Make up an agenda. Changes in how farming is done and compensated have added stress to operations, according to Brown. Farm families often feel 'normal' no longer exists. Armyworm update Armyworms continue to march across central Illinois fields. Depending on their size, armyworms can attack a crop from a week to 30 days.
Armyworms have six stages of growth.
By the sixth and final stage, it has about a week to 10 days to feed. They are frequently found curled up. Notable features include false legs with dark, diagonal bands and a head capsule that has a dark, wide, V-shaped marking between the eyes. Both sides of the larvae have an orange stripe running down the side. Producers are encouraged to contact Montgomery at the extension office with information on armyworm infestations.