| 5485677 |
hemlock woolly adelgid |
Adelges tsugae |
Hemlock mortality caused by Hemlock Woolly Adelgid (Adelges tsugae). |
| 5485663 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 5488009 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 5476127 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 3046068 |
cicadas |
|
shed nymphal exoskeletons at base of pine tree |
| 1593031 |
black pineleaf scale |
Dynaspidiotus californica |
Scale infestation on needles |
| 1593040 |
black pineleaf scale |
Dynaspidiotus californica |
Scale infestation on needles |
| 1593004 |
cooley spruce gall adelgid |
Adelges cooleyi |
Wool-covered adelgids on their alternate host, Douglas-fir. |
| 1593055 |
eastern spruce gall adelgid |
Adelges abietis |
Older galls |
| 1593006 |
spruce bud scale |
Physokermes piceae |
|
| 1593067 |
Saratoga spittlebug |
Aphrophora saratogensis |
Heavily damaged red pine growing in a dense stand of Sweetfern, the nymphal host of the Saratoga spittlebug |
| 1593005 |
eastern spruce gall adelgid |
Adelges abietis |
Odler galls caused by eastern spruce gall adelgid |
| 1593049 |
pine bark adelgid |
Pineus strobi |
Main stem coated with cottony-like pine bark adelgids. |
| 0795072 |
balsam woolly adelgid |
Adelges piceae |
crawler |
| 5468294 |
boxelder bug |
Boisea trivittata |
Adults and nymphs |
| 5468295 |
boxelder bug |
Boisea trivittata |
Adults and nymphs |
| 5468296 |
boxelder bug |
Boisea trivittata |
Adults and nymphs |
| 5468297 |
boxelder bug |
Boisea trivittata |
Adults and nymphs |
| 5468302 |
western conifer-seed bug |
Leptoglossus occidentalis |
|
| 5468303 |
western conifer-seed bug |
Leptoglossus occidentalis |
|
| 1748047 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 5445832 |
Norway maple aphid |
Periphyllus lyropictus |
Norway maple aphid |
| 1396068 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 5445555 |
mealybug |
Oracella acuta |
Parasitized female |
| 5445556 |
striped pine scale |
Toumeyella pini |
|
| 5445557 |
pine tortoise scale |
Toumeyella parvicornis |
Female with crawlers |
| 5445551 |
mealybug |
Oracella acuta |
Resin cells |
| 5445559 |
mealybug |
Oracella acuta |
Adult female with eggs |
| 5445552 |
pine tortoise scale |
Toumeyella parvicornis |
Females covered with waxy coating, male emerging from test (center) |
| 5445553 |
striped pine scale |
Toumeyella pini |
|
| 5445558 |
striped pine scale |
Toumeyella pini |
|
| 5445550 |
mealybug |
Oracella acuta |
Resin cell |
| 5445560 |
striped pine scale |
Toumeyella pini |
|
| 5445549 |
mealybug |
Oracella acuta |
|
| 1748046 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1467086 |
western conifer-seed bug |
Leptoglossus occidentalis |
1st instar |
| 0488054 |
spittlebugs or froghoppers |
|
damage on white pine |
| 1241706 |
western conifer-seed bug |
Leptoglossus occidentalis |
Brightly colored seed bug nymphs. This stage is common during summer months. |
| 1241708 |
western conifer-seed bug |
Leptoglossus occidentalis |
Seed bugs mating. Note flattened tibia on hind legs. This characteristic has resulted in their also being called "leaf-footed" bugs. |
| 0796017 |
soft scales |
Toumeyella spp. |
at base of developing shortleaf pine cone |
| 1468260 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2254013 |
cooley spruce gall adelgid |
Adelges cooleyi |
aphid mass covered with white waxy coating, |
| 2254012 |
cooley spruce gall adelgid |
Adelges cooleyi |
mass |
| 2253068 |
balsam woolly adelgid |
Adelges piceae |
note white appearance on tree bole |
| 2253062 |
spittlebugs or froghoppers |
|
nymph in spittle mass |
| 2252063 |
cooley spruce gall adelgid |
Adelges cooleyi |
on young douglas fir |
| 2252064 |
pine needle scale |
Chionaspis pinifoliae |
on Mugo pine |
| 2251075 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
|
| 0805052 |
spruce gall aphids |
Adelges spp. |
on spruce |
| 0805053 |
giant conifer aphids |
Cinara spp. |
aphids on spruce |
| 0796002 |
shieldbacked pine seed bug |
Tetyra bipunctata |
on pine shoot, a seed orchard pest |
| 0795083 |
