| 1241467 |
pine engraver |
Ips pini |
Gallery pattern with the central nuptial chamber and egg gallery branches. |
| 1241450 |
red turpentine beetle |
Dendroctonus valens |
Fan shaped larval gallery pattern with an adult beetle. |
| 2254025 |
red turpentine beetle |
Dendroctonus valens |
egg gallery |
| 2254027 |
western balsam bark beetle |
Dryocoetes confusus |
|
| 2254016 |
larch engraver |
Scolytus laricis |
|
| 2254014 |
western pine beetle |
Dendroctonus brevicomis |
bark sloughing off of trees |
| 2254015 |
western pine beetle |
Dendroctonus brevicomis |
pitch tubes |
| 2252084 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
elevated, panoramic view showing red top trees in stand |
| 2252079 |
mountain pine beetle |
Dendroctonus ponderosae |
boring dust on lodge pole pine |
| 2251056 |
lodgepole pine needle cast |
Lophodermella concolor |
older stand with injury |
| 1241518 |
lodgepole terminal weevil |
Pissodes terminalis |
|
| 1241514 |
white pine weevil |
Pissodes strobi |
Adults near exit holes |
| 1241589 |
needle blight of larch |
Meria laricis |
Larch needle cast causes yellow spots which become red-brown, begins infecting emerging needles in the spring, and can continue to reinfect as long as rainfall creates suitable conditions. |
| 1241470 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Egg galleries are vertical and the larval galleries are in alternating groups. |
| 2254047 |
porcupine |
Erethizon dorsatum |
|
| 1241471 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Trees killed will have red crowns several months after a successful attack. |
| 2254020 |
frost and winter injury (general) |
|
in Glacier N.P. |
| 1241476 |
fir engraver |
Scolytus ventralis |
Top kill and tree mortality. |
| 1241733 |
sequoia pitch moth |
Synanthedon sequoiae |
Pitch masses indicating entrance and feeding sites. |
| 1241516 |
lodgepole terminal weevil |
Pissodes terminalis |
|
| 2253099 |
skidding |
|
horse logging |
| 2254018 |
ponderosa pine bark borer |
Acanthocinus princeps |
thinning in Ponderosa pine beetle management |
| 2254023 |
pesticides |
|
verbenone application for barkbeetle control |
| 2254045 |
fire |
|
Thompson Creek fire |
| 2254046 |
fire |
|
Thompson Creek fire |
| 2254044 |
cooley spruce gall adelgid |
Adelges cooleyi |
|
| 2253098 |
skidding |
|
horse logging |
| 1241734 |
sequoia pitch moth |
Synanthedon sequoiae |
Larva within the pitch mass. |
| 1241551 |
western spruce budworm |
Choristoneura freemani |
Instar larvae web needles together to make silken nests in which they feed. |
| 1241555 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Eggs are held in masses by a gelatinous substance containing hairs from the female's body. |
| 1241525 |
desication (wind burn) |
|
Winter desiccation is common on high elevation sites. |
| 1241453 |
western pine beetle |
Dendroctonus brevicomis |
Pines with bark flaked away by woodpeckers searching for larvae. |
| 1241460 |
mountain pine beetle |
Dendroctonus ponderosae |
Pitch tubes and boring dust are usually evident at attack sites. |
| 1241466 |
Ips engraver beetles |
Ips spp. |
Red-orange boring dust on bark of attacked pine |
| 1241446 |
spruce beetle |
Dendroctonus rufipennis |
Bark flaking by woodpeckers is a good indication of spruce beetle attack. |
| 1241449 |
red turpentine beetle |
Dendroctonus valens |
Large pitch tubes showing attack sites. Attacks are usually confined to lower 3 feet of bole. |
| 1241511 |
gouty pitch midge |
Cecidomyia piniinopis |
Gouty pitch midge infests and kills shoots, usually of young pines. |
| 2254019 |
frost and winter injury (general) |
|
in Glacier National Park |
| 2254021 |
frost and winter injury (general) |
|
in Glacier - N.P. |
| 2254028 |
western balsam bark beetle |
Dryocoetes confusus |
showing red top trees in stand |
| 2254038 |
larger boxelder leafroller |
Archips negundana |
defoliation |
| 2254039 |
alder flea beetle |
Altica ambiens |
and larva on leaf |
| 2254040 |
Ips engraver beetles |
Ips spp. |
damaged limbs cut and piled for burning |
| 2254042 |
forest tent caterpillar |
Malacosoma disstria |
|
| 2252069 |
mountain pine beetle |
Dendroctonus ponderosae |
lindgren funnel trap |