Category:Diseases and disorders of plants due to insects

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Subcategories

This category has the following 14 subcategories, out of 14 total.

Damaged plants by insect taxon‎ (6 C, 2 F)

*

Insect galls‎ (10 C, 39 F)

B

Beetle galleries in wood‎ (4 C, 22 F)

C

Chaetocnema pulicaria‎ (1 F)

D

Diabrotica virgifera‎ (1 P, 22 F)
Diseases and disorders of plants due to insects in Germany‎ (1 C)
Drosophila suzukii‎ (2 C, 47 F)

H

Hypothenemus hampei‎ (6 F)

O

Operophtera brumata‎ (7 C, 1 P, 20 F)

P

Pseudococcidae‎ (20 C, 36 F)

S

Sternorrhyncha‎ (16 C, 1 F)

T

Tetranychus urticae‎ (1 P, 81 F)
Thaumastocoris peregrinus‎ (7 F)

Z

Zeuzera pyrina‎ (1 P, 96 F)

Media in category "Diseases and disorders of plants due to insects"

The following 200 files are in this category, out of 257 total.

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08 août 2019 - Trous d'altises sur le chou.jpg 1,441 × 734; 261 KB
1626059-LGPT.jpg 2,048 × 3,072; 1.52 MB
1912. Cones infested by cone moth (Laspeyresia torteuta). Bray, California. (38189914112).jpg 1,417 × 858; 280 KB
1913. Insects and forest fires. A breeding place for various forest insects. Near Ashland, Oregon. (26394576988).jpg 1,737 × 1,199; 308 KB
1914. Fire-scorched pines infested with Dendroctonus sp. Colestin, Oregon. (37510993504).jpg 1,360 × 1,951; 780 KB
1914. Work of pitch moth larvae in twig of Pinus attenuata. Ashland, Oregon. (39369364565).jpg 1,292 × 1,614; 269 KB
1916. Larvae in galls formed on foliage of Libocedrus. Ashland, Oregon. (26394573848).jpg 1,856 × 1,166; 286 KB
1916. Larval work of small Tineid moth in pollen bodies of ponderosa pine. Ashland, Oregon. (39555690814).jpg 1,457 × 2,057; 271 KB
1922. Peeling tree on top side to insure complete burning of bark. This tree killed by Ips emarg. for first 6 logs, and the top 6 logs with a fresh attack of Dendroctonus brevicomis. SONC control project. (33607747965).jpg 1,907 × 1,259; 440 KB
1923. Group of yellow pine killed by western pine beetle. Southern Oregon Northern California cooperative western pine beetle control project. Klamath Indian Reservation. (33224573940).jpg 1,176 × 1,768; 575 KB
1924. Lodgepole pine killed by mountain pine beetle in Yosemite National Park. (33224647830).jpg 1,286 × 875; 471 KB
1924. Marking a group of infested ponderosa pine. The spotter has blazed 21 trees recently attacked by bark beetles in a heavy center of infestation. Kaibab National Forest, Arizona. (26445233419).jpg 1,448 × 1,073; 363 KB
1924. Ponderosa pine defoliated by pandora moth. Calimus Butte area, Oregon. (38166261076).jpg 1,037 × 1,630; 482 KB
1924. Ponderosa pine defoliated by pandora moth. Klamath Indian Reservation. Oregon. (38166268516).jpg 1,025 × 1,619; 482 KB
1924. Ponderosa pine defoliated by pandora moth. Klamath Indian Reservation. Oregon. (38189738812).jpg 1,045 × 1,612; 479 KB
1924. These lodgepole pine trees, first weakened by a needle miner, were later killed by mountain pine beetle. Tenaya Basin, Yosemite National Park. (26445242119).jpg 1,066 × 1,663; 467 KB
1924. Trees tagged for cutting and insect control work. Kaibab National Forest, Arizona. (37510643954).jpg 1,890 × 1,206; 525 KB
1927. Western pine beetle damage. Airplane view (vertical) of Badger Well plot. Elevation 2,000 feet. Control project. Modoc National Forest, California. (34907772501).jpg 1,404 × 1,053; 357 KB
1927. Western pine beetle damage. Airplane view (vertical) of Timber Mt. plot. Elevation 2,000 feet. Control project. Modoc National Forest, California. (34907767221).jpg 1,417 × 1,088; 312 KB
1927. Western pine beetle damage. Brown's Well plot. T44N, R8E, Sec 30. 2,000' elevation. Modoc National Forest, California. (34999650176).jpg 1,420 × 1,063; 336 KB
