western balsam bark beetle
Dryocoetes confusus Swaine, 1912

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Image Descriptor Description
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

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