Cutworms are a big problem throughout North America. Cutworms live in the thatch in your lawn and chew any blades of grass they can reach from the surface of the soil. The grub in this picture just chewed through some celery. They can do a lot of damage to your lawn!
Here in the Northwest, Cutworms are one of the major lawn destroying grubs. If you have a severe problem with cutworms, your grass will die from the top down.
What do Cutworms look like?
Cutworms are usually brown or tan color and they have a few stripes that run down their middle. In the fall they turn into dark months. These insects are mostly nocturnal. They come out at night to eat your lawn. They are 1 to 2 inches in length.
How do I control cutworms?
Fortunately cutworms are very easy to control and get rid of. Most contact herbicides will help kill them. If you just spray the pesticides on the grass blades, the cutworms will it the blades and then die. For best results spray on in just before dark to get them when they are the most active. If damage in not severe, the lawn may recover by itself, other wise you may need to seed your lawn again.
Find out more about what damage these white lawn grubs can do to your lawn.