1930. Garry oak (Quercus garryana) defoliated by oak looper (Ellopia somniaria) near Amity, Oregon. (38902729750).jpg 953 × 1,314; 341 KB
1930. Garry oak defoliated and webbed by oak looper Ellopia somniaria. (25176099237).jpg 937 × 1,285; 166 KB
1930. Hemlock killed on the Nehalem River by old outbreaks of hemlock looper. Oregon. (39337342264).jpg 913 × 1,285; 259 KB
1930. Hemlock killed on the Nehalem River by old outbreaks of western hemlock looper. Oregon. (39337349134).jpg 932 × 1,288; 297 KB
1930. Hemlock killed on the Nehalem River by old outbreaks of western hemlock looper. Oregon. (39337354724).jpg 929 × 1,283; 243 KB
1930. Ponderosa pine logs attacked on sides and bottoms by Dendroctonus brevicomis. Klamath Falls, Oregon. (26445195299).jpg 1,915 × 1,252; 493 KB
1930. Ponderosa pine right-of-way logs heavily attacked by Dendroctonus brevicomis. Klamath Falls, Oregon. (37510629774).jpg 1,636 × 1,180; 378 KB
1931. Aerial scene on Naselle showing areas infested with western hemlock looper. Washington. (34088125833).jpg 1,316 × 953; 139 KB
1931. Damage to ponderosa pine pole stands by Ips oregoni Eich. following logging. Klamath Falls, Oregon. (40015295992).jpg 1,752 × 1,160; 354 KB
1931. Hemlock looper control project. Naselle area, Washington. (26445156219).jpg 1,275 × 926; 239 KB
1931. Naselle area, showing hemlock looper infested timber lands. Western hemlock looper dusting project. Washington. (39149617515).jpg 1,290 × 921; 197 KB
1931. Naselle area, showing hemlock looper infested timber lands. Western hemlock looper dusting project. Washington. (39337337734).jpg 1,281 × 917; 200 KB
1931. Scene on Naselle showing areas infested with western hemlock looper. Washington. (34088128453).jpg 1,292 × 915; 193 KB
1932. Aphis abietina, Walk. damage to Sitka spruce. Pacific Beach, Washington. (39337306274).jpg 937 × 1,309; 208 KB
1932. Aphis abietina, Walk., damage to Sitka spruce. Jefferson County, Washington. (39149587195).jpg 1,182 × 860; 199 KB
1932. Aphis abietina, Walk., damage to Sitka spruce. Mora, Washington. (38011762624).jpg 932 × 1,301; 230 KB
1932. Aphis abietina, Walk., damage to Sitka spruce. Mora, Washington. (39337312984).jpg 950 × 1,291; 168 KB
1932. Aphis abietina, Walk., damage to Sitka spruce. Mora, Washington. (39337315024).jpg 1,291 × 888; 205 KB
1932. Aphis abietina, Walk., damage to Sitka spruce. Mora, Washington. (40015303862).jpg 926 × 1,310; 228 KB
1934. An area in the Modoc National Forest showing the accumulated loss of ponderosa pine killed by the western pine beetle during a period of ten years. (38221474951).jpg 1,867 × 1,202; 550 KB
1934. Dead lodgepole pine killed by mountain pine beetle, with young reproduction. Munson Plateau. Crater Lake National Park, Oregon. (38221460651).jpg 1,271 × 918; 209 KB
1934. Hemlock defoliated by sawfly, Neodiprion tsugae Midd. (26174510448).jpg 953 × 1,588; 242 KB
1935. Callidium californicum Csy. work in Juniperus occidentalis. Hopk.U.S. 18199-a. Collected by F.P. Keen in Terrebonne, Oregon. (38696604602).jpg 1,201 × 927; 161 KB
1936. Tillamook Burn - timber that burned in 1933. Interstate Logging Company, felled near landing. Section 1, Unit 6. (34895353755).jpg 1,319 × 914; 199 KB
1937. Galls caused by balsam woolly aphid (Chermes picea; balsam woolly adelgid; Adelges piceae) on lowland white fir. Notice three years' buds have suffered similar injury. Senator Charles L. McNary's farm, Salem, Oregon. (34760347671).jpg 1,426 × 1,999; 384 KB
1937. Twig nodule galls caused by balsam woolly aphid (Chermes piceae; balsam woolly adelgid; Adelges piceae) on lowland white fir. Senator Charles L. McNary's farm, Salem, Oregon. (36012501155).jpg 1,327 × 1,661; 203 KB
