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By: United States. Department of Agriculture.Edition:Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, 1991Volume: PA-1321Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Biological control Hypera postica life cycle (organisms) Medicago sativa Microctonus Parasites United StatesBHL Collections:
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By: Ferrell, George T.Edition:Publication info:Volume: no.91 (1986)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: California conifer needles discoloration Epidemiology Hemiptera Insect pests life cycle (organisms) North America Nuculaspis californica Pest Control Pinopsida PinusBHL Collections:
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By: Ferrell, George T.Edition:Publication info:Volume: no.13 (1986)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Abies concolor Abies grandis Abies magnifica Animal behavior Geographical distribution Insect Control life cycle (organisms) natural enemies Scolytus ventralis symptoms Western United StatesBHL Collections:
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By: Cavey, Joseph F. - Passoa, SEdition:Publication info:Volume: NA-TP-18-93Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Disease Vectors forest pests Insect pests Ips typographus life cycle (organisms) PennsylvaniaBHL Collections:
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By: Alexander, Robert R. - Shearer, R.C. - Shepperd, W.D.Edition:Publication info:Volume: no.115Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Abies lasiocarpa Ecological succession Geographical distribution Habitats life cycle (organisms) North America Plant communitiesBHL Collections: