| 1292010 |
Pine-tree lappet |
Dendrolimus pini |
Adults, Poland |
| 4212007 |
forest tent caterpillar |
Malacosoma disstria |
cast skins |
| 5382121 |
western tent caterpillar |
Malacosoma californicum |
Frass produced by late instar larvae
|
| 5476522 |
western tent caterpillar |
Malacosoma californicum |
|
| 1398272 |
forest tent caterpillar |
Malacosoma disstria |
Molted skins of early instar forest tent caterpillars |
| 1398264 |
forest tent caterpillar |
Malacosoma disstria |
Pupal cases attached to a cabin in northern MN |
| 1441083 |
western tent caterpillar |
Malacosoma californicum |
Nebraska National Forest |
| 1593030 |
eastern tent caterpillar |
Malacosoma americanum |
Tent formed by eastern tent caterpillar. |
| 5461614 |
forest tent caterpillar |
Malacosoma disstria |
injury to dogwood by forest tent caterpillars |
| 5465546 |
Siberian moth |
Dendrolimus sibiricus |
right wings |
| 5465543 |
Siberian moth |
Dendrolimus sibiricus |
right wings |
| 1546198 |
forest tent caterpillar |
Malacosoma disstria |
Color IR photo of heavy forest tent caterpillar defoliation |
| 5466721 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 5466722 |
eastern tent caterpillar |
Malacosoma americanum |
tent |
| 5466723 |
eastern tent caterpillar |
Malacosoma americanum |
tent |
| 5466719 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 5466720 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 5465547 |
Siberian moth |
Dendrolimus sibiricus |
|
| 5465544 |
Siberian moth |
Dendrolimus sibiricus |
|
| 5465545 |
Siberian moth |
Dendrolimus sibiricus |
|
| 5465542 |
Siberian moth |
Dendrolimus sibiricus |
|
| 1258047 |
Pine-tree lappet |
Dendrolimus pini |
|
| 1455152 |
forest tent caterpillar |
Malacosoma disstria |
Mass of larvae on trunk |
| 5444737 |
Siberian moth |
Dendrolimus sibiricus |
Cocoons of Siberian moth |
| 5444738 |
Siberian moth |
Dendrolimus sibiricus |
Egg clusters of Siberian moth |
| 5444739 |
Siberian moth |
Dendrolimus sibiricus |
Adult female of Siberian moth |
| 5444741 |
Siberian moth |
Dendrolimus sibiricus |
Adult male of Siberian moth |
| 1394036 |
forest tent caterpillar |
Malacosoma disstria |
diseased |
| 1394034 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394006 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394012 |
forest tent caterpillar |
Malacosoma disstria |
|
| 4212001 |
forest tent caterpillar |
Malacosoma disstria |
defoliation |
| 4212008 |
eastern tent caterpillar |
Malacosoma americanum |
tent |
| 4212002 |
forest tent caterpillar |
Malacosoma disstria |
severe defoliation |
| 1398245 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1398246 |
forest tent caterpillar |
Malacosoma disstria |
Aspen defoliation along a lakeshore, northern MN. |
| 1398244 |
forest tent caterpillar |
Malacosoma disstria |
Pupal case tied into foliage, northern MN. |
| 1457028 |
eastern tent caterpillar |
Malacosoma americanum |
Multiple tents. Photo taken in Jackson Co., WI. |
| 1178065 |
larch moth |
Tolype laricis |
|
| 3226061 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1258020 |
Pine-tree lappet |
Dendrolimus pini |
Male |
| 4064018 |
eastern tent caterpillar |
Malacosoma americanum |
tent |
| 1455170 |
western tent caterpillar |
Malacosoma californicum |
At egg hatch |
| 1455173 |
western tent caterpillar |
Malacosoma californicum |
|
| 1468196 |
western tent caterpillar |
Malacosoma californicum |
|
| 2734067 |
eastern tent caterpillar |
Malacosoma americanum |
tent |
| 1430008 |
eastern tent caterpillar |
Malacosoma americanum |
feeding on leaves |
| 1398036 |
forest tent caterpillar |
Malacosoma disstria |
Late instar larval mass on the stem of an aspen tree. Northern Minnesota. |
| 3066029 |
forest tent caterpillar |
Malacosoma disstria |
egg mass on twig, unhatched |
| 2912086 |
eastern tent caterpillar |
Malacosoma americanum |
multiple tents |
| 1236081 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1260053 |
Pine-tree lappet |
Dendrolimus pini |
Resting male. Sachsen, Germany |
| 1455168 |
western tent caterpillar |
Malacosoma californicum |
On tent |
| 1297017 |
lackey moth |
Malacosoma neustria |
On hop hornbeam |
| 1468195 |
western tent caterpillar |
Malacosoma californicum |
|
| 1335022 |
Siberian moth |
Dendrolimus sibiricus |
Defoliation. Mongolia |
| 1398247 |
forest tent caterpillar |
Malacosoma disstria |
Late-instar caterpillar |
| 1398273 |
forest tent caterpillar |
Malacosoma disstria |
Late instar larvae massed on a young aspen tree. northwest Wisconsin, 2001. |
| 1455151 |
forest tent caterpillar |
