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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. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The larch casebearer, Coleophora laricella (Hubner) was first reported attacking western larch, Larix occidentalis, in Idaho in 1957 (Denton, 1958), 71 years after its introduction into Massachusetts from Europe. The apparent successful regulation of this insect in the eastern U.S. by introduced parasites prompted biological control attempts in the West....
Resource Type:: Technical Report
Full Text:: and 1969, Forest Insect & Disease Management released A. pumila at 378 locations in Washington, Idaho

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:: Bousfield, Wayne E.
Resource Type:: Technical Report
Full Text:: of Agathis pumila (Ratz.) for control of larch casebearer and notes on native parasitism and

Creator:: Oregon State University. Extension Service, Koepsell, Paul A., and Horner, C. E. (Chester Ellsworth), 1925-
Abstract:: Published January 1975. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: control nematodes that affect mint production, except low rates of Vapam and Vorlex. or the soil

Creator:: Oregon State University. Cooperative Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, Johansen, C. A. (Carl A.), and United States. Department of Agriculture
Abstract:: Revised March 1978. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: . There is no guarantee that the use of this information will provide satisfactory pest control and not

Creator:: Oregon State University. Extension Service, Capizzi, Joseph, and Swenson, K. G. (Knud George), 1923-
Abstract:: Published April 1972. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . Because females produce offspring over an ex- Pest Control for Holly Prepared by J. CAPIZZI, Extension

Creator:: Westigard, Peter H., Lombard, P. B. (Porter B.), and Berry, Donald W.
Abstract:: This publication deals with the development of integrated pest management of insect and mite species that attack pears in southern Oregon. Since about 1900, when the pear industry became firmly established in this area, losses from arthropod pests have been an important and occasionally limiting factor to the continuous production...
Resource Type:: Technical Report
Full Text:: various control tactics tested to each major pest. Another important difference between 1PM and the stage

Creator:: Oregon State University. Extension Service, Kamm, James A., and Robinson, Robert Ray, 1941-
Abstract:: Published February 1974. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: per acre will control the pest. Applications should be made during a period of good weather in mid

Creator:: Oregon State University. Extension Service, Swenson, K. G. (Knud George), 1923-, and Capizzi, Joseph
Abstract:: Published June 1971. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: Control Prepared by K. G. SWENSON, Entomology Department, and J. CAPIZZI, Extension Entomologist Oregon

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