white pine aphid |
Cinara strobi |
|
| 0795079 |
kermes scales |
Kermes spp. |
|
| 0488083 |
leaffooted pine seed bug |
Leptoglossus corculus |
on white pine |
| 0355010 |
petiolegall psyllid |
Pachypsylla venusta |
on oak |
| 1398221 |
pine bark adelgid |
Pineus strobi |
White coated bark on a pole-sized white pine. Waushara County, WI |
| 3067034 |
ash plant bug |
Tropidosteptes amoenus |
and damage |
| 1748049 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1396032 |
oak lace bug |
Corythucha arcuata |
|
| 1398120 |
leaffooted pine seed bug |
Leptoglossus corculus |
|
| 3066041 |
oak phylloxerids |
Phylloxera spp. |
new shoots in Nuttall oak seedlings killed |
| 3067031 |
ash plant bug |
Tropidosteptes amoenus |
nymphs, adults and injury |
| 1468141 |
aphids |
|
|
| 1400132 |
Saratoga spittlebug |
Aphrophora saratogensis |
Heavy damage to red pine due to saratoga spittlebug feeding. Ottawa National Forest, Michigan. |
| 3046006 |
psyllids |
|
|
| 0805051 |
spruce gall aphids |
Adelges spp. |
galls on white spruce |
| 3066040 |
oak phylloxerids |
Phylloxera spp. |
new shoots on Nuttall oak seedlings killed |
| 1396020 |
pine spittlebug |
Aphrophora cribrata |
|
| 1241564 |
cooley spruce gall adelgid |
Adelges cooleyi |
Galls on branch tips contain developing nymphs. Opened galls are red-brown, turning gray with age, and resemble small cones. |
| 1199030 |
pine bark adelgid |
Pineus strobi |
|
| 1199029 |
pine bark adelgid |
Pineus strobi |
Pine bark adelgid infestation on the bark of an eastern white pine |
| 1199023 |
spruce bud scale |
Physokermes piceae |
Mature scales on a branch |
| 1199031 |
beech scale |
Cryptococcus fagisuga |
|
| 0488057 |
spruce gall adelgid |
Pineus similis |
on spruce |
| 1470195 |
cottony maple scale |
Pulvinaria innumerabilis |
|
| 1441131 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1398057 |
leafhopper |
Typhlocyba albicans |
Stippling damage on leaf in early summer. Hiawatha National Forest, MI |
| 1241748 |
balsam woolly adelgid |
Adelges piceae |
|
| 1468270 |
balsam woolly adelgid |
Adelges piceae |
|
| 1470196 |
tuliptree scale |
Toumeyella liriodendri |
|
| 1398084 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
Distorted foliage due to an aphid infestation on green ash. Photo taken in Minnesota. |
| 1398085 |
ash plant bug |
Tropidosteptes amoenus |
Stippling damage on ash leaflet |
| 1398016 |
balsam twig aphid |
Mindarus abietinus |
Twisted needles on new growth, early spring. Photo taken in Anoka County, MN |
| 1400134 |
periodical cicada |
Magicicada septendecim |
Branch flagging due to oviposition damage on oak, central Iowa, 1997 brood of cicada. |
| 1400137 |
periodical cicada |
Magicicada septendecim |
Branch flagging on bur oak due to oviposition damage by the 1997 brood emergence of the periodical (17 year) cicada in central Iowa. |
| 3046049 |
kermes scales |
Kermes spp. |
|
| 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 |
| 1396021 |
pine spittlebug |
Aphrophora cribrata |
|
| 1468259 |
black pineleaf scale |
Dynaspidiotus californica |
1975 |
| 1468315 |
cicadas |
|
oviposition injury |
| 1400136 |
periodical cicada |
Magicicada septendecim |
Branch flagging (death) due to oviposition wounds on twigs, periodical cicada 1997 emergence brood, central Iowa. |
| 3056021 |
obscure scale |
Melanaspis obscura |
|
| 1468142 |
soft scales |
Toumeyella spp. |
|
| 1396019 |
pine spittlebug |
Aphrophora cribrata |
fifth instar |
| 0976061 |
poplar petiolegall aphid |
Pemphigus populitransversus |
large gall at Salida Ranger District |
| 1396127 |
leafhopper |
Typhlocyba albicans |
Hiawatha National Forest |
| 1396031 |
oak lace bug |
Corythucha arcuata |
|
| 2109072 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
Wooly ash aphids on underside of curled American ash leaf (Frazinus americana). The aphid colony has been largely parasitized by Aphelinus sp. Note the black aphid "mummies." |
| 3056024 |
oak lecanium |
Parthenolecanium quercifex |
|
| 3057016 |
leafhoppers |
|
on stems |
| 1241562 |
spruce aphid |
Elatobium abietinum |