1938. External signs of Megacyllene robiniae damage on a black locust tree. Spokane, Washington. (40832279654).jpg 1,340 × 1,913; 296 KB
1939. Asemum work in top end of Douglas-fir log. Smith operation, Tillamook Burn, Oregon. (33208212373).jpg 1,417 × 1,060; 260 KB
1941. Group killing of ponderosa pine reproduction by Ips oregoni resulting from road slash pushed against the group of trees. Trees cut in May of 1941. Wolf Creek. Ochoco National Forest, Oregon. (23863871977).jpg 1,321 × 936; 246 KB
1942. Balsam woolly adelgid (Chermes piceae). Lower surface of limb showing characteristics of heavy attack on Abies grandis. Sample from Wilsonville, Oregon. (40024516041).jpg 1,378 × 1,921; 386 KB
1942. Balsam woolly adelgid (Chermes piceae). Lower surface of limb showing characteristics of heavy attack on Abies grandis. Sample from Wilsonville, Oregon. (40024528491).jpg 853 × 1,948; 323 KB
1942. Balsam woolly adelgid (Chermes piceae). Upper surface of limb showing characteristics of heavy attack on Abies grandis. Sample from Wilsonville, Oregon. (28245376489).jpg 634 × 2,000; 260 KB
1942. Balsam woolly adelgid (Chermes piceae; Adelges piceae). Upper surface of limb showing characteristics of heavy attack on Abies grandis. Sample from Wilsonville, Oregon. (40024535651).jpg 1,184 × 1,986; 310 KB
1942. Loss from pine beetles exceeds growth in the ponderosa pine forests of Oregon and Washington. Decade of 1931-1940. (33597905250).jpg 1,141 × 1,435; 174 KB
1942. Pine beetles compete with lumber industry for Oregon and Washington's timber supply. Average for decade of 1931-1940. (33983077125).jpg 1,194 × 1,488; 201 KB
1942. Pine beetles have destroyed more timber than fire in the ponderosa pine forests of Oregon and Washington during the decade of 1931-1940. (33983071785).jpg 1,171 × 1,468; 142 KB
1942. Ponderosa pine killed by the western pine beetle. Fremont National Forest. Bly, Oregon. (41103191001).jpg 1,097 × 1,415; 322 KB
1943. Deterioration of fire-killed Douglas-fir. Cross-section 33 inches diameter inside bark (DIB) at 40 feet above base. Showing 4-5 inches penetration by Asemum and rot. T1S; R6W; Section 2. Tillamook Burn, Oregon. (34883149301).jpg 1,394 × 1,024; 335 KB
1943. Deterioration of fire-killed Douglas-fir. Cross-section 33 inches diameter inside bark (DIB) at 45 feet above base. Showing 7-8 inches penetration by Asemum, Criocephalus and rot. Tillamook Burn, Oregon. (34171375834).jpg 1,411 × 1,091; 310 KB
1943. Ponderosa pine killed by western pine beetle on Grandview plot near Sisters. Deschutes National Forest, Oregon. (26170348488).jpg 1,388 × 1,898; 603 KB
1943. Ponderosa pine killed by western pine beetle on Grandview plot near Sisters. Deschutes National Forest, Oregon. (28264532079).jpg 1,383 × 2,003; 379 KB
1943. Ponderosa pine killed by western pine beetle on Grandview plot near Sisters. Deschutes National Forest, Oregon. (39145032135).jpg 1,376 × 1,988; 620 KB
1945. Aerial view of the western hemlock looper control project area. Clatsop County, Oregon. (34204106433).jpg 2,056 × 1,420; 334 KB
1945. Hemlock trees killed by western hemlock looper. Mail Creek. Clatsop County, Oregon. (40043672821).jpg 1,324 × 1,927; 494 KB
1945. Loaded airplane over hemlock looper control area. Clatsop County, Oregon. (32916408686).jpg 1,404 × 1,072; 233 KB
1946. Group of young Douglas-fir defoliated by Douglas-fir tussock moth. Troy, Oregon. (28246287619).jpg 1,955 × 1,437; 724 KB
1946. Group of young Douglas-fir defoliated by Douglas-fir tussock moth. Troy, Oregon. (39993798812).jpg 1,915 × 1,447; 726 KB
1946. Sawfly (Neodiprion) defoliation. Completely defoliated stem of ponderosa pine reproduction. Near Allison Ranger Station. Ochoco National Forest, Oregon. (26152458388).jpg 1,039 × 1,411; 273 KB
