Corn Earworm
Some mainly isolated and shorter-distance corn earworm migration risks enter the forecast period especially later Sunday into Monday and continuing into the middle of next week until the next cold front passes through. What keeps the risk in the Low category is the presence of low pressure and likely associated showers/thunderstorms near it in the mid-south region south of Kansas and Missouri, and this may impede the longer-distance migrating moths that are becoming more desperate for suitable hosts given a maturing multi-crop in the mid-south and southern states. Further north, to the southeast of a cold front that will begin moving through the northern and northwestern corn-growing region by early next week, we may see some southerly winds set up east of this front and shorter distance migration will be possible initially west of Lake Michigan by later Sunday into Monday and potentially into the southwestern Great Lakes region by Tuesday or Wednesday. We will revisit the overall setup on Monday and provide the latest updates then. There have been some isolated but rather intense flights into some areas of the central and northern corn-growing region in the past week or so, so even in marginal weather situations, some flights can and will occur. Growers should stay vigilant and regularly check their traps and scout fields until the threat has passed for the specific field or fields of interest.

