| 5445197 |
cochineal scale |
Dactylopius confusus |
large colony |
| 5445262 |
mealy plum aphid |
Hyalopterus pruni |
|
| 5445325 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
Colony exposed within curled ash leaf |
| 5445324 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
Colony exposed within curled ash leaf |
| 5445322 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
Colony exposed within curled ash leaf |
| 5445301 |
rabbitbrush beetle |
Trirhabda nitidicollis |
Defoliation of rabbit brush by larva |
| 5445264 |
mealy plum aphid |
Hyalopterus pruni |
summer host |
| 5445263 |
mealy plum aphid |
Hyalopterus pruni |
summer host |
| 5445260 |
mealy plum aphid |
Hyalopterus pruni |
Aphids massed on leaf of ornamental plum |
| 5445198 |
cochineal scale |
Dactylopius confusus |
large colony |
| 5445321 |
leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
Colony exposed within curled ash leaf |
| 5445174 |
woolly whitefly |
Aleurothrixus floccosus |
|
| 5445175 |
woolly whitefly |
Aleurothrixus floccosus |
|
| 5443237 |
cooley spruce gall adelgid |
Adelges cooleyi |
Gall broken open to show developing Cooley spruce gall adelgids |
| 5443238 |
cooley spruce gall adelgid |
Adelges cooleyi |
Cross-section of gall with developing Cooley spruce gall adelgids |
| 5443221 |
checkered melon beetle |
Paranapiacaba tricincta |
|
| 1455137 |
snailcase bagworm |
Apterona helix |
|
| 1325021 |
cooley spruce gall adelgid |
Adelges cooleyi |
on Douglas-fir |
| 1476089 |
sugar beet root aphid |
Pemphigus populivenae |
colonies on roots of quinoa |
| 1455133 |
cabbage aphid |
Brevicoryne brassicae |
Colony with parasitized aphid |
| 1455197 |
grape mealybug |
Pseudococcus maritimus |
|
| 1455134 |
cabbage aphid |
Brevicoryne brassicae |
Heavily infested leaf |
| 1455136 |
cabbage aphid |
Brevicoryne brassicae |
Colony with parasitized aphids and lady beetles |
| 1455135 |
cabbage aphid |
Brevicoryne brassicae |
Very dense colony |
| 1455023 |
locust leafminer |
Odontota dorsalis |
|
| 1476087 |
giant conifer aphids |
Cinara spp. |
colony on juniper twig |
| 1476100 |
oak phylloxerids |
Phylloxera spp. |
large colony on aspen |
| 5422141 |
checkered melon beetle |
Paranapiacaba tricincta |
Co-infestation of checkered melon beetle ( Paranapiacaba tricincta) and western corn rootworm ( Diabrotica virgifera virgifera) in squash blossom |
| 5422140 |
checkered melon beetle |
Paranapiacaba tricincta |
Co-infestation of checkered melon beete ( Paranapiacaba tricinta) and spotted cucumber beetle (Diabroticaundecimpunctata) on buffalo gourd |
| 5422136 |
woolly elm aphid |
Eriosoma americanum |
colony on Amelanchier roots |
| 5422168 |
linden aphid |
Eucallipterus tiliae |
Honeydew and sooty mold on linden leaves infested with linden aphid |
| 5382116 |
tulip bulb aphid |
Dysaphis tulipae |
Mixed life stages, infestation on Iris leaf. Note parasitized aphid on lower left.
|
| 5382090 |
lesser grain borer |
Rhyzopertha dominica |
Stuffed teddy bear filled with grain heavily infested with lesser grain borer.
|
| 5382091 |
lesser grain borer |
Rhyzopertha dominica |
Grain heavily infested with lesser grain borer that was used to stuff teddy bear.
|
| 5382041 |
pinyon needle scale |
Matsucoccus acalyptus |
Young scales settled between needles. Photograph taken July 13, 2008 from scales infesting pinyon.
