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John C. Schread has written:

'Studies on parasites of the Oriental fruit moth' -- subject(s): Trichogramma, Parasites, Grain, Oriental fruit moth, Diseases and pests

'Control of scale insects and mealybugs on ornamentals' -- subject(s): Scale insects, Pseudococcus

'Control of scale insects and mealybugs on ornamentals' -- subject(s): Scale insects, Pseudococcus

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10y ago

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