Missouri Pest Monitoring Network
True Armyworm
True Armyworm, Pseuduletia unipuncta (Haworth), overwinter as partly grown larvae in Missouri. There are two to three generations each year in Missouri, but the larvae of the first generation in May and June causes the most feeding damage.
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Identification and Field ScoutingManagement of the Armyworm Complex in Missouri Field Crops (G7115)
MU Extension
Newsletter Articles for True Armyworm
Armyworm Found in Some Central and Western Missouri Wheat and Pasture Fields (05/23/17)
Potential for True Armyworm Problems in Grass Crops (05/27/14)
True Armyworm Larvae Reported in Tall Fescue and Wheat (05/30/13)
True Armyworm vs. Grass Sawfly (06/06/11)
True Armyworm in Grass Pastures, Wheat and Corn (06/06/11)
True Armyworm Numbers Drop in Wheat and Fescue (05/19/09)
True Armyworm Larvae Emerge in Southwest Missouri (05/05/09)
Potential for True Armyworm Problems in Grass Crops (04/21/09)