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Though most of the insects you find in your garden won’t cause harm to your plants, there are certainly some that do, especially if their population grows out of control. For homeowners who have lawns, the grub worm is one such pest. Also commonly called grubs, lawn grubs, white grubs, or turf grubs, these critters feed on the roots of lawn grass and can cause significant damage if there are a lot of them infesting a lawn.

No matter what you call them, grub worms aren’t actually worms at all. They are the larval life-stage of several different species of beetles in the scarab family. They are a creamy-white color with a rusty orange head and six legs at the front of their body. Grubs are C-shaped and their bodies appear slick and shiny.

While most people think all lawn grubs are the larvae of Japanese beetles, there are actually several species of beetles that are called grub worms in their larval stage. All have a similar life cycle and cause the same type of damage to our lawns by eating the roots of the grass. Often Japanese beetles are blamed for the damage of other grub species.

No matter which type (or types) of grub worms reside in your landscape, most of the time they don’t cause any problems. Healthy, organic lawns that contain a mixture of grass species and other plants, such as clover and violets, can handle a fairly large population of grubs before showing signs of damage. Grub worm problems tend to develop in lawns that consist of a single grass species or lawns that are over-fertilized and over-irrigated (more on this in a bit). But, when infestations of 15 or more grub worms per square foot of lawn are present, your lawn may develop brown patches that peel back easily like a carpet. When you lift the grass up, you’ll spy the C-shaped grubs in the upper layer of soil beneath it.

Grub worm damage is most evident in spring and fall when the grubs are actively feeding in the upper layer of soil.

Let Lawn Rescue take care of those pest before they take care of your lawn.  Utilize our yearly Grub Worm / Chinch Bug Preventative which is best to start June 1st best used with Round 4 Lawn Care Program. One application will take care of the Grub Worms ? Chinch Bugs for 4 months.