Aphids are normally wingless, and feed gregariously on spruce or Douglas-fir foliage. |
| 1394088 |
Saratoga spittlebug |
Aphrophora saratogensis |
Menomonee Indian Reservation |
| 1441128 |
pine needle scale |
Chionaspis pinifoliae |
White female adult scales; eggs overwintering under adult scales |
| 1400135 |
periodical cicada |
Magicicada septendecim |
ovipositing damage |
| 1400051 |
cicadas |
|
Shawnee National Forest |
| 3067033 |
ash plant bug |
Tropidosteptes amoenus |
leaf stippling |
| 3066090 |
lace bugs |
Corythucha spp. |
adults, nymphs and fecal spots on leaf |
| 1396016 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 5435264 |
sycamore lace bug |
Corythucha ciliata |
Overwintering lace bug (Corythucha ciliata) under the bark of black cherry |
| 1276003 |
hemlock woolly adelgid |
Adelges tsugae |
With wax removed |
| 1441130 |
oystershell scale |
Lepidosaphes ulmi |
|
| 3066042 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
heavily curled leaves caused by aphids with a cluster of green lacewing eggs |
| 1468144 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 1388027 |
pine spittlebug |
Aphrophora cribrata |
Spittle |
| 1388024 |
balsam twig aphid |
Mindarus abietinus |
Twisted (distorted) new foliage |
| 0795076 |
balsam woolly adelgid |
Adelges piceae |
|
| 1669043 |
tuliptree scale |
Toumeyella liriodendri |
on tulip poplar showing adults and crawlers |
| 1468145 |
spittlebugs or froghoppers |
|
|
| 1276001 |
hemlock woolly adelgid |
Adelges tsugae |
Ovisacs on the underside of a branch |
| 1587167 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 2109068 |
flatid planthopper |
|
|
| 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 |
|
| 1441129 |
pine needle scale |
Chionaspis pinifoliae |
|
| 1748037 |
balsam woolly adelgid |
Adelges piceae |
|
| 0795084 |
pine bark adelgid |
Pineus strobi |
on white pine |
| 1241633 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2253069 |
balsam woolly adelgid |
Adelges piceae |
note characteristic white of tree bole |
| 1396092 |
pine bark adelgid |
Pineus strobi |
|
| 1398066 |
woolly elm aphid |
Eriosoma americanum |
Leaf gall |
| 0590100 |
balsam woolly adelgid |
Adelges piceae |
stand mortality at Mt. Mitchell |
| 1468271 |
oystershell scale |
Lepidosaphes ulmi |
|
| 0590098 |
balsam woolly adelgid |
Adelges piceae |
stand mortality at Mt. Mitchell |
| 1587070 |
balsam woolly adelgid |
Adelges piceae |
Balsam woolly adelgid on subalpine fir, infestation and mortality at edge of avalanche chute |
| 1587068 |
balsam woolly adelgid |
Adelges piceae |
|
| 1587074 |
balsam woolly adelgid |
Adelges piceae |
abnormal crown |
| 1587075 |
balsam woolly adelgid |
Adelges piceae |
abnormal crown |
| 1587073 |
balsam woolly adelgid |
Adelges piceae |
abnormal crown |
| 1587072 |
balsam woolly adelgid |
Adelges piceae |
abnormal crown |
| 1587173 |
spruce aphid |
Elatobium abietinum |
|
| 1587165 |
hemlock woolly adelgid |
Adelges tsugae |
Hemlock woolly adelgids on containerized western hemlock seed orchard in greenhouse |
| 1587164 |
giant conifer aphids |
Cinara spp. |
, Colony of giant conifer aphids on grand fir |
| 1587163 |
balsam twig aphid |
Mindarus abietinus |
|
| 1587083 |
spruce gall aphids |
Adelges spp. |
|
| 1388033 |
leafhopper |
Typhlocyba albicans |
Michigan's Upper Peninsula |
| 0355015 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1398051 |
beech scale |
Cryptococcus fagisuga |
Trunk covered with scale. Michigan's upper peninsula, 2004. |
| 1398049 |
beech scale |
Cryptococcus fagisuga |
Beech scale covering the bark of a larger American beech. Upper Peninsula of Michigan, 2002 |
| 3066047 |
giant bark aphid |
Longistigma caryae |
|
| 1484021 |
stink bugs |
|
stink bug nymph feeding on sawfly larvae |
| 1468074 |
pinyon needle scale |
Matsucoccus acalyptus |
|
| 3066046 |
poplar leaf aphid |
Chaitophorus populicola |
on 1st year plantation |
| 3067032 |
ash plant bug |
Tropidosteptes amoenus |
|
| 1468267 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1748035 |
cicadas |
|
flagging |
