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1. The corn borer in central Europe : a review of investigations from 1924 to 1927 (id:CAT86200129)

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2. Apanteles thompsoni Lyle : a braconid parasite of the European corn borer (id:CAT86200227)

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3. The biology and morphology of the braconid Chelonus annulipes Wesm., a parasite of the European corn borer (id:CAT86200288)