Armyworms in Brunswick County
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Collapse ▲It’s that time of year again, Fall Armyworms are showing up across the southeast. Our coastal area gets hit hard every year with them, so it is time to start scouting!
They love our warm season turf grasses and field crops, so be on the lookout for them. Hot, dry weather can intensify fall armyworm problems when egg-laying adults concentrate their eggs in irrigated, green turf. Fall armyworm damage in turfgrass is very distinctive as they create a noticeable line between damaged and undamaged turfgrass. Usually damaged areas will originate around a site where egg masses can be easily laid (signposts, buildings) and radiate outward.
Although fall armyworms do not have many specific preferences, newly-installed sod is more attractive and more susceptible to damage. A simple dish soap and water drench can bring them to the surface in lawns. This scouting method will help confirm any suspected Armyworm damage. The directions for conducting a soapy-water drench can be found on the NC Turfbugs Site.
Fall Armyworms can be difficult to control, however there are a few chemical treatment options available. Insecticides are generally ineffective against large larvae, so prior scouting is crucial for effective chemical applications. Recommended options can be found on Turf Files.
Fall Armyworms are also a serious pest in field crops. More information on how to manage this insect in corn.