| 2253020 |
balsam woolly adelgid |
Adelges piceae |
|
| 1748036 |
balsam woolly adelgid |
Adelges piceae |
|
| 0805055 |
spruce bud scale |
Physokermes piceae |
scales on white spruce |
| 2109070 |
tuliptree scale |
Toumeyella liriodendri |
females |
| 1396076 |
periodical cicada |
Magicicada spp. |
|
| 0949050 |
pine needle scale |
Chionaspis pinifoliae |
|
| 1361124 |
lace bugs |
Corythucha spp. |
Lace bugs possess a hood-like extension of the pronotum that covers the head |
| 1468266 |
lecanium scales |
Coccus spp. |
|
| 1748043 |
balsam woolly adelgid |
Adelges piceae |
|
| 5042006 |
eastern spruce gall adelgid |
Adelges abietis |
Galls on white spruce |
| 5424553 |
pine bark adelgid |
Pineus strobi |
|
| 5424249 |
fletcher scale |
Parthenolecanium fletcheri |
Scale bodies on white-cedar foliage, mid-summer |
| 5424250 |
fletcher scale |
Parthenolecanium fletcheri |
Scale bodies on foliage of northern white-cedar |
| 5053062 |
beech scale |
Cryptococcus fagisuga |
Heavy infestation of Cryptococcus fagisuga scale on American beech |
| 5423952 |
psyllid |
Acizzia jamatonica |
An exotic psyllid specific to mimosa (Albizia) that is now widely distributed throughout the southeastern United States. |
| 5048083 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5048065 |
beech scale |
Cryptococcus fagisuga |
Cottony coverings of Cryptococcus fagisuga, the beech scale. |
| 5048076 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5048079 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5048095 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5048086 |
beech scale |
Cryptococcus fagisuga |
Beech bark disease. A severe infestation of Cryptococcus fagisuga in Ludington State Park, MI. |
| 5048096 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5048097 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5049001 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5049002 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5049003 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5049004 |
beech scale |
Cryptococcus fagisuga |
Cryptococcus fagisuga on American beech. |
| 5049078 |
periodical cicada |
Magicicada spp. |
Adult cicada recently emerged from pupa. |
| 5049075 |
periodical cicada |
Magicicada spp. |
Periodical cicada emerging from pupa |
| 5383233 |
periodical cicada |
Magicicada septendecim |
Top view of newly emerged adult. Older, darker color |
| 5203001 |
woolly apple aphid |
Eriosoma lanigerum |
Distorted leaf; photo taken in early June. |
| 5369988 |
balsam twig aphid |
Mindarus abietinus |
Damage, twisted foliage in early spring |
| 5369989 |
balsam twig aphid |
Mindarus abietinus |
Damage, twisted needles in early spring |
| 5369990 |
balsam twig aphid |
Mindarus abietinus |
Damage, twisted needles in early spring |
| 5383232 |
periodical cicada |
Magicicada septendecim |
Newly emerged adult, wings fully expanded. Still light in color |
| 5383234 |
periodical cicada |
Magicicada septendecim |
Side view of newly emerged adult on nymphal shell. |
| 5383235 |
periodical cicada |
Magicicada septendecim |
Oak trees in pasture with flagging damage |
| 5383236 |
periodical cicada |
Magicicada septendecim |
Oak tree in yard with flagging damage |
| 5383237 |
periodical cicada |
Magicicada septendecim |
Closeup of eggs in twig. |
| 5383238 |
periodical cicada |
Magicicada septendecim |
Closeup of eggs in twig. |
| 5383239 |
periodical cicada |
Magicicada septendecim |
Cicada eggs on penny to show size. |
| 5383240 |
periodical cicada |
Magicicada septendecim |
Nymph just prior to emergence of adult. |
| 5383241 |
periodical cicada |
Magicicada septendecim |
Closeup of oviposition site on twig. |
| 5383230 |
periodical cicada |
Magicicada septendecim |
Adult emerging from nymphal shell |
| 5383231 |
periodical cicada |
Magicicada septendecim |
Newly emerged adult, beginning to inflate wings. Still light in color |
| 5383242 |
periodical cicada |
Magicicada septendecim |
|
| 5383243 |
periodical cicada |
Magicicada septendecim |
Close up of oviposition site on twig |
| 5290077 |
