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William M. Ciesla's Images

Title: Owner
Organization: Forest Health Management International
Unit: Fort Collins, CO.
Country: United States

Bill Ciesla is a forest health specialist and owner of Forest Health Management International, a consulting company based in Fort Collins, CO. Bill received his undergraduate and graduate degrees in forestry and forest entomology from the State University of New York, College of Environmental Science and Forestry at Syracuse University, Syracuse, NY. He has held assignments with USDA Forest Service as a forest entomologist and forest health program manager in Asheville, NC, Pineville, LA, Missoula, MT, Davis, CA, Fort Collins, CO and Portland, OR. From 1990 to 1995, he served as Forest Protection Officer for the Food and Agriculture Organization in Rome, Italy. His areas of interest include biology and management of forest insects and diseases and the use of remote sensing for forest damage assessment Bill is an avid photographer, specializing in close ups of insects and wildflowers and of forest damage.
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542 Images of 132 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5466812 pine tortoise scale Toumeyella parvicornis
5466813 pine tortoise scale Toumeyella parvicornis
0758244 Douglas-fir beetle Dendroctonus pseudotsugae Summary of tree and volume loss estimates for a Douglas-fir beetle outbreak in the North Fork Clearwater River drainage, ID based on aerial photo and ground surveys.
0758231 forest tent caterpillar Malacosoma disstria Map made of defoliation by forest tent caterpillar relative to experimental spray blocks, Mobile River Basin, AL.
0758240 Douglas-fir beetle Dendroctonus pseudotsugae Map of land ownerships in the area affected by the 1971-73 Douglas-fir beetle outbreak in the North Fork Clearwater River area.
0758241 Douglas-fir beetle Dendroctonus pseudotsugae Map showing location of aerial photo and ground sample plots used to assess the 1971 Douglas-fir beetle outbreak in the North Fork Clearwater River drainage, ID.
0758242 Douglas-fir beetle Dendroctonus pseudotsugae Regression lines of aerial photo vs ground counts of number of trees and volume affected, 1971 Douglas-fir beetle outbreak, North Fork Clearwater River, ID.
0758243 Douglas-fir beetle Dendroctonus pseudotsugae Estimates of number of trees and volume lost due to two years of Douglas-fir beetle infestation based on aerial photo/ground surveys, North Fork Clearwater River, ID.
2122049 poplar twiggall fly Hexomyza schineri Galls, Fort Collins, CO.
3943079 Asian chestnut gall wasp Dryocosmus kuriphilus Galls on branches
5466851 spruce beetle Dendroctonus rufipennis
5466852 spruce beetle Dendroctonus rufipennis
5466853 spruce beetle Dendroctonus rufipennis
5466844 spruce beetle Dendroctonus rufipennis
5466861 spruce beetle Dendroctonus rufipennis
5466860 spruce beetle Dendroctonus rufipennis
5466807 oleander aphid Aphis nerii
5466847 spruce beetle Dendroctonus rufipennis callow adults
5466848 spruce beetle Dendroctonus rufipennis Callow adults
5466823 mountain pine beetle Dendroctonus ponderosae
5466820 mountain pine beetle Dendroctonus ponderosae
5466821 mountain pine beetle Dendroctonus ponderosae
5466795 pinyon ips Ips confusus
5466796 pinyon ips Ips confusus
5466797 Ips engraver beetles Ips spp.
5466792 pinyon ips Ips confusus
5466793 pinyon ips Ips confusus
5466794 pinyon ips Ips confusus
5466805 oleander aphid Aphis nerii
5466809 long-horned beetle Leptura propinqua
5466771 giant conifer aphids Cinara spp.
5466768 giant conifer aphids Cinara spp.
5466770 giant conifer aphids Cinara spp.
5466857 spruce beetle Dendroctonus rufipennis
5466810 widow skimmer Libellula luctuosa
5466811 widow skimmer Libellula luctuosa
5466790 elm leaf beetle Xanthogaleruca luteola
5466872 western spruce budworm Choristoneura freemani
5466866 western spruce budworm Choristoneura freemani
5466867 western spruce budworm Choristoneura freemani
5466868 western spruce budworm Choristoneura freemani
5466869 western spruce budworm Choristoneura freemani
5466870 western spruce budworm Choristoneura freemani
5466766 american ermine moth Yponomeuta multipunctella
5466767 american ermine moth Yponomeuta multipunctella
5466722 eastern tent caterpillar Malacosoma americanum tent
5466719 eastern tent caterpillar Malacosoma americanum
5466720 eastern tent caterpillar Malacosoma americanum
5466700 loopers Chrysodeixis spp.
5466726 speckled green fruitworm Orthosia hibisci
5461561 armored scales Leucaspis spp.
