| 1309007 |
oak rough bulletgall wasp |
Disholcaspis quercusmamma |
Galls, Fort Collins, CO. |
| 2122049 |
poplar twiggall fly |
Hexomyza schineri |
Galls, Fort Collins, CO. |
| 2122020 |
cooley spruce gall adelgid |
Adelges cooleyi |
Gall |
| 2122021 |
cooley spruce gall adelgid |
Adelges cooleyi |
Gall. Fort Collins, CO |
| 3943079 |
Asian chestnut gall wasp |
Dryocosmus kuriphilus |
Galls on branches |
| 5466861 |
spruce beetle |
Dendroctonus rufipennis |
|
| 5466860 |
spruce beetle |
Dendroctonus rufipennis |
|
| 5466857 |
spruce beetle |
Dendroctonus rufipennis |
|
| 5466790 |
elm leaf beetle |
Xanthogaleruca luteola |
|
| 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 |
|
| 5461631 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 5461557 |
eucalyptus weevil |
Gonipterus scutellatus |
|
| 5461632 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 5461629 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 5461630 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 1587050 |
spruce beetle |
Dendroctonus rufipennis |
spruce beetle mortality |
| 1587031 |
pine engraver |
Ips pini |
PP topkilled by Ips pini |
| 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. |
| 1546001 |
small southern pine engraver |
Ips avulsus |
Upper crown of longleaf pine killed by Ips avulsus. |
| 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. |
| 5382388 |
Ponderosa pine needleminer |
Coleotechnites ponderosae |
Damage to foliage |
| 5382389 |
Ponderosa pine needleminer |
Coleotechnites ponderosae |
Mined foliage |
| 5382468 |
Ponderosa pine needleminer |
Coleotechnites ponderosae |
discoloration due to needle mining |
| 5382469 |
Ponderosa pine needleminer |
Coleotechnites ponderosae |
discoloration due to needle mining |
| 5382470 |
Ponderosa pine needleminer |
Coleotechnites ponderosae |
discoloration due to needle mining |
| 3948068 |
flatheaded or metallic wood borer |
|
Flatheaded wood borer (Family Buprestidae) in stem, Blue Nile Valley. |
| 3948070 |
long-horned beetles |
|
Roundheaded wood borer (Family Cerambycidae) in stem of Acacia nilotica, Blue Nile Valley. |
| 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. |
| 1254023 |
white pine weevil |
Pissodes strobi |
Dead leader in young Engelmann spruce |
| 5382346 |
large aspen tortrix |
Choristoneura conflictana |
Aerial view of defoliation of aspen caused by the large aspen tortix |
| 5382347 |
large aspen tortrix |
Choristoneura conflictana |
Aspens defoliated by large aspen tortix |
| 5382380 |
large aspen tortrix |
Choristoneura conflictana |
Defoliation of quaking aspen |
| 5382393 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Aerial view of tree mortality |
| 5382394 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Aerial view of tree mortality |
| 5382396 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
|
| 5382397 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Aerial view of tree mortality |
| 5382398 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Aerial view of defoliation |
| 5382405 |
western pine beetle |
Dendroctonus brevicomis |
Galleries |
| 5382433 |
honeylocust leafhopper |
Macropsis fumipennis |
Insects and damage to foliage |
| 5382406 |
western pine beetle |
Dendroctonus brevicomis |
Tree mortality adjacent to old burn |
| 5382412 |
fall webworm |
Hyphantria cunea |
Aerial view of tents and defoliation |
| 5382413 |
fall webworm |
Hyphantria cunea |
Aerial view of defoliation and tents |
| 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 |
| 5382500 |
western spruce budworm |
Choristoneura freemani |
Defoliation of Engelmann spruce and subalpine fir |
| 5382501 |
western spruce budworm |
Choristoneura freemani |
Heavy defoliation of Engelmann spruce and subalpine fir |
| 5382502 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation of mixed conifers. |
| 0017001 |
spiny caterpillar |
Ormiscodes cinnamomea |
defoliation |
| 0017005 |
nun moth |
Lymantria monacha |
defoliation |
| 0017006 |
nun moth |
Lymantria monacha |
defoliation to understory |
| 0017010 |
Mediterranean pine engraver beetle |
Orthotomicus erosus |
Pinus brutia killed by Mediterranean pine beetle, Turkish Cyprus |
| 0017013 |
pine processionary moth |
Thaumetopoea pityocampa |
Defoliation by early instar larvae |
| 0017015 |
pine processionary moth |
Thaumetopoea pityocampa |
heavy defoliation |
| 0017020 |
Masson pine caterpillar |
Dendrolimus punctatus |
defoliation |
| 0017024 |
Sirex woodwasp |
Sirex noctilio |
Exit holes |
| 0017040 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of tree mortality |
| 0017041 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of tree mortality in plantations |