Matsucoccus scales |
Matsucoccus spp. |
|
| 2109071 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 0488019 |
stink bugs |
|
nymph feeding on sawfly larva |
| 0488017 |
stink bugs |
|
|
| 0488018 |
stink bugs |
|
nymph feeding on sawfly larva |
| 1473134 |
balsam twig aphid |
Mindarus abietinus |
|
| 2143001 |
pinyon needle scale |
Matsucoccus acalyptus |
|
| 2142092 |
pine needle scale |
Chionaspis pinifoliae |
close-up |
| 2142093 |
pine needle scale |
Chionaspis pinifoliae |
close-up |
| 2142094 |
pine needle scale |
Chionaspis pinifoliae |
infested branch |
| 2142095 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on needle |
| 2142096 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on pine needles |
| 2142097 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on needles |
| 2142098 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on needles |
| 2142099 |
pinyon needle scale |
Matsucoccus acalyptus |
defoliated tree |
| 2143002 |
pinyon needle scale |
Matsucoccus acalyptus |
|
| 2912016 |
cypress aphid |
Cinara cupressivora |
cypress aphid on cypress hedge-Kenya |
| 2912017 |
cypress aphid |
Cinara cupressivora |
cypress aphid |
| 4166020 |
cochineal insect |
Dactylopius coccus |
scale insect on prickly pear used to make red dye-red; carmine dye; cochineal dye; Same dye used in the british red coats; |
| 2912011 |
cypress aphid |
Cinara cupressivora |
cypress aphid; Cinara cupressi |
| 2912015 |
cypress aphid |
Cinara cupressivora |
cypress aphid damage in Kenya |
| 2912012 |
leucaena psyllid |
Heteropsylla cubana |
Leucaenca psyllid damage |
| 2912013 |
leucaena psyllid |
Heteropsylla cubana |
Leucaena psyllid near Monbasa, Kenya |
| 5288020 |
predatory stink bug |
Euthyrhynchus floridanus |
|
| 5288021 |
predatory stink bug |
Euthyrhynchus floridanus |
|
| 5288022 |
predatory stink bug |
Euthyrhynchus floridanus |
|
| 5288023 |
predatory stink bug |
Euthyrhynchus floridanus |
|
| 5288024 |
predatory stink bug |
Euthyrhynchus floridanus |
4th instar |
| 1520083 |
hemlock woolly adelgid |
Adelges tsugae |
HWA on hemlock needles |
| 1520084 |
hemlock woolly adelgid |
Adelges tsugae |
HWA on hemlock needles |
| 1520094 |
shieldbacked pine seed bug |
Tetyra bipunctata |
Shieldbacked pine seed bug - Tetyra bipunctata |
| 1520081 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1520082 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1510050 |
balsam woolly adelgid |
Adelges piceae |
Balsam wooly adelgid killed frazier fir |
| 1510051 |
balsam woolly adelgid |
Adelges piceae |
Gouting of Frasier fir from balsam wooly adelgid |
| 1518046 |
periodical cicada |
Magicicada spp. |
|
| 1510053 |
balsam woolly adelgid |
Adelges piceae |
Balsam wooly adelgid infested fir bole |
| 1510086 |
balsam woolly adelgid |
Adelges piceae |
Balsam wooly adelgid caused mortality |
| 0355019 |
spruce gall aphids |
Adelges spp. |
thinning crowns |
| 5203003 |
woolly elm aphid |
Eriosoma americanum |
American elm leaf distorted by woolly elm aphid; Photo taken in Ramsey Co., MN, June 2006 |
| 5203004 |
woolly elm aphid |
Eriosoma americanum |
American elm leaf distorted by woolly elm aphid; photo taken in ramsey Co., MN, June 2006 |
| 5203005 |
woolly elm aphid |
Eriosoma americanum |
Elm leaf distorted by woolly elm aphids; Photo taken in Ramsey Co., MN, June 2006 |
| 5203022 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
Galls caused by the hackberry nipple gall maker on the underside of a hackberry leaf; Photo taken in Ramsey Co., MN |
| 5203023 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
galls caused by the hackberry nipple gall maker on the underside of a hackberry leaf; Photo taken in Ramsey Co., MN |
| 5203024 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
Single gall |
| 2254044 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 1479024 |
Saratoga spittlebug |
Aphrophora saratogensis |
Branch mortality caused by adult Saratoga spittlebug feeding damage on young red pine. Similar damage can be caused by Sirococcus shoot blight. Photo taken on the Ottawa National Forest, Michigan. |
