1. Dep. of AgronomyIowa State Univ.AmesIA50011
2. USDA‐ARS, Corn Insects and Crop Genetics Research UnitDep. of AgronomyAmesIA50011
3. USDA‐ARS, R.W. Holley Center for Agriculture and Health, Dep. of Plant Breeding and GeneticsCornell Univ.IthacaNY14853.