5461649 European spruce bark beetle Ips typographus parasitized
5461638 European spruce bark beetle Ips typographus
5461636 European spruce bark beetle Ips typographus exit holes
5461635 European spruce bark beetle Ips typographus
5461631 horse chestnut leafminer Cameraria ohridella
5461558 eucalyptus weevil Gonipterus scutellatus
5461629 horse chestnut leafminer Cameraria ohridella
5461630 horse chestnut leafminer Cameraria ohridella
1546169 checkered beetle Thanasimus dubius Larva of the predator clerid (probably Thanasimus dubius) working through the galleries bored by the southern pine beetle, Dendroctonus frontalis, searching for prey.
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.
1274016 Tetrio sphinx Pseudosphinx tetrio This insect is a common defoliator of frangipani and also reportedly occurs in the extreme southern United States (southern LA, TX, AZ and FL.). Plymouth, Tobago (Trinidad and Tobago). 2nd place in the 2004 Southern Forest Insect Work Conference Photo Salon in the category of Forest Insects.
1546194 southern pine beetle Dendroctonus frontalis aerial view of a southern pine beetle infestation
1254018 red-legged buprestis Buprestis rufipes
5382464 cicada Platypedia putnami
5382443 mountain pine beetle Dendroctonus ponderosae Aerial view of fresh attacks in ponderosa pine amid older dead lodgepole pines, Colorado State Forest
5382395 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of tree mortality
0758012 crimson patched longwing Heliconius erato petiverana Adult at rest on foliage
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
5382390 long-horned beetle Cosmosalia nigrolineata on cow parsnip
5382391 long-horned beetle Cosmosalia nigrolineata on cow parsnip
5382425 crimson-patched longwing Heliconius erato
5382458 western tiger swallowtail Papilio rutulus on milkweed flower
5382465 cicada Platypedia putnami on mountain mahogany
5382466 cicada Platypedia putnami on mountain mahogany
5382467 cicada Platypedia putnami on mountain mahogany
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
5382484 northwest fritillary Speyeria hesperis on Rocky Mountain bee plant
5382485 northwest fritillary Speyeria hesperis on Rocky Mountain bee plant
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.
0758018 tomato hornworm Manduca quinquemaculata Mature larva feeding on foliage
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.
1254022 white pine weevil Pissodes strobi
5382346 large aspen tortrix Choristoneura conflictana Aerial view of defoliation of aspen caused by the large aspen tortix
5382355 boxelder bug Boisea trivittata
5382356 boxelder bug Boisea trivittata
5382357 boxelder bug Boisea trivittata Large mass of nymphs and adults
5382359 boxelder bug Boisea trivittata Adults and nymphs
5382360 boxelder bug Boisea trivittata Adults and nymphs
5382361 boxelder bug Boisea trivittata Adults and nymphs
5382362 boxelder bug Boisea trivittata
5382375 Say stink bug Chlorochroa sayi Adult on milkweed
5382377 large aspen tortrix Choristoneura conflictana Mature larva
5382378 large aspen tortrix Choristoneura conflictana
5382379 large aspen tortrix Choristoneura conflictana
5382381 large aspen tortrix Choristoneura conflictana Mature larva
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
5382400 Julia Heliconian Dryas julia
5382405 western pine beetle Dendroctonus brevicomis Galleries
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
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
5382490 red-femured milkweed borer Tetraopes femoratus Adult on milkweed
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.
1254027 western spruce budworm Choristoneura freemani
1254028 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass
0017002 spiny caterpillar Ormiscodes cinnamomea mature larva (Note clusters of ectoparasitoides on body)
0017019 Masson pine caterpillar Dendrolimus punctatus egg masses
0017022 Sirex woodwasp Sirex noctilio male
0017023 Sirex woodwasp Sirex noctilio and larval tunnels
0017024 Sirex woodwasp Sirex noctilio Exit holes
0017027 Sirex woodwasp Sirex noctilio Perti dish containing a culture of a parasitic nematode used for bio control.
0017034 Sirex woodwasp Sirex noctilio Aero Boero aircraft used for aerial sketchmapping of damage
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
0017052 Sirex woodwasp Sirex noctilio Row thinned plantations
0017069 Sirex woodwasp Sirex noctilio Plantation harvested because of heavy damage.
0017070 Sirex woodwasp Sirex noctilio Plantation harvested because of heavy damage.
0017077 Sirex woodwasp Sirex noctilio Erik Johnson, USDA Forest Service R-2 and Yeda Oliviera, EMBRAPA reviewing an aerial survey map of Sirex noctilio damage; EMBRAPA headquarters
0017078 Sirex woodwasp Sirex noctilio Erik Johnson, USDA Forest Service R-2 and Yeda Oliviera, EMBRAPA reviewing an aerial survey map of Sirex noctilio damage; EMBRAPA headquarters
0758002 pandora moth Coloradia pandora Mature larvae feeding on ponderosa pine foliage
0758008 whitespotted sawyer Monochamus scutellatus on stem
0758019 oak rough bulletgall wasp Disholcaspis quercusmamma Galls on branches of bur oak
0758013 painted lady butterfly Vanessa cardui Adult at rest on leaves of apple
0758015 white-lined sphinx Hyles lineata Pair of moths mating
0758016 tiger moth Lophocampa ingens Close up of larval colony
0758017 black swallowtail Papilio polyxenes Mature larva feeding on parsnip foliage
0758020 cooley spruce gall adelgid Adelges cooleyi Green gall with nymphs
0758029 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758031 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
0758033 gypsy moth Lymantria dispar Defoliation of oaks and other broadleaf trees
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
0758040 gypsy moth Lymantria dispar A photo interpreter classifies defoliation caused by gypsy moth on panoramic aerial photos taken from a U-2 and transfers data to a map base.
