The black cutworm, Agrotis ipsilon (Hufnagel), has been and continues to be the subject of many biological and control studies in the north-central states. Interest in this insect can often be traced to its status as a major, but sporadic pest of field com in the region.
Levine, Eli; Clement, S. L.; and Schmidt, R. S.
"A Low Cost and Labor Efficient Method for Rearing Black Cutworms (Lepidoptera: Noctuidae),"
The Great Lakes Entomologist, vol 15
Available at: https://scholar.valpo.edu/tgle/vol15/iss1/7