| 5485663 |
hemlock woolly adelgid |
Adelges tsugae |
|
| 1470054 |
spruce budworm |
Choristoneura fumiferana |
Egg mass hatched |
| 5449377 |
emerald ash borer |
Agrilus planipennis |
The eggs of emerald ash borer are laid on ash trees in bark crevices or between bark layers. The eggs are white when first laid, but soon turn an amber color. |
| 5449381 |
emerald ash borer |
Agrilus planipennis |
Eggs of emerald ash borer are ~1mm in diamater and amber in color. Females lay their eggs on ash trees in bark crevices and between layers of bark. To find eggs in the field, we use a sharp knife to separated bark layers, exposing the eggs, |
| 1396003 |
spruce budworm |
Choristoneura fumiferana |
parasitized egg mass |
| 1394068 |
oak leaftier |
Croesia semipurpurana |
|
| 1470178 |
European pine sawfly |
Neodiprion sertifer |
|
| 1394041 |
fall cankerworm |
Alsophila pometaria |
|
| 1394034 |
forest tent caterpillar |
Malacosoma disstria |
|
| 2252028 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
masses and old pupal case |
| 0795010 |
eastern pine looper |
Lambdina pellucidaria |
on loblolly pine needles |
| 1398013 |
two-spotted lady beetle |
Adalia bipunctata |
Photo taken in early spring, Minnesota, balsam fir was infested with balsam twig aphid, Mindarus abietinus |
| 1396004 |
spruce budworm |
Choristoneura fumiferana |
hatched |
| 1468030 |
western false hemlock looper |
Nepytia freemani |
|
| 1678023 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
|
| 1468040 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
|
| 3066029 |
forest tent caterpillar |
Malacosoma disstria |
egg mass on twig, unhatched |
| 1468329 |
Geometrid moth |
Lambdina vitraria |
|
| 0021016 |
gorse soft shoot moth |
Agonopterix ulicitella |
|
| 1441023 |
spruce beetle |
Dendroctonus rufipennis |
newly laid |
| 3057062 |
pinkstriped oakworm |
Anisota virginiensis |
2 egg masses on leaf |
| 1398254 |
large aspen tortrix |
Choristoneura conflictana |
Upper Peninsula of Michigan |
| 1517069 |
cypress looper |
Iridopsis pergracilis |
eggs of cypress looper deposited under bark |
| 1118383 |
killdeer |
Charadrius vociferous |
|
| 1470179 |
European pine sawfly |
Neodiprion sertifer |
|
| 1468225 |
aspen leaftier |
Pseudosciaphila duplex |
|
| 1118380 |
killdeer |
Charadrius vociferous |
|
| 1517070 |
cypress looper |
Iridopsis pergracilis |
eggs of cypress looper deposited under bark flap |
| 1468368 |
pinyon sawfly |
Neodiprion edulicolus |
June 1960 |
| 1470106 |
large aspen tortrix |
Choristoneura conflictana |
egg masses at various stages; from left to right - ready to emerge, hatched, and fresh |
| 0014321 |
west indian powderpost drywood termite |
Cryptotermes brevis |
Photo originally from the Wood Products Insect Lab in Gulfport, Mississippi. |
| 1441099 |
red-humped oakworm moth |
Symmerista canicosta |
eggs on leaves. |
| 5431700 |
Asian longhorned beetle |
Anoplophora glabripennis |
|
| 5431693 |
nun moth |
Lymantria monacha |
|
| 1441050 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
and young larvae |
| 3046055 |
bob-white quail |
Colinus virginianus |
|
| 1398237 |
forest tent caterpillar |
Malacosoma disstria |
Egg mass |
| 1400061 |
wild turkey |
Meleagris gallopavo |
Eggs in nest. |
| 1396036 |
pine tussock moth |
Dasychira pinicola |
unhatched egg mass |
| 3046069 |
wild turkey |
Meleagris gallopavo |
nest |
| 1375474 |
spotted sandpiper |
Actitis macularia |
|
| 1375415 |
sandhill crane |
Grus canadensis |
|
| 1375414 |
sandhill crane |
Grus canadensis |
|
| 0795057 |
elm spanworm |
Ennomos subsignaria |
Telenomus alsophilae egg parasities emerging from elm spanworm |
| 1374125 |
American robin |
Turdus migratorius |
|
| 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. |
| 5383242 |
periodical cicada |
Magicicada septendecim |
|
| 2142095 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on needle |
| 2142097 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on needles |
| 2142098 |
pinyon needle scale |
Matsucoccus acalyptus |
eggs on needles |
| 5289013 |
