Entries » Illinois Fall Armyworm Monitoring 2013

Counties with fall armyworm moth traps (click on a highlighted county to see trap captures)

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NameIllinois Fall Armyworm Monitoring 2013

Fall armyworm adults migrate from the south in early summer. Moths are attracted to late planted corn to lay their eggs. Larvae feed on the whorl leaves and ear. Damage to the ear resembles that from the corn earworm except that an entry hole is visible. Damage to the ear is usually not economic, but treatment may be justified if infestations occur during the late-whorl stage.