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Found 436 works matching this query
Three common insect pests of western Washington
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Annotated bibliography on Aphelinus mali (Hald.), a parasite of the woolly apple aphid, 1851-1950
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The digestive tract of Longistigma caryae (Harris)
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Screening of germplasm of oleiferous brassicae for resistance to aphids
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Biological control of the Russian wheat aphid.
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Miscellaneous papers
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Miscellaneous papers
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Miscellaneous papers
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Miscellaneous papers
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Miscellaneous papers
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