Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

USFS Logo Research Data Archive

*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 47 of 47
10 | 20 | 50 per page
Picea lutzii killed by Dendroctonus borealis mile 40 Seward Hwy. Woodpecker holes evident in trunk.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
pityophthorus sp
Location: Alaska; Seward Highway
Description: Picea lutzii killed by Dendroctonus borealis mile 40 Seward Hwy. Woodpecker holes evident in trunk.
Date: 9/1959

Picea lutzii killed by Dendroctonus borealis mile 40 Seward Hwy. Woodpecker holes evident in trunk.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
pityophthorus sp
Location: Alaska; Seward Highway
Description: Picea lutzii killed by Dendroctonus borealis mile 40 Seward Hwy. Woodpecker holes evident in trunk.
Date: 9/1959

Picea lutzii killed by Dendroctonus borealis mile 40 Seward Hwy. Woodpecker holes evident in trunk.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
pityophthorus sp
Location: Alaska; Seward Highway
Description: Picea lutzii killed by Dendroctonus borealis mile 40 Seward Hwy. Woodpecker holes evident in trunk.
Date: 9/1959

Defoliated birch stand by Eulype hastata, Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch stand by Eulype hastata, Richardson Hwy.
Date: 8/1958

Aspen leaf roller damage Elliott Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Elliott Highway
Description: Aspen leaf roller damage Elliott Hwy.
Date: 7/1958

Birch foliage damaged by Eulype hastata, Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Birch foliage damaged by Eulype hastata, Richardson Hwy.
Date: 7/1958

Close up of birch tree infested with Eulype hastata Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Close up of birch tree infested with Eulype hastata Richardson Hwy.
Date: 7/1958

Defoliated birch leaves by Eulype hastata Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch leaves by Eulype hastata Richardson Hwy.
Date: 7/1958

Defoliated birch stand by Eulype hastata Richardson Hwy
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch stand by Eulype hastata Richardson Hwy
Date: 7/1958

Defoliated birch stand by Eulype hastata Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch stand by Eulype hastata Richardson Hwy.
Date: 7/1958

Defoliated birch stand by Eulype hastata Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch stand by Eulype hastata Richardson Hwy.
Date: 7/1958

Defoliated birch stand by Eulype hastata Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch stand by Eulype hastata Richardson Hwy.
Date: 7/1958

Defoliated birch stand by Eulype hastata Richardson Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway
Description: Defoliated birch stand by Eulype hastata Richardson Hwy.
Date: 7/1958

Partially defoliated birch leaf [??] by Eulype hastata.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
eulype hastata
Location: Alaska; Richardson Highway?
Description: Partially defoliated birch leaf [??] by Eulype hastata.
Date: 7/1958

Adults of Eulype hastata on damp ground. Birch Lake.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska; Birch Lake
Description: Adults of Eulype hastata on damp ground. Birch Lake.
Date: 7/1958

Adult Eulype hastata.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Adult Eulype hastata.
Date: 7/1958

Adult Eulype hastata.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Adult Eulype hastata.
Date: 7/1958

Pupae of Eulype hastata.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Pupae of Eulype hastata.
Date: 7/1958

[Forest pests. Location could be British Columbia.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: [Forest pests. Location could be British Columbia.]
Date: 7/1958

Eggs of large ladybird beetle mile 43, Elliott Highway.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska; Elliot Highway
Description: Eggs of large ladybird beetle mile 43, Elliott Highway.
Date: 7/1958

Eggs of large ladybird beetle mile 43, Elliott Highway.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska; Elliot Highway
Description: Eggs of large ladybird beetle mile 43, Elliott Highway.
Date: 7/1958

Rearing rack for rearing insects.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Rearing rack for rearing insects.
Date: 7/1958

Galleries made by cedar bark beetle.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
pityophthorus sp
Location: Alaska
Description: Galleries made by cedar bark beetle.
Date: 3/30/1958

Hopkins #40250 snowshoe from Sheldon Jackson Museum infested by Hadrobregmus sp.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
hadrobregmus sp
Location: Alaska; Sitka; Sheldon Jackson Museum
Description: Hopkins #40250 snowshoe from Sheldon Jackson Museum infested by Hadrobregmus sp.
Date: 1/30/1958