0758045 gypsy moth Lymantria dispar Color infrared aerial photo of defoliation, taken froma U-2 aircraft
0758046 gypsy moth Lymantria dispar Color infrared aerial photo taken from a U-2 aircraft showing defoliation by gypsy moth. Outlined area was sprayed for gypsy moth control.
0758047 gypsy moth Lymantria dispar Color infrared aerial photo taken from a U-2 showing defoliation by gypsy moth. Outlined area was protected by aerial sprays.
0758048 gypsy moth Lymantria dispar GIS displays of defoliation and areas treated with aerial sprays.
0758056 gypsy moth Lymantria dispar Color infrared aerial photo taken with a U-2 over central PA showing extensive areas of oak mortality due to successive defoliation
0758060 gypsy moth Lymantria dispar Chuck Dull, USDA Forest Service, annotates color infrared panoramic aerial photos of gypsy moth infestation area in the eastern U.S.
0758061 gypsy moth Lymantria dispar A technician annotates color infrared aerial photos taken from a U-2 aircraft of gypsy moth defoliation.
0758062 gypsy moth Lymantria dispar Test site in South PA, MD and WV where an assessment of ability to map defoliation from SPOT satellite imagery.
0758063 gypsy moth Lymantria dispar SPOT satellite image showing defoliation caused by gypsy moth (dark areas).
0758064 gypsy moth Lymantria dispar Color IR photo taken from a U-2 aircraft of gypsy moth defoliation used as reference data against which to compare SPOT classification of defoliation.
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
0758108 Ips engraver beetles Ips spp. Logs at a rail siding provide a source of beetles that have subsequently attacked standing trees.
0758114 forest tent caterpillar Malacosoma disstria Aerial view of defoliation of water tupelo.
0758115 forest tent caterpillar Malacosoma disstria Aerial view of defoliation of water tupelo
0758116 forest tent caterpillar Malacosoma disstria Aerial view of defoliation of water tupelo, Note - greenstrips are areas of mixed hardwood forest, a less favored host of this insect.
0758117 forest tent caterpillar Malacosoma disstria Aerial view of defoliation
0758118 forest tent caterpillar Malacosoma disstria Aerial view of defoliation.
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
0758125 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Black Hills N.F., SD. This photo shows mortality caused by two generations of this insect. The yellow-green crown were attacked the previous year and the reddish brown crowns were attacked two years ago.
0758126 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality.
0758130 mountain pine beetle Dendroctonus ponderosae Aerial view of severe tree mortality in lodgepole pine
0758132 mountain pine beetle Dendroctonus ponderosae Heavy infestation, Dark red crowns are lodgepole pines and yellow-orange crowns are ponderosa pines.
0758133 mountain pine beetle Dendroctonus ponderosae Heavy infestation, Dark red colored crowns are lodgepole pine and the yellow-orange crowns are 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
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
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
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
1254014 sawyer beetles Monochamus spp. Mature larva
1254016 blackhorned pine borer Callidium antennatum hesperum Adult and exit hole
1254017 flatheaded or metallic wood borer Mature larva
1254019 flatheaded or metallic wood borer Adult on limb, Ochoco NF, OR.
1254021 bronze birch borer Agrilus anxius Galleries in cambium layer of an ornamental birch, Fort Collins, CO.
1254025 western spruce budworm Choristoneura freemani Young larva in shoot
5382503 western tent caterpillar Malacosoma californicum Heavy defoliation on bitterbrush
5382504 western tent caterpillar Malacosoma californicum Heavy defoliation
5382505 western tent caterpillar Malacosoma californicum Defoliation of aspen
5382506 western tent caterpillar Malacosoma californicum Larval colony on mountain mahogany
5382507 western tent caterpillar Malacosoma californicum Larval colony on mountain mahogany
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
0758197 loblolly pine sawfly Neodiprion taedae linearis Color aerial photo of mixed pine and hardwood forests. A portion of the pine forest is defoliated by a pine sawfly, Neodiprion taedae linearis.
0758200 Douglas-fir tussock moth Orgyia pseudotsugata Color infrared oblique aerial photo of a forested area infested by Douglas-fir tussock moth. A portion of the area near photo center has been treated with nuclearpolyhedrosis virus for tussock moth control.