Malacosoma disstria |
Mass of larvae on trunk |
| 1455175 |
western tent caterpillar |
Malacosoma californicum |
In old tent |
| 1455169 |
western tent caterpillar |
Malacosoma californicum |
At egg hatch |
| 1455176 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1304005 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1301037 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1457027 |
eastern tent caterpillar |
Malacosoma americanum |
Single tent with caterpillars. Photo taken in Jackson, Co., WI. |
| 1236083 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1455158 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1455171 |
western tent caterpillar |
Malacosoma californicum |
|
| 3066025 |
forest tent caterpillar |
Malacosoma disstria |
massed on trunk |
| 1260018 |
Pine-tree lappet |
Dendrolimus pini |
Adults mating. Male below; Sachsen, Germany |
| 1468204 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1260017 |
Pine-tree lappet |
Dendrolimus pini |
Adults mating, male below. Empty cocoon on right. Sachsen, Germany |
| 1468197 |
western tent caterpillar |
Malacosoma californicum |
|
| 1455150 |
forest tent caterpillar |
Malacosoma disstria |
Mass of larvae on trunk |
| 1220001 |
Pine-tree lappet |
Dendrolimus pini |
on needles |
| 1220020 |
Pine-tree lappet |
Dendrolimus pini |
a few days before pupation |
| 1220026 |
Pine-tree lappet |
Dendrolimus pini |
feeding on needle |
| 2101100 |
lackey moth |
Malacosoma neustria |
last stage caterpillar |
| 2101099 |
lackey moth |
Malacosoma neustria |
|
| 2102001 |
lackey moth |
Malacosoma neustria |
gregarious young caterpillars |
| 1220027 |
Pine-tree lappet |
Dendrolimus pini |
feeding on needle |
| 1455153 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1455154 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1430003 |
eastern tent caterpillar |
Malacosoma americanum |
feeding on leaf |
| 1455156 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1236082 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1301039 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1220025 |
Pine-tree lappet |
Dendrolimus pini |
feeding on needle |
| 1220019 |
Pine-tree lappet |
Dendrolimus pini |
feeding on needles |
| 1220022 |
Pine-tree lappet |
Dendrolimus pini |
female |
| 1455157 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1457032 |
forest tent caterpillar |
Malacosoma disstria |
Group of late-instar larvae on the main stem of an aspen tree, northern Wisconsin, summer 2003. |
| 1398242 |
forest tent caterpillar |
Malacosoma disstria |
Multiple late instar larvae feeding on an ash leaf. |
| 5388347 |
eastern tent caterpillar |
Malacosoma americanum |
Many eastern tent caterpillar species build tents which are often occupied for the entirety of the larval stage. |
| 0010112 |
forest tent caterpillar |
Malacosoma disstria |
Larval mass on sunny side of tree in early afternoon |
| 1220017 |
Pine-tree lappet |
Dendrolimus pini |
empty cocoon on stem, some years after an outbreak |
| 1335020 |
Siberian moth |
Dendrolimus sibiricus |
|
| 1220015 |
Pine-tree lappet |
Dendrolimus pini |
in needles |
| 1335017 |
Siberian moth |
Dendrolimus sibiricus |
|
| 1335018 |
Siberian moth |
Dendrolimus sibiricus |
|
| 1335019 |
Siberian moth |
Dendrolimus sibiricus |
|
| 1398271 |
forest tent caterpillar |
Malacosoma disstria |
Various caterpillar instars and molted skins on the stem of a young aspen tree, northern MN |
| 1455155 |
forest tent caterpillar |
Malacosoma disstria |
|
| 0541018 |
tent caterpillar |
Eriogaster lanestris |
|
| 2252051 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1220013 |
Pine-tree lappet |
Dendrolimus pini |
ascending after hibernation |
| 1220005 |
Pine-tree lappet |
Dendrolimus pini |
feeding larvae during fall before hibernation |
| 1220012 |
Pine-tree lappet |
Dendrolimus pini |
ascending after hibernation |
| 1260050 |
Pine-tree lappet |
Dendrolimus pini |
With female nun moth below. |
| 1260052 |
Pine-tree lappet |
Dendrolimus pini |
Resting male. |
| 1455163 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 3226062 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1398237 |
forest tent caterpillar |
Malacosoma disstria |
Egg mass |
| 1430005 |
eastern tent caterpillar |
Malacosoma americanum |
resting on needles (caterpillars not known to use pine needles for food) |
| 2634003 |
eastern tent caterpillar |
Malacosoma americanum |
tent |
| 3066024 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394008 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1247160 |
