| 5474328 |
fritillary |
Speyeria spp. |
cylindric blazing star with Aphrodite Fritillary butterfly - Speyeria aphrodite |
| 0177055 |
tuber flea beetle |
Epitrix tuberis |
Potato tuber with darkened superficial channels due to larvae |
| 1249004 |
emerald ash borer |
Agrilus planipennis |
bark crack on 10-year old sapling |
| 5445617 |
elm spanworm |
Ennomos subsignaria |
|
| 5445619 |
elm spanworm |
Ennomos subsignaria |
defoliation |
| 5445625 |
elm spanworm |
Ennomos subsignaria |
late instars |
| 5445592 |
lodgepole cone moth |
Eucosma rescissoriana |
Entry hole in white pine cone and slight exterior frass caused by cone moth |
| 0177073 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Single tree defoliation. |
| 0177053 |
tuber flea beetle |
Epitrix tuberis |
|
| 1193001 |
Asian longhorned beetle |
Anoplophora glabripennis |
female ovipositing in sugar maple |
| 1306005 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 1306017 |
spruce beetle |
Dendroctonus rufipennis |
spot infestation in southern British Columbia |
| 1306006 |
mountain pine beetle |
Dendroctonus ponderosae |
mass attack with pheromone bait |
| 0021097 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 1929055 |
Canada thistle stem gall fly |
Urophora cardui |
galls |
| 1112002 |
white pine weevil |
Pissodes strobi |
Dead terminal. McGregor Model Forest, British Columbia |
| 1249005 |
emerald ash borer |
Agrilus planipennis |
stem discoloration and bark crack on 10-year old sapling |
| 1306020 |
spruce beetle |
Dendroctonus rufipennis |
spot infestation in southern British Columbia |
| 1249002 |
emerald ash borer |
Agrilus planipennis |
larval galleries and exit holes on 10-year old sapling |
| 1306009 |
mountain pine beetle |
Dendroctonus ponderosae |
spot infestation |
| 1112001 |
white pine weevil |
Pissodes strobi |
Old dead terminal. McGregor Model Forest, British Columbia. |
| 0177092 |
large aspen tortrix |
Choristoneura conflictana |
|
| 0177068 |
western blackheaded budworm |
Acleris gloverana |
Single tree defoliation |
| 2108065 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 2108069 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 2108072 |
mountain pine beetle |
Dendroctonus ponderosae |
in pitch tubes, |
| 2108073 |
mountain pine beetle |
Dendroctonus ponderosae |
fresh galleries |
| 1306054 |
lodgepole terminal weevil |
Pissodes terminalis |
prepupa |
| 0177054 |
tuber flea beetle |
Epitrix tuberis |
Potato tuber showing a heavy darkened superficial channel due to larvae |
| 5331020 |
brown spruce longhorn beetle |
Tetropium fuscum |
mating |
| 5331017 |
brown spruce longhorn beetle |
Tetropium fuscum |
|
| 5331016 |
brown spruce longhorn beetle |
Tetropium fuscum |
pupa with larval exuvia |
| 5331010 |
brown spruce longhorn beetle |
Tetropium fuscum |
|
| 5331007 |
brown spruce longhorn beetle |
Tetropium fuscum |
exit hole |
| 5137034 |
brown spruce longhorn beetle |
Tetropium fuscum |
damage to spruce cambium by larvae of Tetropium fuscum; July, 2000 |
| 2102093 |
pear leaf blister moth |
Leucoptera malifoliella |
|
| 2102094 |
pear leaf blister moth |
Leucoptera malifoliella |
|
| 0177052 |
tuber flea beetle |
Epitrix tuberis |
|
| 1354038 |
Russian wheat aphid |
Diuraphis noxia |
|
| 1265132 |
European crane fly |
Tipula paludosa |
|
| 1249003 |
emerald ash borer |
Agrilus planipennis |
infested firewood |
| 1193008 |
Asian longhorned beetle |
Anoplophora glabripennis |
male/female pair |
| 1193009 |
Asian longhorned beetle |
Anoplophora glabripennis |
male guarding female during oviposition |
| 1439003 |
emerald ash borer |
Agrilus planipennis |
note epicormic branches being formed as crown dies back |