| 5495186 |
giant conifer aphids |
Cinara spp. |
Giant conifer aphid infestation on blue spruce |
| 1593049 |
pine bark adelgid |
Pineus strobi |
Main stem coated with cottony-like pine bark adelgids. |
| 1207028 |
fir engraver |
Scolytus ventralis |
Close-up view of bole showing infestation in Goodman Ridge area, Walla Walla Ranger District, 1976 |
| 5454003 |
black pineleaf scale |
Dynaspidiotus californica |
newly settled scales |
| 1247035 |
woolly pine scale |
Pseudophilippia quaintancii |
|
| 1468076 |
pinyon ips |
Ips confusus |
|
| 4836004 |
pine needle scale |
Chionaspis pinifoliae |
heavy infestation on mugo pine |
| 4544054 |
northern bark beetle |
Ips duplicatus |
|
| 2721073 |
balsam woolly adelgid |
Adelges piceae |
Clingman's Dome Category: Damage 3 Great Smokey Mountains National Park stand killed |
| 0805053 |
giant conifer aphids |
Cinara spp. |
aphids on spruce |
| 0795083 |
white pine aphid |
Cinara strobi |
|
| 1325021 |
cooley spruce gall adelgid |
Adelges cooleyi |
on Douglas-fir |
| 1398221 |
pine bark adelgid |
Pineus strobi |
White coated bark on a pole-sized white pine. Waushara County, WI |
| 0907010 |
pine bark adelgid |
Pineus strobi |
white, woolly tufts wax coat trunk of white pine |
| 4544093 |
larch casebearer |
Coleophora laricella |
|
| 1361129 |
woolly pine scale |
Pseudophilippia quaintancii |
|
| 5114086 |
oystershell scale |
Lepidosaphes ulmi |
mistletoe host found in fir species Collector: Adams Date of photograph or collection: 4/21/1983 |
| 1468213 |
western spruce budworm |
Choristoneura freemani |
September 1978 |
| 5115062 |
mealybug |
Dysmicoccus ryani |
Collector: Paddock Date of photograph or collection: 5/7/1980 |
| 5113075 |
mealybug |
Dysmicoccus ryani |
Collector: Paddock Date of photograph or collection: 5/7/1980 |
| 1199030 |
pine bark adelgid |
Pineus strobi |
|
| 1199029 |
pine bark adelgid |
Pineus strobi |
Pine bark adelgid infestation on the bark of an eastern white pine |
| 3226097 |
striped pine scale |
Toumeyella pini |
close-up on pine |
| 1241748 |
balsam woolly adelgid |
Adelges piceae |
|
| 1398224 |
pine bark adelgid |
Pineus strobi |
Whitewashed appearance on a heavily infested stem. Waushara County, Wisconsin |
| 1398223 |
pine bark adelgid |
Pineus strobi |
White cottony masses on the bark |
| 3040051 |
pine bark adelgid |
Pineus strobi |
|
| 1361256 |
redheaded pine sawfly |
Neodiprion lecontei |
|
| 3226044 |
aphids |
|
on stem |
| 1626009 |
hemlock woolly adelgid |
Adelges tsugae |
Underneath the wax, adelgids resemble tiny, plump aphids without cornicles. |
| 0795076 |
balsam woolly adelgid |
Adelges piceae |
|
| 1468145 |
spittlebugs or froghoppers |
|
|
| 0534090 |
European spruce bark beetle |
Ips typographus |
|
| 1587167 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 1398217 |
black pineleaf scale |
Dynaspidiotus californica |
Mugo pine needles infested with black pineleaf scales. Photo taken in Moundsview MN, stressed ornamental mugo pine. |
| 0488049 |
balsam woolly adelgid |
Adelges piceae |
|
| 0795084 |
pine bark adelgid |
Pineus strobi |
on white pine |
| 1274059 |
pine bark adelgid |
Pineus strobi |
|
| 1468412 |
Ips engraver beetles |
Ips spp. |
bad slash disposal |
| 0590098 |
balsam woolly adelgid |
Adelges piceae |
stand mortality at Mt. Mitchell |
| 1587164 |
giant conifer aphids |
Cinara spp. |
, Colony of giant conifer aphids on grand fir |
| 0012012 |
Ichneumonid wasp |
Orthocentrus fulvipes |
outstanding swarming of a parasitoid of Cephalcia arvensis |
| 1468001 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
