Just combine it in a watering can with 10 litres of water. You can get Bifenthrin from any Hardware store or nursery. We recommend 50-100mls or grams of Bifenthrin. The quickest and most effective way to eradicate them is to use insecticides on your lawn. If you have cutworms, they will wriggle to the surface. After dark, simply pour warm soapy water on the damaged area and shine a torch. There is a simple way to see if you really have cutworm in your lawn.

They tend to do the most damage in autumn. They can actually do a lot of damage in a short period of time. Soon thereafter, you will begin to discover leaf damage and castings from the caterpillar. The moth flies into your lawn and deposits its larvae. The life cycle of a cutworm is normally around 28 days.

Due to the fact that it often attacks the stems of plants, it got its name “cutworm.” The Cutworm Lifecycle However, if you are curious, you may be able to see your cutworms if you scratch the surface of the dirt near the damaged areas.Īt night, the cutworm comes out of hiding and feeds on your grass. This moth larvae hides under the soil so you won’t necessarily see it during the day. It is typically yellow, green, brown or grey and has stripes. It is actually a caterpillar, technically speaking. Surprising to many is the fact that the cutworm isn’t really a worm at all.

So what is cutworm and how concerned should you be if you have it? It’s Not Really a Worm The fact is that these pests can strike any time of year and do some serious damage. We are receiving an alarming number of calls from the public across the Perth area in Autumn with a pest called cutworm invading their lawns.

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