| 3036038 |
balsam woolly adelgid |
Adelges piceae |
Parking lot at Mt. Mitchel from visitor tower |
| 5046099 |
beech scale |
Cryptococcus fagisuga |
and tarry spots |
| 5049077 |
periodical cicada |
Magicicada spp. |
emerging cicada |
| 5049076 |
periodical cicada |
Magicicada spp. |
ovipositioning |
| 5051070 |
periodical cicada |
Magicicada spp. |
emerging cicada |
| 2181100 |
European elm scale |
Gossyparia spuria |
|
| 2182002 |
European elm scale |
Gossyparia spuria |
|
| 2182028 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 2182029 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 2182030 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 2183040 |
periodical cicada |
Magicicada septendecim |
|
| 2181094 |
cottony maple scale |
Pulvinaria innumerabilis |
|
| 2181095 |
cottony maple scale |
Pulvinaria innumerabilis |
|
| 2181096 |
cottony maple scale |
Pulvinaria innumerabilis |
|
| 2182022 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 2183093 |
pine tortoise scale |
Toumeyella parvicornis |
with crawlers in display case |
| 2181087 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 2181088 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 2181089 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 2181090 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 2182017 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2182018 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2183091 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2183092 |
pine needle scale |
Chionaspis pinifoliae |
|
| 2182012 |
oystershell scale |
Lepidosaphes ulmi |
|
| 2182013 |
oystershell scale |
Lepidosaphes ulmi |
|
| 2183085 |
oystershell scale |
Lepidosaphes ulmi |
|
| 2183086 |
oystershell scale |
Lepidosaphes ulmi |
|
| 2182007 |
European fruit lecanium |
Parthenolecanium corni |
|
| 2182008 |
European fruit lecanium |
Parthenolecanium corni |
|
| 2182009 |
European fruit lecanium |
Parthenolecanium corni |
close view |
| 2182014 |
pine bark adelgid |
Pineus strobi |
|
| 2182015 |
pine bark adelgid |
Pineus strobi |
|
| 2181084 |
balsam woolly adelgid |
Adelges piceae |
|
| 2181085 |
balsam woolly adelgid |
Adelges piceae |
|
| 2182032 |
spruce gall adelgid |
Pineus similis |
|
| 2182033 |
spruce gall adelgid |
Pineus similis |
gall |
| 2182034 |
spruce gall adelgid |
Pineus similis |
|
| 2182001 |
European elm leafcurl aphid |
Eriosoma ulmi |
|
| 5050024 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5050025 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5050026 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5050027 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 5027034 |
hemlock woolly adelgid |
Adelges tsugae |
treatment with Ima-Jet system using imidachloprid |
| 5042089 |
beech scale |
Cryptococcus fagisuga |
crawler |
| 5042090 |
beech scale |
Cryptococcus fagisuga |
crawlers |
| 2199094 |
melaleuca psyllid |
Boreioglycaspsis melaleucae |
Biological control agent on melaleuca. Nymphs produce a white waxy flocculence on host stems and leaves. The orange-colored adult psyllid is pictured to the upper left of the waxy material. |
| 1468261 |
pine needle scale |
Chionaspis pinifoliae |
|
| 1468263 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 1468314 |
periodical cicada |
Magicicada spp. |
|
| 1468313 |
dog-day cicada |
Tibicen spp. |
June 2, 1977 |
| 1468316 |
dog-day cicada |
Tibicen spp. |
June 2, 1977 |
| 1468273 |
European elm scale |
Eriococcus spuria |
|
| 1468268 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1468272 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1468264 |
pine needle scale |
Chionaspis pinifoliae |
|
| 1468180 |
cochineal scale |
Dactylopius confusus |
|
| 1468262 |
black pineleaf scale |
Dynaspidiotus californica |
1971 |
| 1468265 |
cottony maple scale |
Pulvinaria innumerabilis |
|
| 1468269 |
bean aphid |
Aphis fabae |
|
| 1468256 |
giant conifer aphids |
Cinara spp. |
|
| 1468143 |
pinyon needle scale |
Matsucoccus acalyptus |
adult and immature |
| 1468175 |
spruce mealybug |