Hopkins #40250 snowshoe from Sheldon Jackson Museum infested by Hadrobregmus sp. - emergence holes visible.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
hadrobregmus sp
Location: Alaska; Sitka; Sheldon Jackson Museum
Description: Hopkins #40250 snowshoe from Sheldon Jackson Museum infested by Hadrobregmus sp. - emergence holes visible.
Date: 1/30/1958

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Dendroctonus obesus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Dendroctonus obesus.
Date: 12/1957

Porcupine River, Alaska. Bank cutting-dislodged w. spruce become breeding material for lps interpuctus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
megaloptera
Location: Alaska; Porcupine River
Description: Porcupine River, Alaska. Bank cutting-dislodged w. spruce become breeding material for lps interpuctus.
Date: 6/22/1957

Porcupine River, Alaska. Under cutting bank and dislodged w. spruce trees serve as breeding material for lps interpuctus.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
megaloptera
Location: Alaska; Porcupine River
Description: Porcupine River, Alaska. Under cutting bank and dislodged w. spruce trees serve as breeding material for lps interpuctus.
Date: 6/22/1957

Hopkins #39386 Argyresthia sp. Adult on western hemlock. Larval stage mines in the tips of the needles.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Hopkins #39386 Argyresthia sp. Adult on western hemlock. Larval stage mines in the tips of the needles.
Date: 5/22/1957

Black-headed budworm adults. [Year estimated. Location could be British Columbia.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Black-headed budworm adults. [Year estimated. Location could be British Columbia.]
Date: 1957

Black-headed budworm adults. [Year estimated. Location could be British Columbia.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Black-headed budworm adults. [Year estimated. Location could be British Columbia.]
Date: 1957

Female & male adults, hemlock sawfly. [Year estimated.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Female & male adults, hemlock sawfly. [Year estimated.]
Date: 1957

Male & female adults, hemlock sawfly. [Year estimated.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Male & female adults, hemlock sawfly. [Year estimated.]
Date: 1957

Hemlock sawfly parasite, adult Hymenoptera. [Year estimated.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: systematic zoology
insecta
Location: Alaska
Description: Hemlock sawfly parasite, adult Hymenoptera. [Year estimated.]
Date: 1957

Hopkins #39342 Pityophthorus sp. Adult in gallery bored in lodgepole pine at mile 7, Glacier Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
pityophthorus sp
Location: Alaska
Description: Hopkins #39342 Pityophthorus sp. Adult in gallery bored in lodgepole pine at mile 7, Glacier Hwy.
Date: 9/1956

Hopkins #39342 Pityophthorus sp. Adult in gallery bored in lodgepole pine at mile 7, Glacier Hwy.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
pityophthorus sp
Location: Alaska; Juneau
Description: Hopkins #39342 Pityophthorus sp. Adult in gallery bored in lodgepole pine at mile 7, Glacier Hwy.
Date: 9/1956

Sitka Spruce infested with Dendrostonus borealis at Montana Creek. Trees killed by flooding.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
dendrostonus borealis
Location: Alaska; Juneau; Montana Creek
Description: Sitka Spruce infested with Dendrostonus borealis at Montana Creek. Trees killed by flooding.
Date: 9/1956

Black-headed budworm top-killed w. hemlock at Thayer Lake, Admiralty Island.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
black headed bud worm
Location: Alaska; Admiralty Island; Thayer Lake
Description: Black-headed budworm top-killed w. hemlock at Thayer Lake, Admiralty Island.
Date: 8/1956

Black-headed budworm top-killed w. hemlock at Thayer Lake, Admiralty Island.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
insects
black headed bud worm
Location: Alaska; Admiralty Island; Thayer Lake
Description: Black-headed budworm top-killed w. hemlock at Thayer Lake, Admiralty Island.
Date: 8/1956

Western hemlock seeds showing insect emergence holes.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection: damage by animals
insects: ephemeroptera
Location: Alaska
Description: Western hemlock seeds showing insect emergence holes.
Date: