1312013
Adult(s)
Donald Owen
|
1312014
Damage
Donald Owen
|
1312015
Damage
Top-kill
Donald Owen
|
1241476
Damage
Top kill and tree mortality.
Kenneth E. Gibson
|
1248024
Damage
Top Kill in white fir, eastern slope of the Wet Mountains, CO
William M. Ciesla
|
1248025
Damage
Aerial view of top kill and tree mortality, Wet Mountains, CO
William M. Ciesla
|
1312010
Damage
Embedded scar from an unsuccessful attack of the fir engraver beetle on white fir.
Donald Owen
|
1312011
Damage
Embedded scar from an unsuccessful attack of the fir engraver beetle on white fir.
Donald Owen
|
1312012
Damage
Pitch streamers from fir engraver beetle. Tree was felled after being attacked.
Donald Owen
|
0758154
Damage
Aerial view of multiple tree spots
William M. Ciesla
|
0758155
Damage
Aerial view of tree mortality.
William M. Ciesla
|
0758156
Damage
Aerial view of tree mortality.
William M. Ciesla
|
0758157
Damage
Trees attacked by Scolytus ventralis showing variety of attack patterns: top kill, branch attacks and total tree kill.
William M. Ciesla
|
0806067
Damage
Red foliage stage. Malheur National Forest, northeastern Oregon
Dave Powell
|
1171064
Damage
Bubbled bark from old attacks
Chris Schnepf
|
