date:Jun 07, 2013
t, this is the stage to try to get rid of the pests. Older worms are harder to control and will ruin crops by cutting into the plants.
Growers are likely to notice signs of feeding once populations reach two black cutworm larvae per 100 plants. Each worm has the potential to cut four plants in its lifetime.
As soon as growers see damage on emerging corn and find the black cutworm levels over threshold in the area, they should treat, Professor Krupke said.
Most damage is done at night. During