1946. Sawfly (Neodiprion) defoliation. Partially defoliated ponderosa pine reproduction. Near Allison Ranger Station. Ochoco National Forest, Oregon. (26152462848).jpg 2,017 × 1,453; 691 KB
1946. Sawfly (Neodiprion) defoliation; effect of spraying with .025% DDT. Partially defoliated and unharmed ponderosa pine reproduction. Allison Ranger Station. Ochoco National Forest, Oregon. (25154682527).jpg 2,000 × 1,445; 633 KB
1947. Douglas-fir defoliated by Douglas-fir tussock moth. Moscow Mountain, Idaho. (39993787532).jpg 1,076 × 1,353; 234 KB
1948. Budworm damage to pine-fir stand on slopes of Tamarack Mountain. Defoliated fir appears as light gray to white as compared with darker, undefoliated ponderosa pine. (34888162721).jpg 1,281 × 868; 193 KB
1948. Helicopter spraying (spray does not show). Western spruce budworm control project. Kinzua area, Oregon. (34974549826).jpg 1,409 × 1,097; 347 KB
1948. Helicopter spraying. Spray is visible by refracted light. Western spruce budworm control project. Kinzua area, Oregon. (35014586345).jpg 1,403 × 1,101; 319 KB
1948. Helicopter spraying; spray is visible by refracted light. Western spruce budworm control project. Kinzua area, Oregon. (34170697064).jpg 1,429 × 1,083; 386 KB
1953. Looking across the Ohanepecosh River Canyon to an area of Douglas-fir beetle kill south of Laughing Water Creek. Photo from stone guard rail on Stevens Canyon Road. Mount Rainier National Park, Washington. (40119745871).jpg 1,034 × 1,328; 257 KB
1953. Salvage operation on Millicoma Forest. Salvage averaged about 36M per acre, of which about 50 percent was windthrow and 50 percent trees killed by Douglas-fir beetle. Coos County, Oregon. (25247279457).jpg 1,331 × 1,027; 360 KB
1953. Salvage setting to remove beetle-kill and blowdown. Approximately 18% of the volume was blowdown and an equal amount of Douglas-fir beetle kill. Millicoma Forest, Coos County, Oregon. (25247277347).jpg 1,345 × 1,035; 318 KB
1954. Miles Compton (OSBF) with 25 year old Sitka spruce stunted by many weevil attacks. Young's River Plantation. Seaside, OR. (33497936775).jpg 1,035 × 1,347; 231 KB
1955. 26-year-old Sitka spruce plantation that suffered heavy damage by the Sitka spruce weevil. Clatsop Tree Farm. Crown Zellerbach Corporation. Young's River, Clatsop County, Oregon. (25247356177).jpg 1,348 × 1,043; 206 KB
1955. Douglas-fir beetle group killing in 180 year old stand. Millicoma Forest, Coos County, Oregon. (39220374955).jpg 1,058 × 1,358; 337 KB
1955. Ips oregoni (Eich.) top-killed ponderosa pine near Elgin, Oregon. (26099309038).jpg 1,802 × 1,201; 370 KB
1955. Ips oregoni (Eich.) top-killed ponderosa pine near Elgin, Oregon. (38707370841).jpg 1,424 × 940; 207 KB
1955. Sitka spruce weevil (Pissodes sitchensis) pupal cells in young Sitka spruce leader (bark removed). Astoria, Oregon. (39220468415).jpg 995 × 1,347; 176 KB
1956. Detail of Ips vancouveri egg gallery and larval mine on the wood surface of Pinus monticola. (34852652275).jpg 1,038 × 1,358; 277 KB
1956. Ips concinnus egg galleries and larval mines on the inner bark surface of Sitka spruce. (34852614325).jpg 861 × 1,117; 213 KB
1956. Number 1 of a 4-photo sequence test to determine best filters for photographing balsam woolly adelgid damage. Orange filter. Pine Creek. Gifford Pinchot National Forest, Washington. (40957363561).jpg 1,105 × 1,390; 385 KB
1956. Number 2 of a 3 photo sequence of tree killed by balsam woolly aphid. (G) filter. Pine Creek. Gifford Pinchot National Forest, Washington. (27086093948).jpg 1,114 × 1,386; 444 KB
1956. Number 2 of a 4-photo sequence test to determine best filters for photographing balsam woolly adelgid damage. Red (A) filter. Pine Creek. Gifford Pinchot National Forest, Washington. (40957360931).jpg 1,097 × 1,348; 374 KB