2134025 snout beetles or weevils Heavy attack of ambrosia beetle in down tree
2134037 long-horned grasshopper camophlaged against green foliage
5135089 long-horned beetle Adesmus hemispilus When the adults of this species are killed and preserved in a collection, they loose their yellow color and turn dull gray.
5347036 whites and sulfur butterfiles Sulphur butterfly; species unknown; Adult on thistle, Blue Ridge Parkway, NC, October 2008
2122030 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case, near Aspen Park, CO
2122031 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case on ponderosa pine, near Aspen park, CO, December 2005
2134034 white-striped longtail Chiodes albofasciatus Adult at rest on foliage, Baja California Sur, Mexico, December 2005
5346005 large aspen tortrix Choristoneura conflictana Rolled leaf containing larva, Culebra Range, CO, July 2007
5346007 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346008 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346009 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346010 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Bear Creek, South Platte River Basin, CO, August 2007
5346011 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of heavy defoliation, Santa Clara Canyon, Santa Clara Indian Reservation, NM, July 2007
5346012 fir engraver Scolytus ventralis Aerial view of tree mortality, Carson National Forest, NM, July 2007
5346015 fall webworm Hyphantria cunea Aerial view of defoliation, Larimer Co, CO, August 2007
5346016 fall webworm Hyphantria cunea Aerial view of defoliation, Larimer Co, CO
5346017 fall webworm Hyphantria cunea Aerial view of defoliation, Larimer Co, CO, August 2007
5346018 pine engraver Ips pini Aerial view of tree mortality following fire damage, Carson NF, NM, July 2007
5346019 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Berthoud Pass, CO, July 2007
5346020 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Eldora Ski Area, Boulder Co, CO, August 2007
5346021 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Boulder Co, CO, August 2007
5346022 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Boulder Co, CO, August 2007
5346023 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Sange de Cristo Range, CO, July 2007
5346024 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Bear Lake, Rocky Mountain National Park, CO, August 2007
5346025 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Bear Lake, Rocky Mountain NP, CO, August 2007
5346026 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Colorado State Forest, CO, August 2007
5346027 mountain pine beetle Dendroctonus ponderosae Tree mortality near Long Draw Reservior,Roosevelt NF, CO, August 2007
5346028 mountain pine beetle Dendroctonus ponderosae Aerial view of tree mortality, Tennessee Mtn, Boulder Co, CO, August 2007
5346035 fir engraver Scolytus ventralis Aerial view of scattered tree mortality, Wet Mountains, Colorado, July 2007
5346036 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality, Rawah Range, CO, August 2007
5346037 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality caused by spruce beetle, Rawah Range, CO, August 2007
5346038 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality caused by spruce beetle, Rawah Range, CO, August 2007
5346039 spruce beetle Dendroctonus rufipennis Aerially view of old tree mortality, Rawah Range, Colorado, August 2007
5346040 western spruce budworm Choristoneura freemani Aerial view of defoliation, near La Veta Pass, Culebra Range, CO, July 2007
5346041 western spruce budworm Choristoneura freemani Close up of bud damage and defoliation of new growth
5346042 western spruce budworm Choristoneura freemani Aerial view of defoliation of Douglas-fir and white fir, Carson NF, NM, July 2007
5346043 western spruce budworm Choristoneura freemani Heavy defoliation of Subalpine fir and Engelmann spruce, Carson NF, July 2007
5346045 western tent caterpillar Malacosoma californicum Aerial view of defoliation of quaking aspen, Cucharas ski area, Culebra Range, CO, July 2007
5346046 western tent caterpillar Malacosoma californicum Defoliation of aspen, Culebra Range, San Isabel NF, CO, July 2007
5346047 western tent caterpillar Malacosoma californicum Defoliation of aspen, Mousca Pass, Sangre de Cristo Range, CO, July 2007
5346049 western tent caterpillar Malacosoma californicum Defoliation of aspen near Mousca Pass, Sangre de Cristo Range, CO, July 2007
5346050 western tent caterpillar Malacosoma californicum Aerial view of aspen defoliation, North Purgatory River, San Isabel National Forest, CO, July 2007
5346051 western tent caterpillar Malacosoma californicum Aerial view of defoliation of aspen, Sange de Cristo Range, Colorado, July 2007. Open swath is a recent avalance chute.
