What Kills Fall Armyworms

Birds, spiders, rove beetles, ants, wasps, and diseases kill the fall armyworm and can greatly reduce its damage. By smearing cooking fat on maize stalks, you will attract ants, which will kill any armyworms hidden in the whorl. Leave trees and hedges around your field to allow these farmers’ friends to live and feed.

What keeps armyworms away?

You’ll want natural armyworm predators around to keep future populations under control. Some common remedies include neem oil, bacillus thuringiensis, pyrethrin, and diatomaceous earth. Options like neem oil sprays are safe and effective against a wide variety of bugs and insects, including armyworms.

What is the best treatment for armyworms?

Treat Early for Best Control An armyworm infestation. If this happens in your yard, you can control armyworms with an insecticide. Apply Ortho® Bug B Gon® Insect Killer for Lawns if you find armyworms in your lawn—they’re surface feeders so you should be able to spot them in the turf.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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