2019/2020 Fall Army Worm Moth Study

— Written By Gary Cross
en Español

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In 2019/2020, a Fall Army Worm Study was conducted to monitor which were the weeks with the highest moth flight activity. Fall Army Worm can do damage to many crops, including corn, soybeans, tobacco, hemp, wheat, grain sorghum, and pasture to name a few. A two-year total of 16  army worm moth trapping stations were put out with Farmers in Granville and Person Counties. Each of the moth traps was monitored weekly for numbers of moths. In 2019 the highest number of moth counts was during the week of 9-9-19. In 2020, the highest number of moth counts was the week of 9-7-20. Exactly the same weeks. This could give time for treatment if needed to save a crop. Normally from moth to hatch is about two weeks, so scouting your field should be a priority in those two weeks. Trapping continues but moth flights are declining.