Source: Purdue University

As shown in this week's "Black Cutworm Adult Pheromone Trap Report," this insect has begun its arrival into the Midwest. Female cutworm moths are particularly attracted to winter annuals, such as chickweed and mustards in which to lay their eggs.

Fields that are showing plenty of green are at highest risk for cutworm damage. Corn and soybean are among the cutworm's least favorite foods, it just so happens that these are the only plants remaining by the time larvae have emerged and weeds have been killed. Research has shown that cutworm larvae starve if weeds are treated with tillage or herbicide 2-3 weeks before crop emergence