defoliated grand fir |
| 1171022 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch tubes |
| 1468218 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
|
| 2253020 |
balsam woolly adelgid |
Adelges piceae |
|
| 1293003 |
hemlock woolly adelgid |
Adelges tsugae |
Pale crown appearance with no new growth indicate this tree is under severe attack from Hemlock Woolly Adelgids. |
| 0949050 |
pine needle scale |
Chionaspis pinifoliae |
|
| 1468098 |
spruce beetle |
Dendroctonus rufipennis |
Manti-LaSal National Forest, Utah |
| 1171027 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Boring frass in bark crevices |
| 1468125 |
white fir needleminer |
Epinotia meritana |
|
| 5391809 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1540652 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 1540629 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 5377647 |
adelgid |
Dreyfusia nordmannianae |
|
| 5377640 |
adelgid |
Dreyfusia nordmannianae |
crawlers on the basal side of the needles |
| 5371212 |
pine bark adelgid |
Pineus strobi |
|
| 0017081 |
giant conifer aphids |
Cinara spp. |
Infestation of an introduced conifer aphid, Florestal Mobasa. |
| 0017082 |
giant conifer aphids |
Cinara spp. |
Infestation of an introduced conifer aphid, Florestal Mobasa. |
| 5377975 |
aphid |
Schizolachnus pineti |
|
| 1370039 |
European spruce bark beetle |
Ips typographus |
Outbreak area on the forest border area |
| 1269025 |
European spruce bark beetle |
Ips typographus |
Infested stand |
| 2113050 |
European spruce bark beetle |
Ips typographus |
killed stand due to infestation; summer 1998 |
| 5378572 |
European spruce bark beetle |
Ips typographus |
|
| 5378578 |
European spruce bark beetle |
Ips typographus |
|
| 5378576 |
European spruce bark beetle |
Ips typographus |
|
| 5378577 |
European spruce bark beetle |
Ips typographus |
|
| 5378574 |
European spruce bark beetle |
Ips typographus |
|
| 3948086 |
red pine adelgid |
Pineus borneri |
Infested branch near Muguga |
| 5081030 |
gypsy moth |
Lymantria dispar |
egg masses |
| 5371245 |
larch casebearer |
Coleophora laricella |
|
| 5371252 |
large larch bark beetle |
Ips cembrae |
|
| 5346029 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality, Tennessee Mtn, Boulder Co, CO, August 2007 |
| 5346030 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Heavy defoliation, Douglas Co, CO, August 2007 |
| 1510039 |
locust leafminer |
Odontota dorsalis |
Locust leaf miner damage (landscape scale) |
| 1510053 |
balsam woolly adelgid |
Adelges piceae |
Balsam wooly adelgid infested fir bole |
| 2254044 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5135046 |
spruce beetle |
Dendroctonus rufipennis |
Aerial view of defoliation, Rawah Range, Roosevelt, NF, CO |
| 5135058 |
Ips engraver beetles |
Ips spp. |
Aerial survey from 2006.; Aerial view of scattered tree mortality adjecent to Picnic Rock Fire west of Fort Collins, CO |
| 5135079 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Defoliation in urban area near Aspen Park, CO |
| 5136097 |
fir engraver |
Scolytus ventralis |
Aerial view of damage, Carson NF, NM |
| 5136098 |
fir engraver |
Scolytus ventralis |
Aerial view of damage, Carson NF, NM |
| 2167059 |
fir engraver |
Scolytus ventralis |
Aerial view of tree mortality |
| 2167060 |
fir engraver |
Scolytus ventralis |
Aerial view of damage |
| 2167062 |
fir engraver |
Scolytus ventralis |
Aerial view of damage |
| 2167063 |
fir engraver |
Scolytus ventralis |
Aerial view of damage |
| 2167011 |
hemlock woolly adelgid |