eastern tent caterpillar |
Malacosoma americanum |
Mass of larvae in web |
| 1455149 |
forest tent caterpillar |
Malacosoma disstria |
Mass of larvae on trunk |
| 2253051 |
western tent caterpillar |
Malacosoma californicum |
|
| 1233209 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1247161 |
eastern tent caterpillar |
Malacosoma americanum |
web |
| 1441087 |
western tent caterpillar |
Malacosoma californicum |
|
| 3057039 |
forest tent caterpillar |
Malacosoma disstria |
defoliation [figure 6B in USDA Forest Service Oak Pests book] |
| 1468205 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 2733040 |
eastern tent caterpillar |
Malacosoma americanum |
on tent |
| 1394013 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1457003 |
forest tent caterpillar |
Malacosoma disstria |
NPV Virus killed |
| 2133055 |
eastern tent caterpillar |
Malacosoma americanum |
On tent. Southeast Michigan |
| 1220018 |
Pine-tree lappet |
Dendrolimus pini |
empty cocoon on stem, some years after an outbreak |
| 1220021 |
Pine-tree lappet |
Dendrolimus pini |
excrement of larvae; coin diameter 16 mm |
| 1220023 |
Pine-tree lappet |
Dendrolimus pini |
eggs and hatched larvae |
| 1220024 |
Pine-tree lappet |
Dendrolimus pini |
coin diameter 16 mm |
| 0355029 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1430004 |
eastern tent caterpillar |
Malacosoma americanum |
early tent construction by young larvae; this web is about the size of a tennis ball |
| 1220016 |
Pine-tree lappet |
Dendrolimus pini |
coin diameter 16 mm |
| 1220011 |
Pine-tree lappet |
Dendrolimus pini |
during hibernation with first needle layer removed |
| 1220008 |
Pine-tree lappet |
Dendrolimus pini |
during hibernation |
| 1220002 |
Pine-tree lappet |
Dendrolimus pini |
and eggs |
| 1220004 |
Pine-tree lappet |
Dendrolimus pini |
feeding larvae during fall before hibernation |
| 1304006 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1137003 |
Pacific tent caterpillar |
Malacosoma constrictum |
This species produces a rudimentary tent. |
| 1627004 |
eastern tent caterpillar |
Malacosoma americanum |
Eggs are laid in distinctive shiny masses which encircle small twigs. The caterpillars hatch just as leaves begin unfolding in the spring. |
| 1220003 |
Pine-tree lappet |
Dendrolimus pini |
feeding larvae during fall before hibernation |
| 1335021 |
Siberian moth |
Dendrolimus sibiricus |
Mongolia |
| 1220009 |
Pine-tree lappet |
Dendrolimus pini |
during hibernation with first needle layer removed |
| 1220006 |
Pine-tree lappet |
Dendrolimus pini |
during hibernation |
| 1220014 |
Pine-tree lappet |
Dendrolimus pini |
in needles |
| 1220010 |
Pine-tree lappet |
Dendrolimus pini |
during hibernation with first needle layer removed |
| 5402602 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 5402601 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1523064 |
forest tent caterpillar |
Malacosoma disstria |
larvae beginning to emerge from eggs |
| 1523067 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1523019 |
forest tent caterpillar |
Malacosoma disstria |
|
| 5174071 |
lappet moth |
Gastropacha quercifolia |
July, 2005; attracted to lamp light |
| 5174061 |
lappet moth |
Gastropacha quercifolia |
July, 2005; birch forest; on cotoneaster; edge of deciduous forests |
| 0907030 |
eastern tent caterpillar |
Malacosoma americanum |
spin a silken tent in a tree crotch & feed from there |
| 1335023 |
Siberian moth |
Dendrolimus sibiricus |
Larvae hibernating in the soil |
| 5389243 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389244 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389245 |
tent caterpillar |
Eriogaster lanestris |
larvae on webbing |
| 5389246 |
tent caterpillar |
Eriogaster lanestris |
mass of larvae on trunk of tree with abundant webbing |
| 5389247 |
tent caterpillar |
Eriogaster lanestris |
larvae on webbing |
| 5389248 |
tent caterpillar |
Eriogaster lanestris |
larvae on webbing |
| 5389249 |
tent caterpillar |
Eriogaster lanestris |
mass of larvae on trunk with abundant webbing |
| 5389250 |
tent caterpillar |
Eriogaster lanestris |
mass of larvae on trunk with abundant webbing |
| 5389251 |
tent caterpillar |
Eriogaster lanestris |
mass of larvae on trunk with abundant webbing |
| 5389252 |
tent caterpillar |
Eriogaster lanestris |
mass of larvae on trunk with abundant webbing |
| 5389253 |
tent caterpillar |
Eriogaster lanestris |
tent on tree |
| 5389254 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389255 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389256 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389257 |
