Seasonal History of the European Corn Borer at Florence, South Carolina1

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Seasonal history studies of Ostrinia nubilalis (Hübner) at Florence, S. C. in 1967-68 revealed 4 generations per year. Adult emergence began in April of both years. Oviposition of 1st-, 2nd-, and 3rd-generation egg masses was heaviest on March-, April-, and May-planted corn respectively, with 4th-generation egg masses being observed primarily on Panicum sp. The percentages of larvae diapausing in field cages were 0.9, 54.3, and 100.0 for generations 1-3 in 1967 and 1.1, 18.9, 90.5, and 100.0 for generations 1-4 in 1968.

Document Type: Research Article

Publication date: October 1, 1969

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