Index Catalog // ScholarsArchive@OSU

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The larch casebearer Coleophora laricella (Hbn.) is now established throughout all western larch stands in Region 1. Population levels have begun to fluctuate in some of the older infested stands; however, it is still on the increase in more recently invaded territory. During the past 2 years work was begun...
Resource Type:: Technical Report
Full Text:: . Bousfield, Entomologist Forest Insect and Disease Branch • The larch casebearer Coleophora laricella (Hbn

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Dwarf mistletoes exert an impact on forest productivity, but this impact can be reduced through management practices. Even infested stands can yield considerable volumes if proper control methods are used. Projections of future yield increases due to control efforts are made. Cost of treatment in fiscal year 1973 was $51...
Resource Type:: Technical Report
Full Text:: . Unpublished document developed by Forest Pest Control and Forest Disease Research units in the • western

Creator:: Tunnock, Scott
Abstract:: The Douglas-fir tussock moth, Orgyia pseudotsugata McD., periodically defoliates Douglas-fir, true firs, and other host trees in forests of the western United States. In the Northern Region, these infestations occur about once every decade. This history covers the earliest recorded outbreak in northeastern Washington from 1928 to 1930 and includes...
Resource Type:: Technical Report
Full Text:: Douglas-fir were sighted south of Kettle Falls, Washington, during the annual aerial insect and disease

Creator:: Bousfield, Wayne E.
Resource Type:: Technical Report
Full Text:: Columbia USDA - FOREST SERVICE- NORTHERN REGION Division of State and Private Forestry Missoula, Mt

Creator:: Tunnock, Scott and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Numerous stands of western larch, Larix occidentalis, on the St. Joe, Coeur d'Alene, and Kaniksu National Forests, Idaho, show signs of gradual deterioration following repeated defoliation by larch casebearer, Coleophora Zaricella Hbn. (Tunnock et al. 1969). Stand deterioration can occur after 4 years of continued heavy defoliation. The main symptom...
Resource Type:: Technical Report
Full Text:: CASEBEARER IN THE NORTHERN REGION by Scott Tunnock, Entomologist • Forest Insect and Disease Branch

Creator:: Flavell, Thomas H., Tunnock, Scott, Drake, L. E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Aerial and ground surveys to detect and evaluate forest insect and disease conditions in North Dakota were made during June 1977 by personnel from the U.S. Forest Service, Forest Insect and Disease Management staff and the Rocky Mountain Forest and Range Experiment Station. A forest tent caterpillar outbreak in the...
Resource Type:: Technical Report
Full Text:: . Forest Service, Region 1, State and Private Forestry, Forest insect and Disease Management,. accompanied

Creator:: Deyrup, Mark Amidon and U.S. International Biological Program. Coniferous Forest Biome
Abstract:: The insects that invade a dying or dead tree are the immediate cause of death and the principle mediators of early stages of decomposition of the tree. These insects form a large and complex community, the species components of which are restricted to particular habitats. A study of the insect...
Resource Type:: Technical Report
Full Text:: scavenger and honeydew-feeder, which is found in many habitats and may even become a pest in houses. Smith

Creator:: Dewey, Jerald E., Jenkins, Michael J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An evaluation was made in 21 seed production areas and 1 seed orchard in Region 1 to identify the primary insect pests and to assess amount of injury caused. Cones from Douglas-fir, grand fir, western larch, lodgepole pine, ponderosa pine, and western white pine were collected periodically and examined. The...
Resource Type:: Technical Report
Full Text:: -Forest Service, State and Private Forestry, Missoula, MT; Graduate Student, Utah State Univ., Logan, UT

Creator:: Flavell, Thomas H. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: 1975). Annual aerial surveys are made by personnel from the Forest Insect and Disease Management staff

Creator:: Tunnock, Scott, Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: s0/444I PRONG JIND /Y/q 43 FOREST 7 p/aINSECT & DISEASE

ScholarsArchive@OSU