tent caterpillar |
Eriogaster lanestris |
larvae on tent |
| 5389258 |
tent caterpillar |
Eriogaster lanestris |
larvae on tent |
| 5389259 |
tent caterpillar |
Eriogaster lanestris |
mass of larvae on tent |
| 5389260 |
tent caterpillar |
Eriogaster lanestris |
larvae on tent |
| 5389261 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389262 |
tent caterpillar |
Eriogaster lanestris |
|
| 5389263 |
tent caterpillar |
Eriogaster lanestris |
|
| 5369985 |
forest tent caterpillar |
Malacosoma disstria |
Cluster of larvae on the stem of a crab apple tree, 2007 |
| 5371149 |
Oak Eggar |
Lasiocampa quercus |
|
| 5371397 |
Oak Eggar |
Lasiocampa quercus |
|
| 0017018 |
Masson pine caterpillar |
Dendrolimus punctatus |
mature larva |
| 0017019 |
Masson pine caterpillar |
Dendrolimus punctatus |
egg masses |
| 0017020 |
Masson pine caterpillar |
Dendrolimus punctatus |
defoliation |
| 5382503 |
western tent caterpillar |
Malacosoma californicum |
Heavy defoliation on bitterbrush |
| 5382504 |
western tent caterpillar |
Malacosoma californicum |
Heavy defoliation |
| 5382505 |
western tent caterpillar |
Malacosoma californicum |
Defoliation of aspen |
| 5382118 |
western tent caterpillar |
Malacosoma californicum |
|
| 5382119 |
western tent caterpillar |
Malacosoma californicum |
|
| 5382117 |
western tent caterpillar |
Malacosoma californicum |
|
| 5379279 |
tent caterpillar |
Eriogaster catax |
|
| 5378677 |
tent caterpillar |
Eriogaster catax |
|
| 5378678 |
tent caterpillar |
Eriogaster catax |
|
| 5379278 |
tent caterpillar |
Eriogaster catax |
|
| 1561093 |
eastern tent caterpillar |
Malacosoma americanum |
photo taken on 12 May 1993 |
| 1540473 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540470 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540471 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540472 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540469 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540468 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540466 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540467 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540464 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540465 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540463 |
eastern tent caterpillar |
Malacosoma americanum |
13x17mm |
| 1540462 |
eastern tent caterpillar |
Malacosoma americanum |
4/21/1978 |
| 1540461 |
eastern tent caterpillar |
Malacosoma americanum |
cocoon dust 4/17/1997 |
| 1540459 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540460 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540458 |
eastern tent caterpillar |
Malacosoma americanum |
4/17/1997 |
| 1540457 |
eastern tent caterpillar |
Malacosoma americanum |
30mm long 4/17/1997 |
| 1540456 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540454 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540455 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540452 |
eastern tent caterpillar |
Malacosoma americanum |
.50mm long 4/13/1995 |
| 1540449 |
eastern tent caterpillar |
Malacosoma americanum |
4/9/1985 |
| 1540450 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540448 |
eastern tent caterpillar |
Malacosoma americanum |
4/13/1997 |
| 1540446 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540447 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540444 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540445 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540443 |
eastern tent caterpillar |
Malacosoma americanum |
6/4/1985 |
| 1540442 |
eastern tent caterpillar |
Malacosoma americanum |
3/15/1985 |
| 1540441 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540440 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540439 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540438 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540436 |
eastern tent caterpillar |
Malacosoma americanum |
3/15/1985 |
| 1540437 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540435 |
eastern tent caterpillar |
Malacosoma americanum |
3/15/1985 |
| 1540434 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540433 |
eastern tent caterpillar |
Malacosoma americanum |
2/27/1990 |
| 1540432 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540431 |
eastern tent caterpillar |
Malacosoma americanum |
4/9/1985 |
| 1540430 |
eastern tent caterpillar |
Malacosoma americanum |
3/22/1990 |
| 1540429 |
eastern tent caterpillar |