5346052 western tent caterpillar Malacosoma californicum Heavy defoliation of quaking aspen, North Purgatory River, San Isabel National Forest, CO
5346082 Douglas-fir tussock moth Orgyia pseudotsugata Left to Right: Female adult, egg-mass and pupal cases, Douglas Co,CO, August 2007
5346083 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva
5346085 Douglas-fir tussock moth Orgyia pseudotsugata
5346086 Douglas-fir tussock moth Orgyia pseudotsugata
5346087 Douglas-fir tussock moth Orgyia pseudotsugata Coccons on Douglas fir branches, Douglas Co, CO, August 2007
5346088 Douglas-fir tussock moth Orgyia pseudotsugata Cocoons on Douglas-fir branches, Douglas Co, CO, August 2007
5346089 western tent caterpillar Malacosoma californicum Larvae and tent on quaking aspen, San Isabel National Forest CO, July 2007
5346090 western tent caterpillar Malacosoma californicum Cocoons on aspen, San Isabel National Forest, CO, July 2007
5346091 western tent caterpillar Malacosoma californicum Cocoons on aspen, San Isabel National Forest, CO, July 2007
5346092 western tent caterpillar Malacosoma californicum Cocoons on willow, San Isabel NF, CO, July 2007
5346093 western tent caterpillar Malacosoma californicum Mature larvae on aspen twig, San Isabel National Forest, CO, July 2007
5346094 western tent caterpillar Malacosoma californicum Mature larva on old tent, San Isabel National Forest, CO, July 2007
5347024 locust borer Megacyllene robiniae Adult on goldenrod, Shenandoah NP, VA, September 2007
5346095 western tent caterpillar Malacosoma californicum Larvae on aspen twig, San Isabel NF, CO, July 2007
5346096 western tent caterpillar Malacosoma californicum Larvae on aspen twig, San Isabel National Forest, CO, July 2007
5346100 polyphemus moth Antheraea polyphemus Mature larva, Douglas Co, CO, August 2007
5347001 polyphemus moth Antheraea polyphemus Mature larva, Douglas Co, CO, August 2007
5347006 soldier beetles Chauliognathus spp. Adult on rabbit brush, Larimer County, CO, September 2007
5347008 soldier beetles Chauliognathus spp. Adult on rabbit brush, Larimer Co, CO.
5347010 monarch butterfly Danaus plexippus Adult on thistle, Blue Ridge Parkway, NC, September 2007
5347011 monarch butterfly Danaus plexippus Adult on thisle, Blue Ridge Parkway, NC, September 2007
5347012 monarch butterfly Danaus plexippus Adult on thistle, Blue Ridge Parkway, NC, September 2007
5347013 monarch butterfly Danaus plexippus Mature larva on milkweed, Shenadoah NP, VA, October 2007
5347014 monarch butterfly Danaus plexippus Mature larva on milkweed, Shenandoah NP, VA, October 2007
5347016 eastern tiger swallowtail Papilio glaucus Adult on thistle, Blue Ridge Parkway, NC, October 2007
5347022 gulf fritillary Agraulis vanillae Adult, Clingman's Dome, Great Smoky Mountains NP, TN, September 2007
5347027 Geometrid moth Nemoria diamesa Adult moth, San Isabel National Forest, CO, July 2007
5347028 Geometrid moth Nemoria diamesa Adult moth, San Isabel National Forest, CO, July 2007
5347029 large milkweed bug Oncopeltus fasciatus Adult, Larimer Co, CO, September 2007
5347030 large milkweed bug Oncopeltus fasciatus Adult, Larimer Co, CO, September 2007
5347037 painted lady butterfly Vanessa cardui Adult on aster, Big Meadows, Shenandoah NP, VA, October 2008
0758233 balsam woolly adelgid Adelges piceae Oblique color infrared aerial photo of tree mortality caused by balsam woolly adelgid, Roan Mountain, NC and TN.
0758235 Douglas-fir beetle Dendroctonus pseudotsugae Oblique color aerial photo of tree mortality
0758236 Douglas-fir beetle Dendroctonus pseudotsugae Oblique color aerial photo of a large infestation.
0758237 Douglas-fir beetle Dendroctonus pseudotsugae Oblique aerial photo of a large infestation.
0758238 Douglas-fir beetle Dendroctonus pseudotsugae Oblique aerial photo of tree mortality.
0758199 Douglas-fir tussock moth Orgyia pseudotsugata Color oblique aerial photo of a Douglas-fir forest infested by Douglas-fir tussock moth. A portion of this forest has been treated with a nuclearpolyhedrosis virus for control of this insect.
0758215 southern pine beetle Dendroctonus frontalis Color aerial photo of a large infestation
0758216 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo with a southern pine beetle infestation
0758217 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo showing placment of a 50 acre sample plot and stratification of host type for survey designed to estimate losses caused by southern pine beetle
0758219 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo showing a large southern pine beetle infestation
0758220 southern pine beetle Dendroctonus frontalis Vertical color infrared aerial photo of a large southern pine beetle infestation (yellow-green colored crowns at photo center)
0758221 southern pine beetle Dendroctonus frontalis Color infrared aerial photo of a large southern pine beetle infestation (yellow-green colored crowns).
0758222 southern pine beetle Dendroctonus frontalis Map of the Oak Ridge Atomic Energy Reservation, TN showing placement of aerial photo plots for estimating tree mortality caused by this insect.
