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USFS Logo Research Data Archive
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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