Malacosoma americanum |
3/22/1990 |
| 1540428 |
eastern tent caterpillar |
Malacosoma americanum |
3/15/1985 |
| 1540426 |
eastern tent caterpillar |
Malacosoma americanum |
3/15/1985 |
| 1540427 |
eastern tent caterpillar |
Malacosoma americanum |
4/1/1985 |
| 5371268 |
lackey moth |
Malacosoma neustria |
|
| 5371269 |
lackey moth |
Malacosoma neustria |
|
| 5371270 |
lackey moth |
Malacosoma neustria |
|
| 5371271 |
lackey moth |
Malacosoma neustria |
|
| 5346044 |
western tent caterpillar |
Malacosoma californicum |
Complete defoliation of aspen, Culebra Range, CO, July 2007 |
| 1540425 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540424 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540423 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540422 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540421 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540420 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540418 |
eastern tent caterpillar |
Malacosoma americanum |
2/29/1990 |
| 1540417 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540416 |
eastern tent caterpillar |
Malacosoma americanum |
4/31/1977 |
| 1540413 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540414 |
eastern tent caterpillar |
Malacosoma americanum |
9-11-1995 |
| 1540412 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540409 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540405 |
eastern tent caterpillar |
Malacosoma americanum |
old masses |
| 1540403 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540400 |
eastern tent caterpillar |
Malacosoma americanum |
egg mass of previous year |
| 1540398 |
eastern tent caterpillar |
Malacosoma americanum |
3/14/1978 |
| 1540395 |
eastern tent caterpillar |
Malacosoma americanum |
old mass |
| 1540394 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1540393 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 5346090 |
western tent caterpillar |
Malacosoma californicum |
Cocoons on aspen, San Isabel National Forest, CO, July 2007 |
| 5346091 |
western tent caterpillar |
Malacosoma californicum |
Cocoons on aspen, San Isabel National Forest, CO, July 2007 |
| 5346094 |
western tent caterpillar |
Malacosoma californicum |
Mature larva on old tent, San Isabel National Forest, CO, July 2007 |
| 5346095 |
western tent caterpillar |
Malacosoma californicum |
Larvae on aspen twig, San Isabel NF, CO, July 2007 |
| 5346096 |
western tent caterpillar |
Malacosoma californicum |
Larvae on aspen twig, San Isabel National Forest, CO, July 2007 |
| 5369695 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1561094 |
eastern tent caterpillar |
Malacosoma americanum |
photo taken on 19 May 1993 |
| 1561092 |
eastern tent caterpillar |
Malacosoma americanum |
photo taken on 20 May 1993 |
| 1561091 |
eastern tent caterpillar |
Malacosoma americanum |
photo taken on 20 May 1993 |
| 1561090 |
eastern tent caterpillar |
Malacosoma americanum |
photo taken on 12 May 1993 |
| 5255014 |
large Tolype |
Tolype velleda |
|
| 1512056 |
eastern tent caterpillar |
Malacosoma americanum |
Eastern tent caterpillar |
| 1517081 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517082 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517083 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517084 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517076 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517077 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517078 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1517080 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1510012 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar defoliation |
| 1510013 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar defoliation |
| 1510014 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar defoliation |
| 1510015 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar larvae |
| 1510016 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar late instar larvae |
| 1510017 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar egg masses |
| 1512058 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar - Keyhole marking |
| 1512059 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar on tree bole |
| 1512062 |
forest tent caterpillar |
Malacosoma disstria |
Forest tent caterpillar - damage up through canopy |
| 5188073 |
western tent caterpillar |
Malacosoma californicum |
Early stage larvae shortly after egg hatch. Photograph taken April 21, 2007. Larimer County, Colorado |
| 5188074 |
western tent caterpillar |
