mountain pine beetle |
Dendroctonus ponderosae |
Belly River, Glacier - Waterton National Park, panaromic view |
| 2253095 |
mountain pine beetle |
Dendroctonus ponderosae |
Belly River, Glacier - Waterton National Park, panaromic view |
| 2253030 |
mountain pine beetle |
Dendroctonus ponderosae |
cross section of trunk showing blue stain |
| 2252091 |
spruce beetle |
Dendroctonus rufipennis |
|
| 2252074 |
mountain pine beetle |
Dendroctonus ponderosae |
aerial view |
| 0014163 |
Ips engraver beetles |
Ips spp. |
mechanical root injury predisposing for attack |
| 0014308 |
southern pine beetle |
Dendroctonus frontalis |
blue stain in sapwood of pine killed by beetle |
| 0014213 |
southern pine beetle |
Dendroctonus frontalis |
boring dust |
| 0014225 |
southern pine beetle |
Dendroctonus frontalis |
boring dust |
| 1879080 |
Ips engraver beetles |
Ips spp. |
early gallery formation with bark removed. Note adult in gallery at pointer. |
| 2716114 |
Ips engraver beetles |
Ips spp. |
pitch tube |
| 4798002 |
small southern pine engraver |
Ips avulsus |
|
| 1669049 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tube, with half dollar for size comparison |
| 0284018 |
southern pine beetle |
Dendroctonus frontalis |
spot adjacent to infested logs on loading deck |
| 3227023 |
mountain pine beetle |
Dendroctonus ponderosae |
panoramic view - Vail, Colorado |
| 4178009 |
southern pine beetle |
Dendroctonus frontalis |
pitch tube with beetle stuck in pitch. Note boring dust below pitch tube. |
| 4178048 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tube |
| 4178049 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tube |
| 2721038 |
sixspined ips |
Ips calligraphus |
pitch tube with US dime for size comparison |
| 2721029 |
Ips engraver beetles |
Ips spp. |
Pitch tube with dime for size comparison |
| 2252078 |
mountain pine beetle |
Dendroctonus ponderosae |
close-up of pitch tube |
| 2252082 |
mountain pine beetle |
Dendroctonus ponderosae |
pitch tubes on tree trunk |
| 2252088 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
series of entrance holes on tree bole with boring dust visible on bark |
| 2254028 |
western balsam bark beetle |
Dryocoetes confusus |
showing red top trees in stand |
| 3225083 |
larger pine shoot beetle |
Tomicus piniperda |
infested tips |
| 0745053 |
southern pine beetle |
Dendroctonus frontalis |
cut log showing blue stain |
| 0745060 |
southern pine beetle |
Dendroctonus frontalis |
adult on pitch tube |
| 0745061 |
southern pine beetle |
Dendroctonus frontalis |
pitch tube and adult |
| 0949006 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes |
| 0949007 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tubes |
| 0949008 |
black turpentine beetle |
Dendroctonus terebrans |
fan-shaped or D shaped areas under bark; gregarious feeding habit of larvae |
| 0949009 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes on loblolly pine |
| 0949001 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes on Spruce pine |
| 0949003 |
southern pine beetle |
Dendroctonus frontalis |
attacking slash pine |
| 1929032 |
black turpentine beetle |
Dendroctonus terebrans |
pitch tube |
| 1748066 |
southern pine beetle |
Dendroctonus frontalis |
spot on hillside |
| 1748062 |
southern pine beetle |
Dendroctonus frontalis |
in urban interface |
| 1748063 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes |
| 1678045 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
boring dust on log |
| 1678053 |
spruce beetle |
Dendroctonus rufipennis |
timber killed by the beetle |
| 1669051 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes |
| 0805005 |
spruce beetle |
Dendroctonus rufipennis |
frass |
| 0805010 |
spruce beetle |
Dendroctonus rufipennis |
woodpecker activity |
| 0805013 |
northern spruce engraver |
Ips perturbatus |
frass on bark |
| 0590092 |
southern pine beetle |
Dendroctonus frontalis |
infestation in urban setting |
| 0284020 |
southern pine beetle |
Dendroctonus frontalis |
pitch tubes |