0758226 forest tent caterpillar Malacosoma disstria Aerial view of heavy defoliation
0758228 forest tent caterpillar Malacosoma disstria Color infrared aerial photo of forest tent caterpillar defoliation
0758229 forest tent caterpillar Malacosoma disstria Color infrared aerial photo of forest tent caterpillar defoliation
0758232 balsam woolly adelgid Adelges piceae Oblique color aerial photo of trees dying as a result of balsam woolly adlegid infestation, Roan Mountain, NC and TN.
0758248 pandora moth Coloradia pandora Heavy defoliation of ponderosa pine forests
0758254 spruce beetle Dendroctonus rufipennis Color infrared aerial photo of tree mortality
0758255 mountain pine beetle Dendroctonus ponderosae Oblique color infrared aerial photo of tree mortality
0758256 mountain pine beetle Dendroctonus ponderosae Oblique color infrared aerial photo of mountain pine beetle caused tree mortality
0758257 mountain pine beetle Dendroctonus ponderosae Color vertical aerial photo showing benefits of thinning to reduce incidence of mountain pine beetle attack.
5175073 sawfly Cerospastus volupis Larvae on foliage, X Region, Chile
5175076 sawfly Cerospastus volupis Larval colony and defoliation, X Region, Chile
5135092 Salvin's clearwing Episcada salvinia Adult on foliage, near Iguazu Falls, Parana State, Brazil
5135093 cracker butterflies Hamadryas spp. Adult on rock, near Iguazu Falls, Parana State, Brazil
5135099 bicho de taquara Myelobia smerintha Morettes, Parana State, Brazil
5135100 bicho de taquara Myelobia smerintha Morettes, Parana State, Brazil
5136002 pine tussock moth Dasychira grisefacta Defoliation, western Nebraska
5136004 pine tussock moth Dasychira grisefacta Defoliation, western NE
5136007 pine tussock moth Dasychira grisefacta Defoliation, western NE
5136009 pine tussock moth Dasychira grisefacta Mature larva, 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
5136092 western tent caterpillar Malacosoma californicum Aerial view of defoliation, North Taylor Creek, Sangre de Cristo Range, CO
5136093 western tent caterpillar Malacosoma californicum Aerial view of defoliation, North Taylor Creek, Sangre di 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.
5137004 western tent caterpillar Malacosoma californicum Aerial view of defoliation, Sangre de Cristo Range, CO
5135038 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of Douglas-fir beetle infestation, Wet Mountains, CO
5135039 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view, Wet Mountains, CO
5135040 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of infestation, Wet Mountains, CO
5135042 Douglas-fir beetle Dendroctonus pseudotsugae Aerial view of infestation, Wet Mountains, CO
5135043 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO
5135044 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO
5135045 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation, Aspen Park, CO, 2006
5135047 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135048 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt National Forest, CO
5135049 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO.
5135050 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135051 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135052 spruce beetle Dendroctonus rufipennis Aerial view of damage, Rawah Range, Roosevelt NF, CO
5135054 pinyon ips Ips confusus Aerial survey 2006; Aerial view of damage, near Canon City CO, 2006
5135055 pinyon ips Ips confusus Aerial survey in 2006.; Aerial view of damage near Canon City, CO, 2006
5135056 pinyon ips Ips confusus Aerial survey in 2006.; Aerial view of damage, near Canon City, CO, 2006
5135057 pinyon ips Ips confusus Aerial survey from 2006.; Aerial view of damage, near Canon City, CO, 2006
5135059 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality adjacent to Picnic Rock Fire west of Fort Collins, CO
5135060 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality adjacent to Picnic Rock Fire west of Fort Collins, CO
5135061 Ips engraver beetles Ips spp. Aerial view of scattered tree mortality adjacent to Picnic Rock Fire west of Fort Collins, CO
5135062 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135063 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135064 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135065 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135066 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135067 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135068 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135069 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135070 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135071 mountain pine beetle Dendroctonus ponderosae Aerial view of damage near Berthoud Pass, CO, 2006
5135072 western balsam bark beetle Dryocoetes confusus Aerial view of tree mortality, Bull Mountain, Larimer CO, CO, 2006
5135073 western balsam bark beetle Dryocoetes confusus Aerial view of tree mortality, Bull Mountain, Larimer Co, CO
5135074 western spruce budworm Choristoneura freemani Aerial view of defoliation, North Platte River, CO, 2006
5135075 western spruce budworm Choristoneura freemani Aerial view of defoliation, North Platte River, CO, 2006
5135076 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO, 2006
5135077 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135078 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135080 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135081 Douglas-fir tussock moth Orgyia pseudotsugata Defoliation in urban area near Aspen Park, CO
5135084 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135085 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135086 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135087 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
5135088 Douglas-fir tussock moth Orgyia pseudotsugata Mature larva, Aspen Park, CO
2167067 spittlebugs or froghoppers Spittlebug infestation on red spruce, Balsam Gap, Blue Ridge parkway, NC
2167068 spittlebugs or froghoppers Spittlebug infestation on red spruce, Balsam Gap, Blue Ridge parkway, NC
2167070 swallowtail butterflies Papilio spp.
