Biological Control of Arthropod Forest Pests of the Western United States: A Review and Recommendations |
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Abies additional adult Agriculture Alaska appear areas Ashmead associated attack bark beetles biological control British Columbia California Canadian Entomologist cause Choristoneura cone considered Cresson Cushman Dahlsten defoliation Dendroctonus densities disease Douglas-fir dynamics effective eggs Eikenbary and Fox endemic epidemic established et al Europe factors feed forest Furniss and Carolin Furniss and Dowden growth hosts and damage impact important increase infestations insect introduced Invertebrate Parasitoids Invertebrate Predators Journal killed known larvae lead Lepidoptera levels limited losses Mason and Torgersen mortality moth native natural enemies needles North America numbers occur Oregon Origin outbreaks parasitism parasitoids pathogens pest species Pest Status pheromones Picea pine pini Pinus Plant hosts ponderosa populations possible practices predators present pseudotsugae pupae Range in North Recommendations recorded reduced region reported Rhyacionia sawfly Scolytus species spruce stands studies Table Torgersen trees tsugae United usually Warren Washington western
Popular passages
Page 99 - Studies of predators of the balsam woolly aphid, Adelges piceae (Ratz. ) (Homoptera: Adelgidae) II.
Page 99 - Notes on introduced parasites of the European pine shoot moth, Rhyacionia buoliana (Schiff.) (Lepidoptera: Tortricidae), in Ontario.
Page 95 - Balch, RE 1952. Studies of the balsam woolly aphid, Adelges piceae (Ratz.) (Homoptera: Phylloxeridae) and its effects on balsam fir, Abies balsamea (L.) Mill.
Page 99 - RW 1974. Root pathogens as agents predisposing ponderosa pine and white fir to bark beetles.
Page 120 - Paper 57, 14 p. Oct. (6) Forest Industries Council, 220 East 42nd Street, New York, 17, NY 1957. Marketing information available to forest owners. (7) Forest Service, US Department of Agriculture. 1958. Timber Resources for America's Future. Forest Resource Report No. 14, 713 p. Jan. (8) Guttenberg, S. 1956. Influence of Timber Characteristics upon Stumpage Prices. US Forest Serv. South. Forest Expt. Sta. Occas. Paper 146, 14 p. (9) Northeastern Regional Technical Committee, Cooperative Regional...
Page 95 - Chalcididae) a parasite of the European pine shoot moth, Rhyacionia buoliana (Schiff.), (Lepidoptera: Olethreutidae). „The Canadian Entomologist',
Page 96 - The importance of the European pine shoot moth, Rhyacionia buoliana (Schiff.) in Quebec City and vicinity.
Page 111 - COLLEGE OF AGRICULTURE AND LIFE SCIENCES, VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY, Blacksburg, Va., January 23, 1975.
Page 103 - Four new Chalcidoid parasites of the pine tip moth, Rhyacionia frustrana (Comstock). Journal of 'Agricultural Research 34 (6): 545-548.
Page 110 - ND Wygant. 1954. Biology and control of the Engelmann spruce beetle in Colorado. US Dep.