| 0017042 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of tree mortality in pine plantations |
| 0017043 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of tree moratlity in a pine plantation |
| 0017044 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of tree mortality in pine plantation |
| 0017045 |
Sirex woodwasp |
Sirex noctilio |
|
| 0017046 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of tree mortality in a pine plantation |
| 0017062 |
Sirex woodwasp |
Sirex noctilio |
Aerial view of plantation with low level of tree mortality |
| 0017069 |
Sirex woodwasp |
Sirex noctilio |
Plantation harvested because of heavy damage. |
| 0017070 |
Sirex woodwasp |
Sirex noctilio |
Plantation harvested because of heavy damage. |
| 0758019 |
oak rough bulletgall wasp |
Disholcaspis quercusmamma |
Galls on branches of bur oak |
| 0758020 |
cooley spruce gall adelgid |
Adelges cooleyi |
Green gall with nymphs |
| 0758022 |
western spruce budworm |
Choristoneura freemani |
Damage to new growth on grand fir |
| 0758035 |
gypsy moth |
Lymantria dispar |
Oak mortality due to repeated defoliation by gypsy moth |
| 0758037 |
gypsy moth |
Lymantria dispar |
Color infrared aerial photo taken froma U-2 aircraft showing defoliation by gypsy moth |
| 0758038 |
gypsy moth |
Lymantria dispar |
Color infrared aerial photo taken from a U-2 showing heavy defoliation by gypsy moth |
| 0758083 |
beech scale |
Cryptococcus fagisuga |
Beech tree with chlorotic foliage, a symptom of beech bark disease. |
| 0758084 |
beech scale |
Cryptococcus fagisuga |
Close up of scale insect, Cryptococcus fagisuga on beech bark. |
| 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. |
| 0758119 |
elm spanworm |
Ennomos subsignaria |
Defoliation on mountain slope. |
| 0758120 |
walkingstick |
Diapheromera femorata |
Aerial view of defoliation of hardwoods at Winding Stair Mountain |
| 0758121 |
walkingstick |
Diapheromera femorata |
Aerial view of defoliation of hardwood forests at Winding Stair Mountain |
| 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 |
| 1254024 |
western spruce budworm |
Choristoneura freemani |
Defoliation on young grand fir, Mt. Hood NF, OR |
| 5382504 |
western tent caterpillar |
Malacosoma californicum |
Heavy defoliation |
| 5382497 |
western balsam bark beetle |
Dryocoetes confusus |
Aerial view of tree mortality |
| 5382444 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of attacks in both lodgepole pines (red-orange) and ponderosa pines (yellow) |
| 5382445 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality in ponderosa and lodgepole pines, near Glen Haven |
| 5382446 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality. Note differences in attack density by tree size
|
| 5382447 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality, Colorado State Forest |
| 5382448 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality, Tennessee Mountain |
| 5382449 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality, Tennessee Mountain |
| 5382450 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of a large spot, Woodland Mountain |
| 5382451 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of a large spot, Woodland Mountain |
| 5176078 |
flatheaded or metallic wood borer |
|
Twig mortality caused by a twig borer of the family Buprestidae on coigue, Nothofagus dombeyi, VIII Region, Chile |
| 5176079 |
flatheaded or metallic wood borer |
|
Twig mortality on Coigue, Nothofagus dombeyi, caused by an unknown twig borer of the family Buprestidae, VIII Region, Chile |
| 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 |
| 5346005 |
large aspen tortrix |
Choristoneura conflictana |
Rolled leaf containing larva, Culebra Range, CO, July 2007 |
| 5346041 |
western spruce budworm |
Choristoneura freemani |
Close up of bud damage and defoliation of new growth |
| 5346044 |
western tent caterpillar |
Malacosoma californicum |
Complete defoliation of aspen, Culebra Range, CO, July 2007 |
| 5346048 |
western tent caterpillar |
Malacosoma californicum |
Defoliaton of aspen, Mousca Pass, Sangre de Cristo Range, Colorado, July 2007 |
| 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. |
| 0758247 |
pandora moth |
Coloradia pandora |
Heavy defoliation of ponderosa pine |
| 0758248 |
pandora moth |
Coloradia pandora |
Heavy defoliation of ponderosa pine forests |
| 5135053 |
pinyon ips |
Ips confusus |
Aerial survey 2006; Aerial view of damage, near Canon City, CO |
| 5135078 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Defoliation in urban area near Aspen Park, CO |
