Pyrausta NubilalisHubn. in Europe: Notes on Infestation and Parasitism from 1926 to 1928

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Abstract
This paper is supplementary to Technical Bulletin No. 59 of the U. S. Department of Agriculture, "The European Corn Borer and Its Controlling Factors in Europe", and contains certain data assembled since the preparation of the manuscript of that publication and covering the years 1926, 1927, and 1928. These include records of percentages of infestation by Pyrausta nubilalis, additional records of the distribution of parasites of P. nubilalis; parasitism by species and zone, for the three years mentioned; new determinations of corn-borer parasites; and records of secondary parasites.

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