1956. Number 3 of a 4-photo sequence test to determine best filters for photographing balsam woolly adelgid damage. Green filter. Pine Creek. Gifford Pinchot National Forest, Washington. (40957358801).jpg 1,087 × 1,397; 398 KB
1956. Number 4 of a 4-photo sequence test to determine best filters for photographing balsam woolly adelgid damage. No filter. Pine Creek. Gifford Pinchot National Forest, Washington. (40915243512).jpg 1,090 × 1,386; 383 KB
1956. Orthotomicus ornatus egg galleries and larval mines on the wood surface of Pinus ponderosa. (34720884441).jpg 857 × 1,147; 341 KB
1956. Phloeosinus furnissi egg galleries on surface of Juniperus. (34466410230).jpg 853 × 1,138; 195 KB
1956. Polygraphus rufipennis (Kby.) egg galleries and larval mines on wood surface of Picea engelmanni. (34466421840).jpg 867 × 1,144; 299 KB
1956. Stand of predominantly Pacific silver fir suffering heavy mortality from balsam woolly adelgid. Deer Creek, Toutle River, Washington. (26245591998).jpg 1,367 × 1,042; 214 KB
1956. Stand of predominantly Pacific silver fir suffering heavy mortality from balsam woolly adelgid. Deer Creek, Toutle River, Washington. (26245596558).jpg 1,381 × 1,116; 236 KB
1957. Balsam woolly adelgid damage. Salvage logging heavily damaged stand of Pacific silver fir. Black Rock, Oregon. (34029356964).jpg 1,388 × 1,038; 234 KB
1957. Balsam woolly adelgid damage. Salvage logging heavily damaged stand of Pacific silver fir. Black Rock, Oregon. (34872597605).jpg 1,367 × 1,039; 286 KB
1957. Salvage logging Chermes-killed and damaged silver fir. Black Rock, Oregon. (34029365954).jpg 1,035 × 1,385; 301 KB
1957. Salvage logging Chermes-killed and damaged silver fir. Black Rock, Oregon. (34061981403).jpg 1,331 × 1,025; 280 KB
1958. Abies fraseri top-killed by balsam woolly adelgid. Wind River Arboretum. Carson, Washington. (40957406081).jpg 1,267 × 1,970; 343 KB
1958. Abies lasiocarpa killed by balsam woolly adelgid. Wind River Arboretum. Carson, Washington. (26084798157).jpg 1,309 × 1,883; 374 KB
1958. Abies lasiocarpa killed by balsam woolly adelgid. Wind River Arboretum. Carson, Washington. (39147757210).jpg 1,270 × 1,935; 332 KB
1958. Trypodendron lineatum galleries and stain in young ponderosa pine, killed by chemicals, 6 months after attack. Lookout Mountain, Pringle Falls Experimental Forest, Oregon. (37819807545).jpg 1,966 × 1,516; 332 KB
1958. Trypodendron lineatum galleries and stain in young ponderosa pine, killed by chemicals, 6 months after attack. Lookout Mountain, Pringle Falls Experimental Forest, Oregon. (38707368711).jpg 1,178 × 959; 213 KB
1958. Understory of grand fir heavily infested with balsam woolly adelgid. Overstory is Douglas-fir. Dr. Julius A. Rudinksy (Oregon State University) pictured. Avery Park. Corvallis, Oregon. (25897994298).jpg 1,435 × 1,095; 471 KB
1959. Balsam woolly adelgid (Chermes piceae) infestation reaching to ground line on large Abies lasiocarpa. Willamette Pass, Oregon. (41103273631).jpg 1,031 × 1,385; 418 KB
1959. Balsam woolly adelgid (Chermes) killed subalpine fir. Blair Meadows, Willamette National Forest, Oregon. (40957378311).jpg 1,379 × 1,108; 341 KB
1959. Caged lower bole of balsam woolly adelgid (Chermes piceae) infested Abies lasiocarpa. Willamette Pass, Oregon. (39294294430).jpg 1,067 × 1,391; 250 KB
1959. Norman E. Johnson sampling Douglas-fir beetle population in an old-growth, exposed windfall. McDonald Tree Farm, Washington. (33484214604).jpg 1,070 × 1,391; 254 KB
1960. Larch casebearer (Coleaphora laricella) stand damage near St. Maries, Idaho. (39294247910).jpg 1,390 × 1,065; 313 KB
1960. Larch casebearer (Coleaphora laricella) stand damage near St. Maries, Idaho. (40208549885).jpg 1,395 × 1,069; 366 KB
