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Iowa State University

The European Corn Borer

Department of Entomology

  • The Insect
    • Identification
    • Life Cycle and Generational Ecotypes
    • Pheromone Types and Pheromone Trapping
    • How Corn is Damaged
  • Management
    • Scouting Techniques
    • First Generation
    • Second Generation
    • Reaching a Management Decision
    • First Generation in Whorl-Stage Corn
    • Second Generation in Tassel-Stage or Later Corn
    • Cost-Benefit
    • Timing Insecticide Treatment
    • Application Equipment
    • Resistant Varieties
    • Biological Agents
    • Transgenic Corn
    • Weather
    • Cultural Practices
  • Commodities
    • Sweet Corn
    • Popcorn
    • Seed Corn
    • Peppers
    • Snap Bean
    • Cotton
    • Wheat
    • Potato
    • Other Crops
  • Predictive Models
  • Galleries

All immature stages of the European corn borer are attacked by natural enemies that contribute to reducing its densities.

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Cocoons of Macrocentrus grandii
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Eriborus terebrans female
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Lydella thompsoni puparium
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A Macrocentrus grandii female
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Egg parasitism
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Egg mass parasitized by a Trichogramma nubilale wasp
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Beauvaria bassiana
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Lydella thompsoni adult fly
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Lady beetle larva
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Adult lady beetle
Iowa State University

Department of Entomology

Copyright © 2013 Iowa State University of Science and Technology. All rights reserved.