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Nosema pyrausta (Paillot) (Microsporida: Nosematidae) is an obligatory intracellular parasite of the European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Crambidae). This pathogen is maintained in natural populations of O. nubilalis by both horizontal and vertical transmission. The impact of N. pyrausta on fecundity of adults and survival of larvae has been well documented in laboratory...
Research was conducted in 1989 and 1990 to determine if Beauveria bassiana in combination with Bacillus thuringiensis or carbofuran is an effective tactic for season-long management of the European corn borer, Ostrinia nubilalis. A granular formulation of Beauveria bassiana was applied to corn at whorl stage (V6) and/or at pollen-shed stage (R1) corn. Bacillus thuringiensis or carbofuran was then...
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