date:Jun 07, 2013
ths overwinter in the milder states surrounding the Gulf of Mexico, but migrate north to Indiana from late February to June.
Fields with abundant annual weeds or cover crops are ideal places for moths to lay their eggs, so farmers should be careful to keep the co-occurrence of cover crops and corn crops to a minimum; this year's rains made that difficult.
Young worms with about 25 days left to feed will cut small notches into corn leaves. While the damage is usually not economically significan