OKLAHOMA ALFALFA PRODUCTION CALENDAR  

Foliage-Feeding Caterpillars 

Alfalfa caterpillar, corn earworm, green cloverworm, and others complete generations at 4-6 week intervals and mixed infestations of several species may cause defoliation in each crop of alfalfa during summer. Estimate density by sweeping and spray or harvest if numbers reach 6 larvae/sweep. 

Short Production Tips for August 

Information Capsules 

Short OSU Extension Publications 

OSU Extension Circulars 

    Foliage Feeding Caterpillars Photographs  

     

 

 

 

 

 

 

 

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