01731.jpg
Budworm infested Douglas fir (Pseudotsuga menziesii var. glauca);
William W Dunmire;
1971
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01732.jpg
Healthy & infested trees;
William W Dunmire;
1971
|
01733.jpg
Slope of budworm damaged trees;
William W Dunmire;
1971
|
17968.jpg
Spruce budworm infestation;
Myers;
1961
|
18185.jpg
Spruce budworm infestation;
Myers;
1961
|
18186.jpg
Spruce budworm - last years eating & this years growth;
Photographer unknown;
1970
|
18187.jpg
Spruce budworm;
Photographer unknown;
1968
|
18188.jpg
Spruce budworm;
Photographer unknown;
1968
|
18189.jpg
Spruce budworm pupae case - limber pine;
Myers;
1964
|
18190.jpg
Spruce budworm cocoon;
Photographer unknown;
1970
|
|
18192.jpg
Larvae feeding galleries;
Myers;
1962
|
18193.jpg
Boring Fras - Douglas fir beetle;
Photographer unknown;
1962
|
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