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Filtering by: Subject Hemlock looper -- Eggs -- Counting -- Idaho

Results of western hemlock looper egg survey

Creator:

Meyer, Hubert E., Livingston, R. Ladd, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

The western hemlock looper, Lambdina fiscellaria Zugubrosa Hulst, caused, aerially visible defoliation on approximately 10,000 acres of State, private, and Federal forests of northern Idaho in 1972. This is the first report of noticeable defoliation by this insect in Region 1 since the late 1930's (Dewey et al. 1972).

Resource Type:

Technical Report