2167075 western tent caterpillar Malacosoma californicum
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
2167043 western tent caterpillar Malacosoma californicum Aerial view of defoliation; 2006
2167046 pleasing fungus beetle Megalodacne heros
2167064 fir engraver Scolytus ventralis Aerial view of damage
2167004 ocellate gall midge Acericecis ocellaris
2167006 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167007 balsam woolly adelgid Adelges piceae gout on Fraser fir
2167009 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167010 hemlock woolly adelgid Adelges tsugae Decline and mortality caused by hemlock wolly adelgid,
2167012 hemlock woolly adelgid Adelges tsugae Decline and mortality,
2167016 hemlock woolly adelgid Adelges tsugae Infested foliage
2167017 hemlock woolly adelgid Adelges tsugae Infested foliage
2167018 hemlock woolly adelgid Adelges tsugae Infested foliage
2167019 hemlock woolly adelgid Adelges tsugae Infested foliage,
2167023 hemlock woolly adelgid Adelges tsugae Infested foliage
2167029 grasshoppers
2167039 red spotted purple Limenitis arthemis astyanax
1241598 larch casebearer Coleophora laricella Defoliation of western larch, Idaho Panhandle National Forest, ID
1510054 hemlock woolly adelgid Adelges tsugae Ground spray equipment used for control of balsam woolly adelgid, Mt. Mitchell State Park, NC, ca 1961.
2252094 pine engraver Ips pini
0758245 pandora moth Coloradia pandora Mature larva feeding on ponderosa pine.
0758246 pandora moth Coloradia pandora Two female adults on bole of a ponderosa pine
0758162 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758163 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758164 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758165 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758168 western spruce budworm Choristoneura freemani Aerial view of defoliation
0758170 western spruce budworm Choristoneura freemani Defoliation
0758172 western spruce budworm Choristoneura freemani Defoliation
0758173 western spruce budworm Choristoneura freemani Defoliation
2134027 banded peacock butterfly Anartia fatima Adult at rest, Quintana Roo, Yucatan Peninsula, Mexico
2134033 white-striped longtail Chiodes albofasciatus Baja California Sur, Mexico
2134041 Guatemalan cracker Hamadryas guatemalena Quintana Roo State, Mexico
2134057 sphinx moth Protambulyx eurycles Cancun, Quintana Roo State, Mexico
2134058 sphinx moth Protambulyx eurycles Cancun, Quintana Roo State, Mexico
2122036 nessus sphinx Amphion floridensis Adult moth resting on foliage, Fort Collins, 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
2122028 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation near Aspen Park, CO
2122029 Douglas-fir tussock moth Orgyia pseudotsugata Egg mass on pupal case, near Aspen Park, CO
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
1248019 mountain pine beetle Dendroctonus ponderosae Rollinsvile, CO
1248020 mountain pine beetle Dendroctonus ponderosae Fading trees near Willow Creek Pass, 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
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
1248028 Douglas-fir tussock moth Orgyia pseudotsugata Aspen Park, CO
1248030 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation in Douglas-fir near Aspen Park, CO
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
1248001 Tetrio sphinx Pseudosphinx tetrio Mature larva, village of Plymouth, Tobago, Trinidad and Tobago
1248003 monarch butterfly Danaus plexippus Mature larva, Village of Plymouth, Tobago, Trinidad and Tobago
1248010 red milkweed beetle Tetraopes tetrophthalmus Adult on milkweed flower, Fort Collins, CO
1248011 red milkweed beetle Tetraopes tetrophthalmus Adult on milkweed flower, Fort Collins, CO
1248012 boxelder bug Boisea trivittata Adult box elder bug, Fort Collins, CO
1244002 giant conifer aphids Cinara spp. Colony, VI Region, Chile
1244003 giant conifer aphids Cinara spp. Colony, Reserva Yerba Loca, Region Metropolitana, Chile
1244004 giant conifer aphids Cinara spp. Hedge with damage, Concha y Toro Winery near Santiago, Chile
1244006 eucalyptus borer Phoracantha recurva VI Region, Chile
1244009 pine and spruce adelgids Pineus spp. VI Region, Chile
1244010 metalic wood-boring beetle Lasionota conjuntus Sierra Bellavista, VI Region, Chile
1254005 mountain pine beetle Dendroctonus ponderosae Aerial view of dead and dying trees, Black Hills NF, SD
1254036 conifer sawflies Neodiprion spp. Larval colony, near Jasper, AL.
1254037 conifer sawflies Neodiprion spp. Single larva on ponderosa pine, west of Fort Collins, CO
1254041 elm leaf beetle Xanthogaleruca luteola Fort Collins, CO.
1254042 elm leaf beetle Xanthogaleruca luteola Larvae and defoliation, Fort Collins, CO.
1254047 lady beetle Fort Collins, CO.
1254054 mealybugs Fort Collins, CO.
1254055 mealybugs Infestation on bark, Fort Collins, CO.
