A fall armyworm factsheet, titled "Fall Armyworm in Ohio Field Crops" written for Ohio Line by Dr's Kelley Tilmon and Andy Michel is now available online! This factsheet discusses the lifecycle, management and treatment options available for fall armyworm in Ohio. Fall armyworm is not a yearly pest in Ohio, becasue it does not overwinter in our region. In fact, fall armyworm is considered It is a tropical species, that when high populations and the right weather events occur, migrates north. This event is known to reoccur every 3-5 years. Ohio saw a large outbreak of fall armyworm in the fall of 2021.
In order to monitor the fall armyworm, Ohio State University has a "Lep Monitoring Network" that uses a pheromone trap to monitor fall armyworm numbers from late August through September. To view past newsletter articles of the Lep Monitoring Network, click here: https://agcrops.osu.edu/newsletter/corn-newsletter/archives
A link to the online version can be found on our website by clicking on the "Extension Publications" heading, followed by "Corn Publications". For more information on the fall armyworm and to view the factsheet PDF, click here!