Puto sandini |
|
| 1468176 |
spruce mealybug |
Puto sandini |
|
| 1468177 |
spruce mealybug |
Puto sandini |
pupal cases |
| 1468178 |
spruce mealybug |
Puto sandini |
|
| 1468179 |
spruce mealybug |
Puto sandini |
pupal cases of males |
| 1468182 |
spruce mealybug |
Puto sandini |
|
| 1468174 |
wheel bug |
Arilus cristatus |
July 1996 |
| 1468073 |
pinyon needle scale |
Matsucoccus acalyptus |
1970 |
| 1470194 |
pine tortoise scale |
Toumeyella parvicornis |
|
| 1470115 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1470156 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1470157 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1470158 |
oystershell scale |
Lepidosaphes ulmi |
|
| 1398045 |
sycamore lace bug |
Corythucha ciliata |
|
| 1396017 |
Saratoga spittlebug |
Aphrophora saratogensis |
Nicolet National Forest |
| 1396018 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 1396049 |
shieldbacked pine seed bug |
Tetyra bipunctata |
|
| 1396093 |
pine bark adelgid |
Pineus strobi |
|
| 1396091 |
pine bark adelgid |
Pineus strobi |
|
| 1396015 |
Saratoga spittlebug |
Aphrophora saratogensis |
flagging damaged trees |
| 1400131 |
Saratoga spittlebug |
Aphrophora saratogensis |
spittlebugs in spittle mass at base of sweetfern. Ottawa National Forest, Michigan. |
| 1394077 |
pine leaf adelgid |
Pineus pinifoliae |
|
| 1394087 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 1394078 |
periodical cicada |
Magicicada spp. |
protection |
| 1394021 |
poplar vagabond aphid |
Mordvilkoja vagabunda |
|
| 1394022 |
poplar vagabond aphid |
Mordvilkoja vagabunda |
|
| 1394018 |
boxelder bug |
Boisea trivittata |
with adults |
| 1394019 |
boxelder bug |
Boisea trivittata |
|
| 1388016 |
stink bugs |
|
Biological control, stink bug nymph feeding on an ash sawfly larva |
| 1276004 |
hemlock woolly adelgid |
Adelges tsugae |
Recently infested |
| 1276005 |
hemlock woolly adelgid |
Adelges tsugae |
Tree removal |
| 1276002 |
hemlock woolly adelgid |
Adelges tsugae |
Adult and eggs inside an ovisac |
| 1748044 |
balsam woolly adelgid |
Adelges piceae |
|
| 1748041 |
balsam woolly adelgid |
Adelges piceae |
|
| 1748042 |
balsam woolly adelgid |
Adelges piceae |
|
| 1748040 |
balsam woolly adelgid |
Adelges piceae |
|
| 1748039 |
balsam woolly adelgid |
Adelges piceae |
|
| 1301038 |
periodical cicada |
Magicicada spp. |
|
| 1510011 |
hemlock woolly adelgid |
Adelges tsugae |
closeup |
| 1241630 |
pinyon needle scale |
Matsucoccus acalyptus |
Pinon foliage with larvae of pinon leaf scale. |
| 1241632 |
pinyon needle scale |
Matsucoccus acalyptus |
Foliage loss and discoloration due to pinon leaf scale. |
| 1241707 |
western conifer-seed bug |
Leptoglossus occidentalis |
Adult seed bug is well camouflaged on a cone. |
| 1241634 |
pine needle scale |
Chionaspis pinifoliae |
White pine needle scales and black mold growth which often develops on the exudates of the scale insects. |
| 1241522 |
aphids |
|
|
| 3066037 |
woolly alder aphid |
Prociphilus tessellatus |
on European black alder |
| 3066038 |
oak phylloxerids |
Phylloxera spp. |
leaves curled and deformed on Nuttall oak |
| 0795074 |
balsam woolly adelgid |
Adelges piceae |
on Richland balsam at Mt. Mitchell |
| 1441103 |
spruce gall aphids |
Adelges spp. |
laid by overwintering female on needle |
| 0590099 |
balsam woolly adelgid |
Adelges piceae |
stand mortality at Mt. Mitchell |
| 0364001 |
balsam woolly adelgid |
Adelges piceae |
stand mortality at Mt. Mitchell |
| 1748021 |
anchor stink bug |
Stiretrus anchorago |
adult bug feeding on larva of eastern tent caterpillar |
| 4166017 |
cypress aphid |
Cinara cupressivora |
small patch of forest attacked in Kenya, Africa |
| 1307095 |
cypress aphid |
Cinara cupressivora |
aerial view of damage in Kenya, Africa |
| 4166006 |
cypress aphid |
Cinara cupressivora |
to 28 year old in Kenya, Africa |
| 4166008 |
cypress aphid |
Cinara cupressivora |
plantation in east Africa |
| 1307006 |
cypress aphid |
Cinara cupressivora |
Peter Kiwuso, a Forest Entomologist in Uganda, Africa with colleagues evaluating damage |