| 5135082 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Partial defoliation of Douglas-fir, North turkey Creek near Aspen Park, CO |
| 5135083 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Partial defoliation of Douglas-fir, North Turkey Creek near Aspen Park, CO |
| 5136002 |
pine tussock moth |
Dasychira grisefacta |
Defoliation, western Nebraska |
| 5136003 |
pine tussock moth |
Dasychira grisefacta |
Defoliation, |
| 5136004 |
pine tussock moth |
Dasychira grisefacta |
Defoliation, western NE |
| 5136005 |
pine tussock moth |
Dasychira grisefacta |
Defoliation, western NE |
| 5136006 |
pine tussock moth |
Dasychira grisefacta |
Defoliation, western NE |
| 5136007 |
pine tussock moth |
Dasychira grisefacta |
Defoliation, western NE |
| 5136008 |
pine tussock moth |
Dasychira grisefacta |
Needle damage, western NE |
| 5136090 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO |
| 5136091 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Sangre de Cristo Range, CO |
| 5136099 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO |
| 5136100 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO |
| 5137001 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Mosca pass, Sangre de Cristo Range, CO |
| 5137002 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO |
| 5137003 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation, Mosca Pass, Sangre de Cristo Range, CO. |
| 2167040 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation; 2006 |
| 2167041 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation; 2006 |
| 2167042 |
western tent caterpillar |
Malacosoma californicum |
Aerial view of defoliation; 2006 |
| 2167003 |
balsam woolly adelgid |
Adelges piceae |
Gout on Fraser fir |
| 2167004 |
ocellate gall midge |
Acericecis ocellaris |
|
| 2167005 |
balsam woolly adelgid |
Adelges piceae |
gout on Fraser fir |
| 2167006 |
balsam woolly adelgid |
Adelges piceae |
Gout on Fraser fir |
| 2167007 |
balsam woolly adelgid |
Adelges piceae |
gout on Fraser fir |
| 2167008 |
balsam woolly adelgid |
Adelges piceae |
Gout on Fraser fir |
| 2167009 |
balsam woolly adelgid |
Adelges piceae |
Gout on Fraser fir |
| 2167018 |
hemlock woolly adelgid |
Adelges tsugae |
Infested foliage |
| 2167019 |
hemlock woolly adelgid |
Adelges tsugae |
Infested foliage, |
| 2167023 |
hemlock woolly adelgid |
Adelges tsugae |
Infested foliage |
| 1241598 |
larch casebearer |
Coleophora laricella |
Defoliation of western larch, Idaho Panhandle National Forest, ID |
| 2252094 |
pine engraver |
Ips pini |
|
| 0758159 |
western spruce budworm |
Choristoneura freemani |
Defoliation of new shoots |
| 0758170 |
western spruce budworm |
Choristoneura freemani |
Defoliation |
| 0758082 |
beech scale |
Cryptococcus fagisuga |
Bark of American beech with symptoms of beech bark disease. |
| 2122028 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Aerial view of defoliation near Aspen Park, CO |
| 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. |
| 2122056 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation in upscale housing development, Bear Mountain, near Evergreen, CO |
| 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 |
| 1248030 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Aerial view of defoliation in Douglas-fir near Aspen Park, 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 |
| 1248038 |
blue spruce engraver |
Ips hunteri |
Top kill caused by a spruce engraver beetle, Ips hunteri, Fort Collins, CO |
| 1248034 |
pinyon ips |
Ips confusus |
|
| 1244004 |
giant conifer aphids |
Cinara spp. |
Hedge with damage, Concha y Toro Winery near Santiago, Chile |
| 1244014 |
giant conifer aphids |
Cinara spp. |
Reserva Natural Yerba Loca, Region Metropolitana, Chile. |
| 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. |
| 1254030 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Heavy defoliation of grand fir and Douglas fir, Wallowa Whitman NF, OR. |
| 1254034 |
western tent caterpillar |
Malacosoma californicum |
Tent and defoliation on quaking aspen, Roosevelt NF, CO. |
| 1254035 |
conifer sawflies |
Neodiprion spp. |
Defoliation, Ochoco NF, OR. |
| 1254039 |
brownheaded ash sawfly |
Tomostethus multicinctus |
Boulder, CO. |
| 1254041 |
elm leaf beetle |
Xanthogaleruca luteola |
Fort Collins, CO. |
| 1254056 |
cooley spruce gall adelgid |
Adelges cooleyi |
Fort Collins, CO. |
| 1254082 |
aspen leafminer |
Phyllocnistis populiella |
Leaf mining, Roosevelt NF, 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. |
| 1307018 |
pineapple mealybug |
Dysmicoccus brevipes |
Group of young Casuarina equisetifolia killed by root infestation of Dysmicoccus brevipes, north of Mombasa, Kenya. |
