Black Cutworm Information
Black cutworms, however, generally migrate into the Midwest earlier in the growing season and only inflict damage (cutting) in the earliest corn growth stages during/after emergence in the spring.
Corn Earworm Information
Losses from Corn Earworm have been estimated as high as 7% and populations may reach economic infestations of 35 million acres across the entire US.
Corn Rootworm Information
Western corn rootworm (WCRW) and northern corn rootworm (NCRW) follow very similar life cycles.