| 1241706 |
western conifer-seed bug |
Leptoglossus occidentalis |
Brightly colored seed bug nymphs. This stage is common during summer months. |
| 1241708 |
western conifer-seed bug |
Leptoglossus occidentalis |
Seed bugs mating. Note flattened tibia on hind legs. This characteristic has resulted in their also being called "leaf-footed" bugs. |
| 1241469 |
Douglas-fir beetle |
Dendroctonus pseudotsugae |
Red-orange boring dust is evidence of successful attack. |
| 1241643 |
herbicides (general) |
|
Hormone type herbicide injury causing recurved needles but minimal discoloration. Note the dead forbs. |
| 1241738 |
cone worms |
Dioryctria spp. |
Pitch mass showing mass opened to expose larva. |
| 1241703 |
lodgepole cone beetle |
Conophthorus ponderosae |
External appearance of cone infected by cone beetle. The upper cone is normal, and the lower right cone is infested. |
| 1241737 |
cone worms |
Dioryctria spp. |
Pitch mass on small lodgepole pine stem showing appearance of resin mass. |
| 1241463 |
Ips engraver beetles |
Ips spp. |
Top kill from Ips attack. |
| 1241712 |
blue stain |
|
Characteristic radiating pattern of blue stain in cross section. |
| 1241704 |
lodgepole cone beetle |
Conophthorus ponderosae |
Attacked cone with pitch tube at base. |
| 1241701 |
cone worms |
Dioryctria spp. |
Webbed clump of frass and cone discoloration indicating coneworm infestation. |
| 1241702 |
cone worms |
Dioryctria spp. |
Diorytria larva within developing cone. Damage is typical for several species of cone worms. |
| 1241483 |
long-horned beetles |
|
Larvae have rounded "heads" and produce rounded feeding galleries. |
| 1241530 |
veiled polypore |
Cryptoporus volvatus |
Pouch fungus fruits through bark beetle emergence holes on boles. |
| 1350074 |
sulfur knapweed root moth |
Agapeta zoegana |
pheromone trap used to monitor adult male moths |