|
| 5304018 |
waterlily aphid |
Rhopalosiphum nymphaeae |
Multiple colonies on cattail leaves in water garden |
| 5304022 |
squash bug |
Anasa tristis |
Late season mass of squash bugs on pumpkin fruit |
| 5303095 |
mountain pine beetle |
Dendroctonus ponderosae |
Recently killed and fading lodgepole pine. Rabbit Ears’ Pass, Routt County, Colorado. September 3, 2007 |
| 5303092 |
mountain pine beetle |
Dendroctonus ponderosae |
Recently killed and fading lodgepole pine. Rabbit Ears’ Pass, Routt County, Colorado. September 3, 2007 |
| 5303093 |
mountain pine beetle |
Dendroctonus ponderosae |
Recently killed and fading lodgepole pine. Rabbit Ears’ Pass, Routt County, Colorado. September 3, 2007 |
| 5303094 |
mountain pine beetle |
Dendroctonus ponderosae |
Recently killed and fading lodgepole pine. Rabbit Ears’ Pass, Routt County, Colorado. September 3, 2007 |
| 5304017 |
waterlily aphid |
Rhopalosiphum nymphaeae |
Close-up of colony |
| 5304020 |
squash bug |
Anasa tristis |
Late season mass of squash bugs on pumpkin fruit |
| 5187098 |
willow scale |
Diaspidiotus gigas |
Heavy infestation on bark of aspen |
| 5188003 |
pine leaf adelgid |
Pineus pinifoliae |
Aphids within gall |
| 5188002 |
oystershell scale |
Lepidosaphes ulmi |
Heavy infestation |
| 5187099 |
willow scale |
Diaspidiotus gigas |
Infestation on aspen and bubbling symptom on bark |
| 1475042 |
forest tent caterpillar |
Malacosoma disstria |
Mass of larvae on trunk. Lighter colored caterpillars have recently molted. |
| 1475016 |
waterlily aphid |
Rhopalosiphum nymphaeae |
small colony on water lily |
| 5083071 |
waterlily aphid |
Rhopalosiphum nymphaeae |
colony on pond-lily pad. Most of those in the foreground are mummies, parasitized by an Aphidius sp. braconid wasp |
| 5083063 |
waterlily aphid |
Rhopalosiphum nymphaeae |
colony on pond-lily pad |
| 5083052 |
woolly apple aphid |
Eriosoma lanigerum |
colony on crabapple sucker. |
| 5084038 |
reddish brown poplar aphid |
Pterocomma populifoliae |
small colony on poplar twig |
| 5083041 |
woolly apple aphid |
Eriosoma lanigerum |
colony on crabapple twig |
| 5082086 |
powdery juniper aphid |
Cinara pulverulens |
colony on juniper twig |
| 5083029 |
potato aphid |
Macrosiphum euphorbiae |
Colony of mixed morphs present on lettuce buds during early fall. |
| 5083030 |
potato aphid |
Macrosiphum euphorbiae |
colony of mixed morphs present on lettuce buds during early fall |
| 5083008 |
cowpea aphid |
Aphis craccivora |
colony on alfalfa stem |
| 5082075 |
rose aphid |
Macrosiphum rosae |
spring colony on rose bud |
| 5024079 |
cochineal scale |
Dactylopius confusus |
|
| 5024078 |
cochineal scale |
Dactylopius confusus |
individual scales on cactus pad |
| 2200093 |
crucifer flea beetle |
Phyllotreta cruciferae |
Heavy infestation on seedling broccoli. |
| 1455194 |
grape mealybug |
Pseudococcus maritimus |
|
| 1246040 |
cochineal scale |
Dactylopius confusus |
Colony on cactus pad |
| 1326234 |
giant willow aphid |
Tuberolachnus salignus |
Colony on Willow stem. |
| 1325081 |
oystershell scale |
Lepidosaphes ulmi |
Crawlers present after egg hatch |
| 1325093 |
oystershell scale |
Lepidosaphes ulmi |
of aspen |
| 1325019 |
twospotted spider mite |
Tetranychus urticae |
|
| 1325067 |
currant aphid |
Cryptomyzus ribis |
|