| 1232002 |
pine processionary moth |
Thaumetopoea pityocampa |
Heavy defoliation and tent of mature larvae |
| 1232008 |
pine processionary moth |
Thaumetopoea pityocampa |
Tent and heavy defoliation on young pine |
| 1232009 |
pine processionary moth |
Thaumetopoea pityocampa |
Heavy defoliation in a young pine plantation, northern Cyprus |
| 1232010 |
pine processionary moth |
Thaumetopoea pityocampa |
Heavy defoliation and tents, northern Cyprus |
| 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. |
| 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. |
| 3943083 |
chestnut weevil |
Mecorhis cumulatus |
Damage to branch containing chestnut burrs by adult feeding. |
| 3943085 |
butterflies, moths or skippers |
Lepidoptera (Order) N/A |
Frass and webbing on chestnut burr indicative of borer attack. |
| 3943086 |
butterflies, moths or skippers |
Lepidoptera (Order) N/A |
Discoloed chestnut burr indicative of attack by a lepidopterous borer. |
| 3948030 |
pine processionary moth |
Thaumetopoea pityocampa |
Pyrennes Mountains |
| 3948058 |
seed chalcid |
Megastigmus spp. |
Exit holes on juniper berries, Ziarat Forest. |
| 3948084 |
eastern juniper bark beetle |
Phloeosinus bicolor |
Boring dust on windthrown juniper, Krisia Forest |
| 3948003 |
cypress aphid |
Cinara cupressivora |
Cypress hedge damaged by cypress aphid infestation. |
| 3948004 |
cypress aphid |
Cinara cupressivora |
Damage to cypress plantation near Muguga. |
| 3948005 |
cypress aphid |
Cinara cupressivora |
|
| 3948006 |
cypress aphid |
Cinara cupressivora |
Damage to a forest plantation. |
| 3948007 |
cypress aphid |
Cinara cupressivora |
|
| 3948011 |
cypress aphid |
Cinara cupressivora |
Damage to mature plantation, Rift Valley Escarpment. |
| 3948012 |
cypress aphid |
Cinara cupressivora |
Feeding damage on indigenous juniper, lower slopes of Mount Kenya. |
| 3948014 |
cypress aphid |
Cinara cupressivora |
Aerial view of tree mortality in cypress plantation near Eldoret |
| 1428083 |
white pine weevil |
Pissodes strobi |
leader damage at. |
| 1428087 |
mountain pine beetle |
Dendroctonus ponderosae |
Group of ponderosa pines killed by mountain pine beetle. |
| 1428103 |
European elm scale |
Eriococcus spuria |
on the Colorado State University campus covered with black sooty mold indicative of infestation by European elm scale. |
| 1428106 |
southwestern tent caterpillar |
Malacosoma incurvum |
Tents, southern Utah |
| 1428107 |
southwestern tent caterpillar |
Malacosoma incurvum |
tents in southern Utah |
| 1428108 |
southwestern tent caterpillar |
Malacosoma incurvum |
tents and defoliation in southern Utah |
| 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. |
| 2912018 |
pineapple mealybug |
Dysmicoccus brevipes |
group tree mortality caused by the root infesting scale insect, Africa |
| 3943008 |
leucaena psyllid |
Heteropsylla cubana |
Heavy damage, Curieuse Island |
| 3943011 |
termites |
|
tubes, Green Belt |
| 3943016 |
Oriental scale |
Aonidiella orientalis |
Heavy damage |
| 3943049 |
Nantucket pine tip moth |
Rhyacionia frustrana |
Attack in pine tip near Puerto Cabezas. |
| 1428021 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Aerial view of defoliation near San Felipe del Progresso |
| 1428022 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Aerial view of defoliation near San Felipe del Progresso |
| 1428023 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Aerial view of defoliation near San Felipe del Progresso. |
| 1428024 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Defoliation of sacred fir near San Felipe del Progresso. |
| 1428025 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Defoliation near San Felipe del Progresso. |
| 1428026 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Defoliation near San Felipe del Progresso. |
| 1428029 |
sacred fir looper |
Evita hyalinaria hyalinaria |
Aerial view of defoliation near San Felipe del Progresso. |
| 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. |
| 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 |
| 0758157 |
fir engraver |
Scolytus ventralis |
Trees attacked by Scolytus ventralis showing variety of attack patterns: top kill, branch attacks and total tree kill. |
| 3948015 |
cypress aphid |
Cinara cupressivora |
Aerial view of cypress hedge around homestead killed by cypress aphid. This type of damage poses a high risk of fire damage. |
| 3948029 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Logs imported from the US for construction of a buddhist temple and infested with Douglas-fir beetle. |
| 2252030 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Aerial view of defoliation |