Malacosoma californicum |
Early stage larvae shortly after egg hatch. Photograph taken April 21, 2007. Larimer County, Colorado |
| 5188075 |
western tent caterpillar |
Malacosoma californicum |
Early stage larvae shortly after egg hatch. Photograph taken April 21, 2007. Larimer County, Colorado |
| 2514020 |
eastern tent caterpillar |
Malacosoma americanum |
Tent Caterpillars 'nest'. Sycamore, GA 7 April 1968 |
| 2514021 |
eastern tent caterpillar |
Malacosoma americanum |
Tent Caterpillars. Sycamore, GA 7 April 1968 |
| 1475042 |
forest tent caterpillar |
Malacosoma disstria |
Mass of larvae on trunk. Lighter colored caterpillars have recently molted. |
| 5024054 |
western tent caterpillar |
Malacosoma californicum |
late instar larvae on tent |
| 5024055 |
western tent caterpillar |
Malacosoma californicum |
late stage larvae of mixed instars |
| 5024056 |
western tent caterpillar |
Malacosoma californicum |
Pupa within a cocoon. June 12, 2006 |
| 5024052 |
western tent caterpillar |
Malacosoma californicum |
late instar larva |
| 0795042 |
forest tent caterpillar |
Malacosoma disstria |
|
| 3225054 |
eastern tent caterpillar |
Malacosoma americanum |
and forest tent caterpillar compared, top two larvae are eastern tent and bottom is forest tent caterpillar |
| 3225055 |
eastern tent caterpillar |
Malacosoma americanum |
on tent |
| 2169021 |
lackey moth |
Malacosoma neustria |
|
| 2112071 |
lackey moth |
Malacosoma neustria |
caterpillar on a damaged apple leaf |
| 2112072 |
lackey moth |
Malacosoma neustria |
caterpillars on the stem |
| 4554061 |
tent caterpillar |
Eriogaster lanestris |
|
| 1468199 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 2145095 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1468194 |
western tent caterpillar |
Malacosoma californicum |
|
| 1468200 |
southwestern tent caterpillar |
Malacosoma incurvum |
male (left) female (right) |
| 1468202 |
southwestern tent caterpillar |
Malacosoma incurvum |
egg mass with 1st instar larvae |
| 1468209 |
southwestern tent caterpillar |
Malacosoma incurvum |
newly hatched |
| 1468210 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1468198 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1468206 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1468109 |
southwestern tent caterpillar |
Malacosoma incurvum |
adult recently emerged from pupal case |
| 1470153 |
western tent caterpillar |
Malacosoma californicum |
|
| 1470154 |
western tent caterpillar |
Malacosoma californicum |
|
| 1470093 |
forest tent caterpillar |
Malacosoma disstria |
1976; Preparing to pupate |
| 1470092 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1470091 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 2133054 |
eastern tent caterpillar |
Malacosoma americanum |
Tent. Southeast Michigan |
| 1457012 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1457033 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1398239 |
forest tent caterpillar |
Malacosoma disstria |
Late instar larvae on the bark of a tree with virus killed caterpillars (hanging in an inverted V-position) present. |
| 1398240 |
forest tent caterpillar |
Malacosoma disstria |
Two virus killed late-instar caterpillars (inverted V-shape)along with two healthy catrpillars. |
| 1398241 |
forest tent caterpillar |
Malacosoma disstria |
Caterpillar in the center infected with Entomophaga, a fungal pathogen |
| 1455161 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1455162 |
southwestern tent caterpillar |
Malacosoma incurvum |
Under eaves of bridge |
| 1455164 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1455166 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1455167 |
southwestern tent caterpillar |
Malacosoma incurvum |
|
| 1455172 |
western tent caterpillar |
Malacosoma californicum |
|
| 1455174 |
western tent caterpillar |
Malacosoma californicum |
Tent |
| 1398243 |
forest tent caterpillar |
Malacosoma disstria |
Pupal case wrapped in an understory fern leaf. |
| 1398248 |
forest tent caterpillar |
Malacosoma disstria |
Two late instar caterpillars. Kennebac Co., MN 2001 |
| 1394014 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394015 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394017 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394033 |
forest tent caterpillar |
Malacosoma disstria |
diseased |
| 1394007 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394035 |
forest tent caterpillar |
Malacosoma disstria |
new and old egg masses |
| 1394037 |
forest tent caterpillar |
Malacosoma disstria |