1254058 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1254062 hackberry bud gall maker Pachypsylla celtidisgemma Fort Collins, CO.
1254082 aspen leafminer Phyllocnistis populiella Leaf mining, Roosevelt NF, CO.
1309001 white-lined sphinx Hyles lineata mating
1309002 milkweed tussock moth Euchaetes egle Madison Co, Iowa.
1309003 polyphemus moth Antheraea polyphemus Fort Collins, CO
1309005 swallowtail butterflies Papilio spp. Mature larva, Fort Collins, CO
1309006 tiger moths Grammia spp. Adult on milkweed flower, Cache La Poudre Canyon, CO
2500001 fir engraver Scolytus ventralis Rio Grande NF, CO.
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.
2500012 Mediterranean pine engraver beetle Orthotomicus erosus
2500013 bark beetle Phloeosinus armatus
2500015 pine shoot beetle Tomicus destruens Group of old dead trees, northern Cyprus.
2500016 flatheaded or metallic wood borer northern Cyprus
2500021 seagrape sawfly Sericoceros mexicanus Cluster of pupal cases on sea grape, Roatan Island, Honduras
2500022 seagrape sawfly Sericoceros mexicanus Cluster of pupae on sea grape, Roatan Island, Honduras
1232009 pine processionary moth Thaumetopoea pityocampa Heavy defoliation in a young pine plantation, northern Cyprus
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.
1428140 goldenhaired bark beetle Hylurgus ligniperda Adult maturation feeding damage on pine seedling, central Chile.
3943081 Asian chestnut gall wasp Dryocosmus kuriphilus Partially opened gall showing larvae.
3943082 chestnut weevil Mecorhis cumulatus
3943029 European spruce bark beetle Ips typographus Salvage logging operation underway in stand killed by bark beetle, southwestern Lithuania
3943100 seagrape sawfly Sericoceros mexicanus Female and eggs, West Bay
3943101 seagrape sawfly Sericoceros mexicanus Colony of larvae, West Bay
3943102 seagrape sawfly Sericoceros mexicanus Pair of female adults and eggs on seagrape leaf
3943104 seagrape sawfly Sericoceros mexicanus First instar larvae on egg cluster
3943105 seagrape sawfly Sericoceros mexicanus Colony of larvae on seagrape leaf
3943106 seagrape sawfly Sericoceros mexicanus Colony of larvae on seagrape leaf.
3943107 seagrape sawfly Sericoceros mexicanus on branch.
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
3948014 cypress aphid Cinara cupressivora Aerial view of tree mortality in cypress plantation near Eldoret
3943043 pineapple mealybug Dysmicoccus brevipes Colony of scales on root system of Casuarina, near Malindi.
3943071 honey bee Apis mellifera Beehives used to collect wildflower honey, Ziarat Forest.
3943075 bark beetle Ips latidens Galleries in windthrown spruce.
1428110 southwestern tent caterpillar Malacosoma incurvum tent containing late instar larvae, southern Utah
1428105 purple erineum maple mite Eriophyes calcercis
1428107 southwestern tent caterpillar Malacosoma incurvum tents in southern Utah
1428084 mountain pine beetle Dendroctonus ponderosae Pair of adult beetles in egg gallery.
1428085 mountain pine beetle Dendroctonus ponderosae Larvae and galleries.
1428087 mountain pine beetle Dendroctonus ponderosae Group of ponderosa pines killed by mountain pine beetle.
3943005 butterflies, moths or skippers Lepidoptera (Order) N/A
3943020 conifer sawfly Diprion pini Pulpwood stacks resulting from salvage logging of pine infested by the pine sawfly
1428028 sacred fir looper Evita hyalinaria hyalinaria Adult resting on ground vegetation, near San Felipe del Progresso.
1428033 goldenhaired bark beetle Hylurgus ligniperda Egg gallery in freshly cut pine stump, VIII Region.
1428034 goldenhaired bark beetle Hylurgus ligniperda Boring dust indicative of attack in fresh stump, VIII Region.
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.
1428109 southwestern tent caterpillar Malacosoma incurvum tent containing late instar larvae
1428101 oystershell scale Lepidosaphes ulmi
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.
0758152 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality
0758153 spruce beetle Dendroctonus rufipennis Aerial view of a large timber salvage operation to harvest trees killed by spruce beetle.
0758151 spruce beetle Dendroctonus rufipennis Aerial view of tree mortality
1428027 sacred fir looper Evita hyalinaria hyalinaria Adult resting on sacred fir with heavy defoliation.
1428032 goldenhaired bark beetle Hylurgus ligniperda Adult, larvae and pupae in pine log
3943097 pine processionary moth Thaumetopoea pityocampa Procession of second instar larvae moving to a new feeding site, Turkish Cyprus
3943098 lady beetle Ladybird beetle feeding on a colony of scale insects, Republic of Cyprus
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.
2252030 Douglas-fir tussock moth Orgyia pseudotsugata Aerial view of defoliation

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