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USFS Logo Research Data Archive

*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 16 of 16
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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.]
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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