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Grubs, chinch bugs and cutworms can all wreak havoc on your lawn. Even the most well-maintained lawns can be vulnerable to insect infestation.

METRO CREATIVE SERVICES - Grubs, chinch bugs and cutworms can all wreak havoc on your lawnA well-maintained lawn is a byproduct of hard work. That hard work is a point of pride for homeowners who spend countless hours tending to their lawns throughout spring, summer and fall.

All that hard work can be compromised when uninvited guests — namely insects — show up in a lawn. Insect infestations can turn an ordinarily pristine and lush green lawn into a brown and sickly eyesore. Identifying which type of insect is damaging a lawn is the first step toward returning that lawn to its green glory.

These are three common lawn insects and signs that they're infesting a lawn:

1. Grubs

Grubs like to feast on the roots of grass right below the surface. Michigan State University Extention Turf & Landscape reports that grub damage can appear from March to early May or mid-September to early November.

Lawn and garden experts at Garden-Tech® note that wilted grass blades are often the first indicator of a grub infestation, followed by patches of brown turf and eventually death. In addition, crows, skunks and moles eat grubs, so the sight of them on a lawn could indicate an infestation.

2. Chinch bugs

The experts at www.bobvila.com report that chinch bugs are not necessarily problematic when their populations are limited to around 10 to 15 bugs per square foot of lawn. In such instances, ants and ladybugs generally control chinch bug populations. However, extreme heat and drought, problems that have plagued various regions in North America in recent years, reduce the populations of bugs that feed on chinch bugs, thus increasing the population of these unwanted guests that feed on grass.

Damage from chinch bugs is most visible between June and September. That damage begins with grass taking on a purple tinge before it turns yellow and then brown after wilting.

3. Cutworms

The lawn care experts at Scotts® note that cutworms are moth larvae that hide in the thatch layer of a lawn during the day before emerging at night to feed on grass blades. Patches of brown grass between one and two inches in width signify cutworm infestation. Homeowners who notice a growing number of birds pecking away on their lawns may have a cutworm infestation, which can be confirmed by peeling up a section of damaged grass and looking for cutworms, which are brown, gray or black and tend to be around two inches long.

The good news is that grub, chinch bug and cutworm populations can be controlled. Local turf specialists can recommend strategies to curtail such populations and help homeowners restore their lawns to full health.

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