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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.
Resource Type:: Technical Report
Full Text:: the Northern Region and attempts at biological control with Agathis pumila. USDA, Forest Serv., Div

Creator:: Niwa, Christine Gail, Hard, John S., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: No. • • • 9 3 PARASITE COMPLEX OF THE LARCH CASEBEARER IN IDAHO AND MONTANA Y1 0. Si- /5

Creator:: James, Robert L., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Abstract:: A preliminary evaluation of the biological control formulation of Trichoderma harzianum marketed as BioTrek® was conducted on bareroot Douglasfir and western white pine seedlings at the USDA Forest Service Nursery, Coeur d'Alene, Idaho. The biocontrol material was applied topically on seed shortly after sowing and comparisons made between treated and...
Resource Type:: Technical Report
Full Text:: TOPICAL APPLICATION OF THE BIOLOGICAL CONTROL AGENT BIOTREK® ON PRODUCTION OF BAREROOT DOUGLAS-FIR AND

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