orangestriped oakworm |
Anisota senatoria |
|
| 1510017 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar egg masses |
| 1510061 |
fall cankerworm |
Alsophila pometaria |
Fall cankerworm adult & egg mass |
| 1515019 |
gypsy moth |
Lymantria dispar |
on underside of stub |
| 1515020 |
gypsy moth |
Lymantria dispar |
|
| 1515023 |
gypsy moth |
Lymantria dispar |
|
| 1470180 |
pine tussock moth |
Dasychira pinicola |
|
| 1467051 |
pine butterfly |
Neophasia menapia |
|
| 1468372 |
sugar pine tortrix |
Choristoneura lambertiana |
|
| 1468184 |
larger boxelder leafroller |
Archips negundana |
|
| 1468193 |
uglynest caterpillar |
Archips cerasivorana |
|
| 1468201 |
uglynest caterpillar |
Archips cerasivorana |
|
| 1468046 |
pine butterfly |
Neophasia menapia |
|
| 1470152 |
fall cankerworm |
Alsophila pometaria |
|
| 1470092 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1396059 |
lacewings |
|
|
| 1399191 |
Asian gypsy moth |
Lymantria dispar asiatica |
Egg mass on shipping container |
| 1399195 |
gypsy moth |
Lymantria dispar |
Egg masses on door, US Army ammo bunker near Frankfurt, Germany. |
| 1394081 |
bagworm |
Thyridopteryx ephemeraeformis |
|
| 1394087 |
Saratoga spittlebug |
Aphrophora saratogensis |
|
| 1394035 |
forest tent caterpillar |
Malacosoma disstria |
new and old egg masses |
| 1276013 |
lady beetle |
Scymnus ningshanensis |
Egg inserted into budscale |
| 1241015 |
Siberian moth |
Dendrolimus sibiricus |
in Mongolia |
| 1335003 |
Asian gypsy moth |
Lymantria dispar asiatica |
Mongolia |
| 1335004 |
Asian gypsy moth |
Lymantria dispar asiatica |
Mongolia |
| 1241555 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Eggs are held in masses by a gelatinous substance containing hairs from the female's body. |
| 1207046 |
mountain pine beetle |
Dendroctonus ponderosae |
Close-up of beetle eggs laid in gallery beneath bark |
| 1441082 |
western tent caterpillar |
Malacosoma californicum |
|
| 1441103 |
spruce gall aphids |
Adelges spp. |
laid by overwintering female on needle |
| 1441033 |
western spruce budworm |
Choristoneura freemani |
egg mass with emerged larvae |
| 4060028 |
Geometrid moth |
|
|
| 4060030 |
Geometrid moth |
|
|
| 4178056 |
checkered beetle |
Thanasimus dubius |
in bark layer |
| 4178072 |
forest tent caterpillar |
Malacosoma disstria |
masses encircling twig |
| 0284025 |
southern pine beetle |
Dendroctonus frontalis |
1.5 mm x 1 mm in size |
| 3066026 |
forest tent caterpillar |
Malacosoma disstria |
egg masses with hatch occurring |
| 3057053 |
poplar tentmaker |
Clostera inclusa |
2 day old mass (light pink); later red, then gray as they age |
| 3057057 |
poplar tentmaker |
Clostera inclusa |
showing change in color of eggs as they age: light pink, red, gray (upper left to lower right, youngest to oldest) |
| 3057022 |
red-winged blackbird |
Agelaius phoeniceus |
nest in nursery |
| 1929079 |
gypsy moth |
Lymantria dispar |
|
| 1929080 |
gypsy moth |
Lymantria dispar |
Egg masses on underside of picnic table hidden from view |
| 2252066 |
balsam woolly adelgid |
Adelges piceae |
close-up |
| 0949031 |
pandora moth |
Coloradia pandora |
|
| 0949041 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
mass with newly hatched larvae |
| 0949042 |
spruce spider mite |
Oligonychus ununguis |
|
| 0949065 |
spruce spider mite |
Oligonychus ununguis |
|
| 1678001 |
western spruce budworm |
Choristoneura freemani |
egg mass cases |
| 1678027 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
mass |
| 1678060 |
cutworms, loopers, owlet moths, and underwings |
|
|
| 1678061 |
balsam twig aphid |
Mindarus abietinus |
adult and eggs |
| 0488002 |
cypress looper |
Iridopsis pergracilis |
|
| 0488043 |
introduced pine sawfly |
Diprion similis |
|
| 0355017 |
whitemarked tussock moth |
Orgyia leucostigma |
|
| 0284062 |
Columbian timber beetle |
Corthylus columbianus |
Brood cell with part of the mycelial envelope of the ambrosia fungus, ambrosiella eylebori Brader, removed to expose eggs. Note mycelium in the gallery channel. |
