1. Growth stages of corn as related to European corn borer infestation;Batchelder;U.S. Dep. Agric. Bur. Ent. and Plant Quarant.,1946
2. European corn borer location on the corn plant as related to insecticidal control;Batchelder;Tech. Bull. U.S. Dep. Agric.,1949
3. Observations on the European corn borer, Pyrausta nubilalis (Hübn.);Beard;Bull. Conn. agric. Exp. Sta.,1941
4. The significance of growth stages of sweet corn as related to infestation by the European corn borer;Beard;Bull. Conn. agric. Exp. Sta.,1943
5. Investigations on the control of the European corn borer;Beard;Bull. Conn. agric. Exp. Sta.,1942