1960. Larch casebearer (Coleaphora laricella) stand damage near St. Maries, Idaho. (41059781322).jpg 1,115 × 1,453; 478 KB
1960. Logging Pacific silver fir killed or damaged by balsam woolly adelgid. St. Helen's Tree Farm, Washington. (27086095838).jpg 1,398 × 1,071; 339 KB
1961. Ponderosa pine thinning slash. Considerable killing by Ips oregonis occurred to leave stand. (Thinned December 1960; Ips killing summer, 1961.) Bauer's Creek, Fremont National Forest. (38675352642).jpg 1,397 × 1,069; 415 KB
1961. Stagnated ponderosa pine stand. This is a large even-age stand that resulted from a devastating pine butterfly kill in the 1890s. Cedar Valley, Yakima Indian Reservation, Washington. (40957417841).jpg 1,379 × 1,088; 530 KB
1963. Cage used in 1963 forced attacks of Ips oregonis. Note that considerable resin has exuded from the hole in which the beetle was caged. Pringle Falls Field Station, La Pine, Oregon. (41037592892).jpg 1,111 × 1,139; 175 KB
1963. Distortion of white pine cones caused by external feeding of Pineus sp. Midway Guard Station, Gifford Pinchot National Forest, Washington. (40186794175).jpg 1,062 × 1,384; 181 KB
1963. Distortion of white pine cones caused by external feeding of Pineus sp. Midway Guard Station, Gifford Pinchot National Forest, Washington. (40186799625).jpg 1,097 × 1,361; 155 KB
1963. Permanent Crown-Zellerbach growth plot in a plantation being studied for weevil damage trends. Youngs River area, Clatsop County, Oregon. (41037531942).jpg 1,385 × 1,095; 478 KB
1963. Research entomologist Ken Wright in a 33-year-old Sitka spruce plantation being studied for weevil damage trends. Youngs River area, Clatsop County, Oregon. (40371174034).jpg 1,387 × 1,067; 402 KB
1963. Root of western white pine sapling in Jim Creek Seed Orchard killed by weevils (Pissodes sp.) Rogue River National Forest, Oregon. (40371228254).jpg 1,069 × 1,381; 202 KB
1963. Spruce-hemlock forest where planted spruce has been heavily weeviled. Photo is taken from "Stamm's Point". Youngs River, Clatsop County, Oregon. (38707505791).jpg 1,385 × 1,057; 184 KB
1963. Top of Sitka spruce, showing terminal bud killed by Epinotia hopkinsana. Note two newly formed buds which will elongate next year, causing a bushy top. Cannon Beach, Oregon. (40371218964).jpg 1,405 × 1,073; 191 KB
1963. Zeiraphera ratzeburgiana feeding on Sitka spruce buds. Tillamook Head, Cannon Beach, Oregon. (40957421111).jpg 1,110 × 1,125; 125 KB
1964. Biscuit root plant (Lomatium). Longitudinal section of the swelling below the umbel showing a puparium of the pith-miner. Collected near La Grande, Oregon. 11 15 63. (39147683400).jpg 1,077 × 1,391; 124 KB
1964. Dendroctonus monitcolae infested pine heavily attacked by woodpeckers. Baker Ranger District, Wallowa Whitman National Forest, Oregon. (37004675842).jpg 2,230 × 3,599; 4.84 MB
1964. Ips attack in background triggered by logging slash. Wallowa Whitman National Forest, Oregon. (36778912080).jpg 3,600 × 2,431; 4.55 MB
1964. Top-killing of grand fir caused by feeding of Douglas-fir tussock moth larvae. King Mountain, near Burns, Oregon. (40915232862).jpg 1,395 × 1,047; 314 KB
1964. Top-killing of grand fir caused by feeding of Douglas-fir tussock moth larvae. King Mountain, near Burns, Oregon. (40957340941).jpg 1,399 × 1,067; 334 KB
1965. A moderate infestation of mountain pine beetle in a ponderosa pine stand 60 years old. Camus Land, near Cashmere, Washington. (26084744697).jpg 1,491 × 1,096; 311 KB
1965. Close-up view of mountain pine beetle infestation in ponderosa pine stand about 70 years old. Ebell Creek, Baker District, Wallowa-Whitman National Forest, Oregon. (27086080168).jpg 1,061 × 1,383; 424 KB
