Because they feed at night, you may not see the caterpillars right away. With a few simple treatment steps and regular yard maintenance, you can keep armyworms at bay and help your garden flourish. Method 1 Managing Armyworms in Grass Download Article 1 Look for early signs. Then, it’s time to consider treating your yard. Includes Beet armyworm ( Spodoptera exigua ) Bertha armyworm ( Mamestra configurata ) Western yellowstriped armyworm ( Spodoptera praefica) Pest description. Their distinguishing traits are a series of green, yellow, or brown stripes down the length of their bodies. Fully-grown larvae range between 1 to 1.5 inches long and are hairless. At the first signs of brown patches and chewed plants, look for the small armyworm larvae, which are identifiable due to their green, yellow, brown, or reddish stripes that span their body length. Army worm caterpillars can either be light green or tan in their early growth stage and dark green or brown in later stages. Armyworms can lay devastation to a lawn or garden in a matter of days. 5 min read Learn about the biology, damage, and management of the fall armyworm, a reported annual pest on crops in the Southeast for more than 100 years. If you suspect armyworms as the cause of your garden woes, it’s important to identify and treat the problem quickly. Keeping a healthy yard will also help your grass or plants bounce back in the case of a minor armyworm infestation. Keeping grasses short and removing fallen debris also exposes armyworm hiding spots, so natural predators can pick off existing bugs. A well-maintained garden creates a less attractive environment for the adult moths to lay their eggs. Long grass and grassy weeds can attract adult armyworms. Septemat 12:07 PM 6 min read Yahoo Life has received compensation to create this article, and receives commission from purchases made via links on this page. Aim to make your garden a better environment for natural larvae predators, such as birds and beneficial insects like ground beetles, rove beetles, and ladybugs. In many areas, natural predators can help keep armyworms in check. Photo: STEP 5: Keep the lawn mowed to a reasonable height and keep grassy weeds at bay.
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