| 1307011 |
cypress aphid |
Cinara cupressivora |
in east Africa |
| 1307015 |
cypress aphid |
Cinara cupressivora |
in Kenya, Africa |
| 1307016 |
cypress aphid |
Cinara cupressivora |
to cypress hedge in Kenya, Africa |
| 1307017 |
cypress aphid |
Cinara cupressivora |
in east Africa |
| 1307097 |
cypress aphid |
Cinara cupressivora |
small woodland attacked in Kenya, Africa |
| 1307013 |
leucaena psyllid |
Heteropsylla cubana |
near Mombasa, Kenya, Africa |
| 3037028 |
cicadas |
|
|
| 3066032 |
sugarberry psyllid |
Tetragonocephela flava |
decline leaf curl |
| 3067076 |
sycamore lace bug |
Corythucha ciliata |
|
| 3067078 |
sycamore lace bug |
Corythucha ciliata |
|
| 3067042 |
boxelder bug |
Boisea trivittata |
aggregating in fall |
| 3066045 |
poplar leaf aphid |
Chaitophorus populicola |
|
| 3066043 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
|
| 3066044 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
infested terminal |
| 3066048 |
oak leaf aphids |
Myzocallis spp. |
|
| 3056023 |
oak pit scale |
Asterolecanium minus |
|
| 3056025 |
oak pit scale |
Asterolecanium minus |
|
| 3056022 |
kermes scales |
Kermes spp. |
on white oak |
| 3046009 |
lecanium scales |
Coccus spp. |
|
| 3046010 |
lecanium scales |
Coccus spp. |
|
| 2253021 |
kermes scales |
Kermes spp. |
|
| 2254004 |
black pineleaf scale |
Dynaspidiotus californica |
on ponderosa pine |
| 2254005 |
black pineleaf scale |
Dynaspidiotus californica |
on ponderosa pine |
| 2252066 |
balsam woolly adelgid |
Adelges piceae |
close-up |
| 2254052 |
balsam woolly adelgid |
Adelges piceae |
on subalpine fir |
| 2254051 |
aphids |
|
sooty mold on grand fir |
| 2254041 |
cooley spruce gall adelgid |
Adelges cooleyi |
galls on spruce |
| 0949066 |
pine needle scale |
Chionaspis pinifoliae |
|
| 0949046 |
black pineleaf scale |
Dynaspidiotus californica |
|
| 0949048 |
black pineleaf scale |
Dynaspidiotus californica |
on Jeffery pine |
| 0949051 |
black pineleaf scale |
Dynaspidiotus californica |
on Jeffery pine
note needle discoloration from feeding |
| 0949029 |
pine needle scale |
Chionaspis pinifoliae |
on lodgepole pine |
| 1748058 |
pine tortoise scale |
Toumeyella parvicornis |
see also 1748060 |
| 1748060 |
pine tortoise scale |
Toumeyella parvicornis |
see also 1748058 |
| 1748034 |
cicadas |
|
flagging |
| 1748069 |
cicadas |
|
|
| 1748020 |
spittlebugs or froghoppers |
|
|
| 1748048 |
hemlock woolly adelgid |
Adelges tsugae |
thinning of crown |
| 1748015 |
aphids |
|
on locust |
| 1748009 |
pine and spruce adelgids |
Pineus spp. |
|
| 1748038 |
balsam woolly adelgid |
Adelges piceae |
|
| 1748045 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1678062 |
balsam woolly adelgid |
Adelges piceae |
gouting damage |
| 1678065 |
cooley spruce gall adelgid |
Adelges cooleyi |
gall on engelmann spruce |
| 1678061 |
balsam twig aphid |
Mindarus abietinus |
adult and eggs |
| 0805054 |
spruce aphid |
Elatobium abietinum |
defoliation on Sitka spruce |
| 0805049 |
European birch aphid |
Euceraphis punctipennis |
nymphs and feeding damage |
| 0590071 |
tuliptree aphid |
Illinoia liriodendri |
nymphs and adults |
| 0488053 |
spittlebugs or froghoppers |
|
nymph covered with spittle mass on white pine |
| 0488036 |
periodical cicada |
Magicicada septendecim |
ovipositioning slits on stem |
| 0488037 |
periodical cicada |
Magicicada septendecim |
ovipositioning slits on stem |
| 0488055 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 0488088 |
oak eriococcin |
Eriococcus quercus |
|
| 0488089 |
oak treehopper |
Platycotis vittata |
|
| 0488062 |
shieldbacked pine seed bug |
Tetyra bipunctata |
a seed orchard pest |
| 0488077 |
shieldbacked pine seed bug |
Tetyra bipunctata |
a seed orchard pest |
| 0488085 |
pine bark adelgid |
Pineus strobi |
|
| 0488086 |
pine bark adelgid |
Pineus strobi |
to white pine |
| 0488068 |
leaffooted pine seed bug |
Leptoglossus corculus |
a seed orchard pest |
| 0488073 |
leaffooted pine seed bug |
Leptoglossus corculus |
a seed orchard pest |
| 0355012 |
cicadas |
|
|