1965. Close-up view of mountain pine beetle infestation in ponderosa pine stand about 70 years old. Ebell Creek, Baker District, Wallowa-Whitman National Forest, Oregon. (27086082378).jpg 1,075 × 1,405; 380 KB
1965. Panorama of mountain pine beetle outbreak in upper Ebell Creek. Photo taken from Stump Springs Lookout. Baker District, Wallowa-Whitman National Forest, Oregon. (40248136114).jpg 2,078 × 1,373; 253 KB
1965. Pine trees defoliated by Douglas-fir tussock moth. Burns Douglas-fir Tussock Moth Control Project. Malheur National Forest, Oregon. (37004674902).jpg 2,378 × 3,599; 1.94 MB
1966. Heavy Douglas-fir tussock moth defoliation on Abies concolor, primarily from 1965 feeding. Note pine overstory. Corral Creek area. Modoc National Forest, California. (36967287245).jpg 1,064 × 1,370; 404 KB
1966. Heavy Douglas-fir tussock moth defoliation, primarily from 1965 feeding, on Abies concolor. Canal Creek area. Modoc National Forest, California. (36796095002).jpg 1,068 × 1,379; 400 KB
1966. Mountain pine beetle infestation in second-growth ponderosa pine. Upper Elk Creek, Baker Ranger District, Wallowa-Whitman National Forest, Oregon. (40248126654).jpg 2,051 × 1,376; 391 KB
1970. Mountain pine beetle infestation at Johnson Rock Lookout. La Grande Ranger District, Wallowa-Whitman National Forest, Oregon. (41893401841).jpg 4,865 × 3,057; 1.88 MB
1970. Mountain pine beetle infestation at Johnson Rock Lookout. La Grande Ranger District, Wallowa-Whitman National Forest, Oregon. (41893403671).jpg 5,025 × 2,969; 1.92 MB
1972. Douglas-fir tussock moth defoliation. Eastern Oregon. (37034460561).jpg 3,600 × 2,390; 5.22 MB
1974. Aerial view of Douglas-fir tussock moth defoliation. (36362346383).jpg 3,600 × 2,375; 4.87 MB
1974. Douglas-fir tussock moth caused defoliation along I-84 north of La Grande, Oregon. (41116561424).jpg 3,929 × 2,633; 1.77 MB
1975. Drott feller buncher salvage logging lodgepole pine infested with mountain pine beetle. (37034448371).jpg 3,600 × 2,431; 8.75 MB
1976. Mark collecting overwintering western spruce budworm samples. Mazama, Washington. (35899276902).jpg 3,599 × 2,224; 5.98 MB
1977. Damage to willow caused by Euura sawflies; bud gall. Figure 256-A on page 446 in Furniss and Carolin. 1977. Western Forest Insects. (38594691392).jpg 1,022 × 1,310; 140 KB
1977. Ponderosa pine killed, or top-killed, by the pine engraver (Ips pini). Fig. 230 on page 391 in Furniss and Carolin. 1977. Western Forest Insects. (38594613762).jpg 1,431 × 1,123; 254 KB
1983. Paul Buffam with western spruce budworm defoliation on western larch. Battle Mountain State Park. Oregon. (36778891680).jpg 2,347 × 3,600; 5.31 MB
1986. Mountain pine beetle mortality. East Lake. Deschutes National Forest, Oregon. (36362335663).jpg 3,600 × 2,387; 5.11 MB
1988. Tree mortality caused by fir engraver. Mt. Hood National Forest, Oregon. (36362221585).jpg 2,844 × 4,466; 1.64 MB
1989. Ips pini top kill in ponderosa pine. Warm Springs, Oregon. (36193627852).jpg 2,677 × 4,234; 1.38 MB
1989. Ips pini top kill in ponderosa pine. Warm Springs, Oregon. (36317801106).jpg 2,899 × 4,345; 1.32 MB
1989. Lodgepole pine trees that died from mountain pine beetle attack. Deschutes National Forest, Oregon. (35553639223).jpg 2,890 × 4,402; 1.66 MB
1989. Mountain pine beetle galleries in lodgepole pine. Deschutes National Forest, Oregon. (35526498364).jpg 2,722 × 4,468; 1.59 MB
1989. Mountain pine beetle in lodgepole pine. Deschutes National Forest, Oregon. (35526492424).jpg 3,000 × 4,512; 1.61 MB
1989. Mountain pine beetle in lodgepole pine. Deschutes National Forest, Oregon. (36317762486).jpg 2,844 × 4,421; 1.44 MB
1989. Mountain pine beetle in ponderosa pine before thinning. Deschutes National Forest, Oregon. (35526418544).jpg 2,890 × 4,392; 1.51 MB
1989. Pitch tubes in response to mountain pine beetle attack. (36317742366).jpg 2,779 × 4,364; 1.58 MB