Adelges tsugae |
Decline and mortality |
| 2167013 |
hemlock woolly adelgid |
Adelges tsugae |
Decline and mortality |
| 2167014 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 2167015 |
hemlock woolly adelgid |
Adelges tsugae |
Decline and mortality |
| 1479007 |
jack pine budworm |
Choristoneura pinus pinus |
Characteristic top-kill and mortality in jack pine following a jack pine budworm outbreak. Photo taken on the Chequamegon National Forest, northwest Wisconsin. |
| 5021019 |
gypsy moth |
Lymantria dispar |
|
| 5021040 |
bagworm |
Thyridopteryx ephemeraeformis |
|
| 5020036 |
gypsy moth |
Lymantria dispar |
|
| 5020050 |
gypsy moth |
Lymantria dispar |
|
| 4836041 |
pine needle scale |
Chionaspis pinifoliae |
heavy infestation on mugo pine |
| 2181087 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 2182022 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 2182032 |
spruce gall adelgid |
Pineus similis |
|
| 2183091 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2183093 |
pine tortoise scale |
Toumeyella parvicornis |
with crawlers in display case |
| 1518059 |
balsam woolly adelgid |
Adelges piceae |
Stem attack on Abies fraseri, Mt. Mitchell State Park, NC, ca 1961. |
| 2721075 |
balsam woolly adelgid |
Adelges piceae |
Clingman's Dome
Category: Damage 2
stand killed - Great Smokey Mountains National Park |
| 2113080 |
larch casebearer |
Coleophora laricella |
symptoms of heavy damage |
| 2111063 |
European spruce bark beetle |
Ips typographus |
infestation spot in Norway spruce stand; June 1999 |
| 0758160 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation |
| 0758161 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation |
| 0758166 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation |
| 0758167 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation |
| 0758169 |
western spruce budworm |
Choristoneura freemani |
Aerial view of defoliation |
| 0758171 |
western spruce budworm |
Choristoneura freemani |
Defoliation |
| 1467452 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1467453 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1468263 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 1470061 |
true fir bark beetles |
Scolytus spp. |
|
| 1468358 |
pine tube moth |
Argyrotaenia pinatubana |
|
| 1468073 |
pinyon needle scale |
Matsucoccus acalyptus |
1970 |
| 1276004 |
hemlock woolly adelgid |
Adelges tsugae |
Recently infested |
| 1748039 |
balsam woolly adelgid |
Adelges piceae |
|
| 1626030 |
fletcher scale |
Parthenolecanium fletcheri |
Due to premature needle drop, infested plants become thin and a crust of sooty mold covers twigs and remaining needles |
| 1626003 |
aphids |
|
Aphids feed in colonies. They have plump, pear-shaped bodies and two tubes, or cornicles, which project like exhaust pipes from their abdomens. |
| 1241522 |
aphids |
|
|
| 1171023 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch tubes |
| 3948059 |
aphids, leafhoppers, planthoppers, scale insects and allies |
|
Scales on juniper berries, Ziarat Forest. |
| 3943003 |
mealybug |
Oracella acuta |
Infested breanch |
| 3943004 |
mealybug |
Oracella acuta |
Infested branch |
| 3943035 |
red pine adelgid |
Pineus borneri |
Stem attack on young pine, west of Kabale. |
| 3943036 |
red pine adelgid |
Pineus borneri |
Stem infestation on young pine, west of Kabale. |
| 3948002 |
cypress aphid |
Cinara cupressivora |
Colony on branch. |
| 1748048 |
hemlock woolly adelgid |
Adelges tsugae |
thinning of crown |
| 0488086 |
pine bark adelgid |
Pineus strobi |
to white pine |
