Fall Armyworm (2026)

Lawns, corn, vegetables

Quick answer: Fall Armyworm attacks lawns, corn, vegetables. Start with the organic/IPM steps below; use the chemical option only if damage escalates, and always follow the product label. Monitor with pheromone traps; maintain dense turf.

Your Fall Armyworm IPM card

Select your state to see whether this pest is common there, then print.

Your state

Fall Armyworm in Alabama: Listed among the most-reported pests in your state — watch for it.

Fall Armyworm

Targets

Lawns, corn, vegetables

Signs

Ragged turf; clusters of caterpillars; birds feeding.

Organic / IPM first

Bt (kurstaki), beneficial nematodes, hand-pick.

Chemical option (follow label)

Spinosad or pyrethroid for active outbreaks.

Prevention

Monitor with pheromone traps; maintain dense turf.

More pests

Aphids Japanese Beetle Tomato Hornworm Squash Bug Squash Vine Borer Cutworm Cabbage Maggot Whitefly

Treatments follow integrated pest management (IPM): identify first, least-toxic fix second. Product specifics and labels vary by state — confirm with your county extension.