| 1468087 |
Adult(s) |
size compared to a penny; August 1993 |
| 5477311 |
Adult(s) |
Club. |
| 5477312 |
Adult(s) |
Declivity. |
| 5477314 |
Adult(s) |
|
| 5477308 |
Adult(s) |
|
| 5477305 |
Adult(s) |
|
| 1468361 |
Larva(e) |
|
| 2254027 |
Galleries |
|
| 1241478 |
Galleries |
The distinctive gallery pattern results from the male excacating a central nuptial chamber from which the several females radiate out to produce their egg galleries. |
| 1441029 |
Damage |
in August 1977 |
| 2254029 |
Adult(s) |
|
| 1241477 |
Damage |
Trees killed typically have bright red crowns for a year or two after death. |
| 1441028 |
Galleries |
at Bighorn National Forest |
| 2253085 |
Damage |
|
| 1587054 |
Damage |
Old balsam woolly adelgid and western balsam bark beetle, subalpine fir (SAF) |
| 1587051 |
Damage |
|
| 1468362 |
Infestation |
|
| 5382497 |
Damage |
Aerial view of tree mortality |
| 2143058 |
Galleries |
|
| 1441027 |
Adult(s) |
Male (right) Female (left) |
| 5135072 |
Infestation |
Aerial view of tree mortality, Bull Mountain, Larimer CO, CO, 2006 |
| 5135073 |
Infestation |
Aerial view of tree mortality, Bull Mountain, Larimer Co, CO |
| 1468359 |
Galleries |
August 1993 |
| 1468086 |
Galleries |
|
| 2122055 |
Damage |
Aerial view of faders, Bull Mountain, Larimer, CO. |
| 1248026 |
Damage |
Aerial view of tree mortality near Bull Mountain, Larimer CO, CO |
| 0758158 |
Damage |
Scattered tree mortality |
| 2254028 |
Damage |
showing red top trees in stand |