diseased |
| 1394009 |
forest tent caterpillar |
Malacosoma disstria |
defoliation |
| 1394010 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1394011 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1199026 |
forest tent caterpillar |
Malacosoma disstria |
Inverted V-shaped forest tent caterpillars infected with Polyhedrosis virus |
| 1199027 |
forest tent caterpillar |
Malacosoma disstria |
Entomophaga (fungal) infection on the larger caterpillar in the center of the photograph. |
| 1199028 |
forest tent caterpillar |
Malacosoma disstria |
Polyhedrosis virus infected forest tent caterpillar |
| 1247162 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1247143 |
eastern tent caterpillar |
Malacosoma americanum |
egg mass on twig |
| 1361059 |
eastern tent caterpillar |
Malacosoma americanum |
Egg mass on twig |
| 1258021 |
Pine-tree lappet |
Dendrolimus pini |
Female laying eggs |
| 1258048 |
Pine-tree lappet |
Dendrolimus pini |
|
| 1258049 |
Pine-tree lappet |
Dendrolimus pini |
|
| 1258019 |
Pine-tree lappet |
Dendrolimus pini |
Male |
| 1310004 |
forest tent caterpillar |
Malacosoma disstria |
With dime |
| 1627005 |
eastern tent caterpillar |
Malacosoma americanum |
Their tents, always located in branch forks, get larger as the caterpillars feed and grow. |
| 1627006 |
eastern tent caterpillar |
Malacosoma americanum |
Full-grown caterpillars are 2-1/2 inches long with a white stripe down the back and blue spots on either side. |
| 1254033 |
western tent caterpillar |
Malacosoma californicum |
Mature larva on tent, Roosevelt NF, CO. |
| 1254034 |
western tent caterpillar |
Malacosoma californicum |
Tent and defoliation on quaking aspen, Roosevelt NF, CO. |
| 1304007 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 3943018 |
Pine-tree lappet |
Dendrolimus pini |
on branch |
| 3943019 |
Pine-tree lappet |
Dendrolimus pini |
Mature larva on branch. |
| 1428106 |
southwestern tent caterpillar |
Malacosoma incurvum |
Tents, southern Utah |
| 1428107 |
southwestern tent caterpillar |
Malacosoma incurvum |
tents in southern Utah |
| 1428108 |
southwestern tent caterpillar |
Malacosoma incurvum |
tents and defoliation in southern Utah |
| 1428110 |
southwestern tent caterpillar |
Malacosoma incurvum |
tent containing late instar larvae, southern Utah |
| 1428109 |
southwestern tent caterpillar |
Malacosoma incurvum |
tent containing late instar larvae |
| 1137005 |
Pacific tent caterpillar |
Malacosoma constrictum |
Female moth. |
| 1137004 |
Pacific tent caterpillar |
Malacosoma constrictum |
|
| 1137002 |
Pacific tent caterpillar |
Malacosoma constrictum |
Mature larva on Blue Oak. |
| 1137001 |
Pacific tent caterpillar |
Malacosoma constrictum |
Egg mass. Outer covering of the egg mass is partially cut away to reveal individual eggs. |
| 1441091 |
western tent caterpillar |
Malacosoma californicum |
Branch Sampling, San Juan National Forest, Colorado |
| 2253054 |
western tent caterpillar |
Malacosoma californicum |
predator feeding on larva |
| 1441088 |
western tent caterpillar |
Malacosoma californicum |
|
| 1441089 |
western tent caterpillar |
Malacosoma californicum |
San Juan National Forest, Colorado |
| 1441090 |
western tent caterpillar |
Malacosoma californicum |
defoliation to aspen |
| 1441082 |
western tent caterpillar |
Malacosoma californicum |
|
| 1441084 |
western tent caterpillar |
Malacosoma californicum |
San Juan National Forest, Colorado |
| 1441085 |
western tent caterpillar |
Malacosoma californicum |
|
| 1441086 |
western tent caterpillar |
Malacosoma californicum |
|
| 0014212 |
forest tent caterpillar |
Malacosoma disstria |
Window pane trap at Pearl River |
| 0014210 |
forest tent caterpillar |
Malacosoma disstria |
Sticky trap at Pearl River |
| 0014211 |
forest tent caterpillar |
Malacosoma disstria |
Window pane trap at Pearl River |
| 1435084 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1150012 |
forest tent caterpillar |
Malacosoma disstria |
aerial view of damage |
| 3948017 |
Masson pine caterpillar |
Dendrolimus punctatus |
|
| 3948022 |
Masson pine caterpillar |
Dendrolimus punctatus |
Entomologist removes branch samples from infested tree for larval count. |
| 3943065 |
Masson pine caterpillar |
Dendrolimus punctatus |
Examining trap baited with female pheromone to monitor male population levels. |
| 3717074 |
forest tent caterpillar |
Malacosoma disstria |
|
| 3717075 |
forest tent caterpillar |
Malacosoma disstria |
and adult |
| 3717076 |
forest tent caterpillar |
Malacosoma disstria |
egg mass and newly hatched larvae |