1990. Aerial view of fir and pine mortality caused by western spruce budworm and bark beetles. North Fork of the John Day Ranger District, Umatilla National Forest, Oregon. (41116556604).jpg 3,961 × 2,657; 2.36 MB
1990. Aerial view of lodgepole pine mortality caused by mountain pine beetle. Deschutes National Forest. La Pine, Oregon. (40026433870).jpg 2,673 × 3,969; 1.99 MB
1990. Pandora moth (Coloradia pandora) defoliation. (35553559923).jpg 4,134 × 2,807; 1.53 MB
1992. Western spruce budworm defoliation. Trillium Lake. Mt. Hood National Forest, Oregon. (36362328033).jpg 3,600 × 2,289; 4.86 MB
2003. Western spruce budworm defoliation. (39073942735).jpg 864 × 648; 202 KB
2003. Western spruce budworm defoliation. (39073943365).jpg 2,272 × 1,704; 610 KB
2014. Rob Flowers (ODF, left), Bob Schroeter (USFS), Wyatt Williams (ODF), and Glenn Kohler (WDNR) examine beetle galleries. Aerial observer Calibration and Conformity training. Grounded due to bad weather. (35450322992).jpg 1,011 × 758; 236 KB
2017. Aerial view of spruce beetle damage near Anchorage, Alaska. (36672624200).jpg 4,032 × 3,024; 2.37 MB
2017. Aerial view of spruce beetle damage. Kenai Peninsula, Alaska. (36672623700).jpg 4,032 × 3,024; 2.62 MB
2017. Aerial view of spruce beetle damage. Kenai Peninsula, Alaska. (36880880606).jpg 4,032 × 3,024; 2.93 MB
Ab plant 1347.jpg 2,048 × 1,536; 681 KB
Amaranthus leaf webber attack.jpg 1,836 × 3,264; 1.98 MB
Amaranthusb leafebber.jpg 1,836 × 3,264; 1.59 MB
Apple tree leaves with insect damage.jpg 1,600 × 1,200; 598 KB
Architect and engineer (1933) (14781858185).jpg 1,228 × 1,774; 648 KB
Aurinia saxatilis 12586.JPG 3,088 × 2,056; 2.73 MB
Banana Leaf.jpg 3,024 × 4,032; 1.79 MB
Beans damaged by bean weevil.jpg 2,450 × 1,706; 613 KB
Borovice 12891.JPG 4,272 × 2,848; 4.31 MB
Borovice 12897.JPG 4,272 × 2,848; 3.22 MB
Borovice štítenka zhoubná.JPG 3,088 × 2,056; 1.79 MB
Borovice štítenka zhoubná2.JPG 3,088 × 2,056; 1.84 MB
Bulletin (20234392528).jpg 1,756 × 3,062; 1.28 MB
Bulletin (20422371485).jpg 2,078 × 3,082; 1.52 MB
Břečtan posáté listy12552.JPG 3,088 × 2,056; 1.92 MB
C.1930. Platypus wilsoni egg tunnels in wood of Abies concolor. (39817493525).jpg 1,063 × 1,292; 220 KB
C.1934. Drawing shows Ips radiatae Hopk. Egg gallery larval mines and pupal cells on surface of sapwood of pine. (33344443490).jpg 1,012 × 1,295; 425 KB
C.1955. Ips damage. (25101354797).jpg 1,802 × 1,201; 310 KB
C.2003. Sawfly damage in knobcone pine. (39261381284).jpg 1,200 × 1,800; 1.02 MB
C.2003. Sawfly damage in lodepole pine. (39940269352).jpg 1,801 × 1,201; 591 KB
C.2007. Douglas-fir beetle damage. (26099314638).jpg 1,802 × 1,201; 437 KB
C.2007. Douglas-fir beetle damage. (39940268922).jpg 1,800 × 1,200; 679 KB
C.2007. Mountain pine beetle damage in ponderosa pine. (39073941905).jpg 1,580 × 1,060; 452 KB
C.2007. Western spruce budworm defoliation. (39073938535).jpg 2,272 × 1,704; 480 KB
C.2008. Stem gout caused by balsam woolly adelgid. (39971692431).jpg 1,201 × 1,801; 304 KB
Capsid or leaf hopper damage (14400882175).jpg 3,264 × 2,448; 1.01 MB
Capsid or leaf hopper damage (14400883145).jpg 2,448 × 3,264; 1.34 MB
Capsid or leaf hopper damage (14421039203).jpg 3,264 × 2,448; 1.17 MB
Catalogue of exhibits of insect enemies of forests and forest products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904 (1904) (14760966306).jpg 2,132 × 2,936; 1.05 MB
Coffee Berries with Insect Bites.jpg 5,184 × 3,456; 2.09 MB
Commercial carnation culture; a practical guide to modern methods of growing the American carnation for market purposes (1915) (20479043130).jpg 1,666 × 2,862; 1.91 MB
Cucumber beetle damage.jpg 640 × 480; 61 KB

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