| 5382430 |
blue spruce engraver |
Ips hunteri |
Aerial view of an infestation |
| 5382435 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 5382436 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 5382437 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of tree mortality |
| 5382438 |
mountain pine beetle |
Dendroctonus ponderosae |
Tree mortality |
| 5382442 |
mountain pine beetle |
Dendroctonus ponderosae |
Aerial view of fresh attacks in ponderosa pine amid older dead lodgepole pines, Colorado State Forest |
| 5382497 |
western balsam bark beetle |
Dryocoetes confusus |
Aerial view of tree mortality |