| 1430006 |
eastern tent caterpillar |
Malacosoma americanum |
resting in the tent |
| 1430007 |
eastern tent caterpillar |
Malacosoma americanum |
and cocoon |
| 1430009 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 1430001 |
eastern tent caterpillar |
Malacosoma americanum |
female |
| 1430002 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 3046041 |
forest tent caterpillar |
Malacosoma disstria |
group of larvae, webbing and frass |
| 3046042 |
forest tent caterpillar |
Malacosoma disstria |
group on side of tree |
| 3046050 |
forest tent caterpillar |
Malacosoma disstria |
aerial view of defoliation in Alabama bottomland |
| 3066031 |
forest tent caterpillar |
Malacosoma disstria |
extensive defoliation - Mobile, Alabama |
| 4060048 |
forest tent caterpillar |
Malacosoma disstria |
defoliation in Minnesota |
| 4060057 |
forest tent caterpillar |
Malacosoma disstria |
|
| 4061085 |
forest tent caterpillar |
Malacosoma disstria |
defoliation at Chappewa National Forest, Minnesota, May 1952 |
| 0014215 |
forest tent caterpillar |
Malacosoma disstria |
Trapping with Burlap bands. |
| 0014218 |
forest tent caterpillar |
Malacosoma disstria |
|
| 0014230 |
forest tent caterpillar |
Malacosoma disstria |
|
| 0014248 |
forest tent caterpillar |
Malacosoma disstria |
defoliation |
| 0014158 |
forest tent caterpillar |
Malacosoma disstria |
|
| 0014159 |
forest tent caterpillar |
Malacosoma disstria |
|
| 0014160 |
forest tent caterpillar |
Malacosoma disstria |
newly emerged |
| 4178072 |
forest tent caterpillar |
Malacosoma disstria |
masses encircling twig |
| 3066022 |
forest tent caterpillar |
Malacosoma disstria |
newly hatched larva & egg masses |
| 3066023 |
forest tent caterpillar |
Malacosoma disstria |
with Diptera parasite |
| 3066026 |
forest tent caterpillar |
Malacosoma disstria |
egg masses with hatch occurring |
| 3066030 |
forest tent caterpillar |
Malacosoma disstria |
cocoons on palmetto in understory |
| 3225048 |
forest tent caterpillar |
Malacosoma disstria |
|
| 3047006 |
forest tent caterpillar |
Malacosoma disstria |
defoliation by tree |
| 0886010 |
eastern tent caterpillar |
Malacosoma americanum |
Early instars in tent |
| 0886011 |
eastern tent caterpillar |
Malacosoma americanum |
Late instar |
| 2733020 |
forest tent caterpillar |
Malacosoma disstria |
Note the white key-hole shaped spots down the back. |
| 2721035 |
eastern tent caterpillar |
Malacosoma americanum |
nest torn open to reveal mass of larvae |
| 2252049 |
forest tent caterpillar |
Malacosoma disstria |
egg mass and adult |
| 2252050 |
forest tent caterpillar |
Malacosoma disstria |
|
| 2253050 |
forest tent caterpillar |
Malacosoma disstria |
defoliation of small trees in foreground |
| 2254042 |
forest tent caterpillar |
Malacosoma disstria |
|
| 2253052 |
western tent caterpillar |
Malacosoma californicum |
female with egg mass |
| 2253053 |
western tent caterpillar |
Malacosoma californicum |
female (lighter colored on left) and male |
| 2252052 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1791009 |
forest tent caterpillar |
Malacosoma disstria |
|
| 1791008 |
eastern tent caterpillar |
Malacosoma americanum |
early season leaf feeder on cherry trees, familiar tent serves as shelter between group feeding excursions |
| 1748005 |
eastern tent caterpillar |
Malacosoma americanum |
caterpillars in tent |
| 0907031 |
eastern tent caterpillar |
Malacosoma americanum |
has a white stripe down the back, while forest tent caterpillar has keyhole-shaped white spots |
| 0907037 |
forest tent caterpillar |
Malacosoma disstria |
egg masses have square edges and completely encircled twigs on host branch;
eggs hatching |
| 0907038 |
forest tent caterpillar |
Malacosoma disstria |
keyhole-shaped white spots on the back |
| 0907039 |
forest tent caterpillar |
Malacosoma disstria |
defoliation tends to be fairly complete with all except major veins and petioles consumed; maple being stripped
note larva |
| 0907040 |
forest tent caterpillar |
Malacosoma disstria |
cluster in groups, do not form tents |
| 0488087 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 0795039 |
eastern tent caterpillar |
Malacosoma americanum |
tents |
| 0795040 |
eastern tent caterpillar |
Malacosoma americanum |
|
| 0590060 |
eastern tent caterpillar |
Malacosoma americanum |
complete defoliation, note tents in crotches of tree |
| 0590063 |
eastern tent caterpillar |
Malacosoma americanum |
mass |
| 0590064 |
eastern tent caterpillar |
Malacosoma americanum |
tent in tree branches |
