Insect Alert For

Corn Earworm

Risk Level:
Low Risk
Affected Area:
Full page
Alert Details

A very persistent weather pattern is predicted through all of the holiday weekend and also it looks like into next week, as well, with high pressure firmly anchored over the east coast of the United States and a trough over the northwestern United States. Such a pattern leaves moist, southerly flow in place across much of the corn-growing region. With a number of fresh market and processing fields still at susceptible stages to damage from corn earworms, nightly migration risks will remain in the forecast through early next week in the same general area (from eastern Nebraska and Minnesota east into the I-75 corridor in lower Michigan and western Ohio). Growers with crops at growth stages where corn earworms can still cause damage should continue to watch traps and scout fields closely through the next several weeks as recent and previous flights this month have resulted in rather high corn earworm pressure at a number of locations in the northern corn-growing region. With additional moth flights possible in the next week, corn earworms may be a force to be reckoned with well into September.