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Creator:: Bousfield, Wayne E., Williams, Ralph E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: No. 77-3 IMPACT OF SPRUCE BUDWORM ON THE NEZPERCE NATIONAL FOREST, IDAHO, 1976 by Wayne E

Creator:: Bousfield, Wayne E., Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Epidemic levels of the pine butterfly, Neophasia menapia (Felder and Felder) have been evident in ponderosa pine stands in the Bitter Root Valley since 1969. Evaluations of this infestation were initiated in 1970 to assess overwintering egg populations at 20 locations within the infestation (Ciesla et al. 1971). Defoliation was...
Resource Type:: Technical Report
Full Text:: LOLO NATIONAL FORESTS, MONTANA IN 1972 by W. E. Bousfield and H. E. Meyer- Epidemic levels of the

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: In spruce budworm damaged areas, height growth loss can be a major factor in stand development. This survey was confined to top-killed trees. Estimates on height growth loss or nontop-killed trees was not attempted. Although spruce did not have as high a percentage of trees top-killed as the true firs,...
Resource Type:: Technical Report
Full Text:: DAMAGED BY THE WESTERN SPRUCE BUDWORM By Wayne E. Bousfield, Entomologist • United States Department

Creator:: Bousfield, Wayne E., Flavell, Thomas H., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: This evaluation showed that Bt provided measurable foliage protection 1 year after treatment, but no differences were evident after 2 years. We recommend future Bt tests include postspray population measurements in the pupal and/or adult, and/or egg stage, and that foliage protection be measured the following year. The effects of...
Resource Type:: Technical Report
Full Text:: •• e • Insect isease Management 5D/414 A4 9 43 not 80--q

Creator:: Bennett, D. D., Bousfield, Wayne E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A multistage sampling survey to measure annual and cumulative mortality of lodgepole pine by mountain pine beetle was conducted on the Beaverhead and Gallatin National Forests, 1978-79. The survey area, 270,000 acres, was stratified into three intensity classes from aerial sketchmapping. This was followed by large scale (1:6,000) aerial photography,...
Resource Type:: Technical Report
Full Text:: • • by Dayle D. Bennett • Biological Technician and Wayne E. Bousfield Impact Evaluation Specialist

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The purpose of insect and disease damage surveys is to estimate losses caused by various pests, so that the land manager can prescribe appropriate management action. Systematic ground data collection systems provide to the land manager loss data that can be used for cost benefit analysis, management plans, environmental impact...
Resource Type:: Technical Report
Full Text:: By c/ La ?,*:• F 3> n- ta z Wayne E. Bousfield, Entomologist o 97 n;717:N.- INTRODUCTION The

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: FOREST INSECT AND DISEASE DAMAGE SURVEY SYSTEM By Wayne E. Bousfield, Entomologist INTRODUCTION

Creator:: Bousfield, Wayne E., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: 1977 by Wayne E. Bousfield, Entomologist, and Robert D. Oakes, Biological Technician INTRODUCTION

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: ; IN IDAHO AND MONTANA, 1978 *61i!!!!!il' BY Wayne E. Bousfield, Entomologist Report No. 79-11

Creator:: Bousfield, Wayne E., Franc, G. C., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: OF WESTERN SPRUCE BUDWORM DAMAGE AREAS ON THE CLEARWATER NATIONAL FOREST IDAHO 1978 By Wayne E

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