Index Catalog // ScholarsArchive@OSU

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An aerial survey during 1974 revealed approximately 5,000 acres of various degrees of Douglas-fir tussock moth, Orgyia pseudotsugata McD., defoliation in the lower Flathead Valley. An egg mass survey was made in September to determine the potential for damage in 1975. Based on new egg mass densities, significant defoliation may...
Resource Type:: Technical Report
Full Text:: degrees of Douglas-fir tussock moth, Orgyia pseudotsugata McD., defoliation in the lower Flathead Valley

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Evaluation of Douglas-fir tussock moth, Orgyia pseudotsugata, egg masses collected from an outbreak area in the lower Flathead Valley indicated that overall egg viability was relatively high, egg parasitism was low, and virus infestation averaged 7.1 percent northwest of Polson, 17.9 percent south of St. Ignatius, and 57.0 percent west...
Resource Type:: Technical Report
Full Text:: • sable 1.--Data from Douglas-fir tussock moth egg masses collected from lower Flathead Valley and

Creator:: Meyer, Hubert E., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: December 1975 STATUS OF WESTERN FALSE HEMLOCK LOOPER INFESTATION IN THE UPPER FLATHEAD VALLEY, MONTANA by

ScholarsArchive@OSU