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These terms define your current search. Click the × to remove a term. Government, Law and Regulations: government and administration > government agencies > USDA > Agricultural Research Service × 14 items, grouped by Insects and Entomology (view ungrouped items) entomology (1)    (Click to View) The European Biological Control Laboratory: an existing infrastructure for biological control of weeds in Europe EPPO bulletin insects (1)    (Click to View) The European Biological Control Laboratory: an existing infrastructure for biological control of weeds in Europe EPPO bulletin